Re: [AusNOG] Outlook 365 Email Issues

[Rhys Hanrahan]

Hi Shane,

We started getting queue alerts this afternoon – lots of various domains all on 
365, one or two emails in the queue each. All getting “500 Server Busy” from 
365. So seems like there’s definitely something going on.

Thanks.

Rhys Hanrahan | General Manager / CTO
m: 0414 83 83 43 | e: r...@nexusone.com.au<mailto:r...@nexusone.com.au>
“Ask us about how our Channel Partnership and Referral Program can earn you 
passive income”

[www.nexusone.com.au]<http://www.nexusone.com.au/>   [signature_1237010360] 
<http://www.fusiontech.com.au/>

NEXUS ONE | FUSION TECHNOLOGY SOLUTIONS
p: 1800 NEXUS1 (1800 639 871) or 1800 565 845 | a: Suite 12.03 Level 12, 227 
Elizabeth Street, Sydney NSW 2000
www.nexusone.com.au<http://www.nexusone.com.au/> | 
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The information in this email and any accompanying attachments may contain; a. 
Confidential information of Fusion Technology Solutions Pty Ltd, Nexus One Pty 
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Please consider the environment before printing this email.

From: AusNOG  on behalf of Shane Chrisp 

Organisation: 2000 Computers & Networks Pty Ltd
Reply to: "sh...@2000cn.com.au" 
Date: Wednesday, 11 October 2023 at 3:33 pm
To: "ausnog@lists.ausnog.net" 
Subject: Re: [AusNOG] Outlook 365 Email Issues

On 11/10/23 12:28, Max Parsons wrote:

Thanks for the reply Max. Its always good to know that its not just you. 
Hopefully they get it resolved soon.

--

Regards



Shane Chrisp

2000 Computers & Networks Pty Ltd

U8, 19 Outram St, West Perth, WA 6005

Ph 08 6298 7391 Fx 08 6298 7393

Mb 0412 409 856

Email sh...@2000cn.com.au<mailto:sh...@2000cn.com.au>

Web http://www.2000cn.com.au


We are also seeing this. Support let us know there were some issues with emails 
from the Barracuda cloud, but we are on-prem.

451 4.7.500 Server busy. Please try again later from [103.21.17.178]. (S77714) 
[ME3AUS01FT022.eop-AUS01.prod.protection.outlook.com<http://ME3AUS01FT022.eop-AUS01.prod.protection.outlook.com>
 2023-10-11T04:06:47.950Z

The queue is over 4000 emails at the moment.

- Max

On Wed, 11 Oct 2023 at 15:24, Shane Chrisp 
mailto:sh...@2000cn.com.au>> wrote:

Hi All,

Just wondering if others are seeing issues with email for delivery to Outlook 
365 queuing up with "4.7.500 Server busy. Please try again later" messages?


Our mail queue has been getting progressively larger since about 10am WAST 
today and of course the MS outage site shows no issues, though some of the down 
detector sites how others seem to be having issues.


--

Regards



Shane Chrisp

2000 Computers & Networks Pty Ltd

U8, 19 Outram St, West Perth, WA 6005

Ph 08 6298 7391 Fx 08 6298 7393

Mb 0412 409 856

Email sh...@2000cn.com.au<mailto:sh...@2000cn.com.au>

Web http://www.2000cn.com.au
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Re: [AusNOG] Outlook 365 Email Issues

[Scott Wilson]

realistically they should be calling it Office 340-ish.

On Wed, 11 Oct 2023 at 21:06, Shane Chrisp  wrote:

> Just for those who may be wondering what the issue is. This is from
> Microsoft.
>
>
> 11 October 2023 at 12:22 pm AWST
>
> Title: Users are unable to receive external email messages within Exchange
> Online User impact: Users are unable to receive external email messages
> within Exchange Online. Current status: We're investigating a potential
> issue and checking for impact to your organization. We'll provide an update
> within 30 minutes.
>
> 11 October 2023 at 12:52 pm AWST
>
> Title: Users are unable to receive external email messages within Exchange
> Online User impact: Users are unable to receive external email messages
> within Exchange Online. Current status: We're currently reviewing simple
> messages to refine our understanding of this specific impact scenario and
> establish our troubleshooting steps. Scope of impact: Your organization is
> impacted by this event, as well as users who are attempting to receive
> external email messages within Exchange Online. Next update by: Wednesday,
> October 11, 2023 at 2:30 PM GMT+8
>
> 11 October 2023 at 2:33 pm AWST
>
> Title: Users are unable to receive external email messages within Exchange
> Online User impact: Users are unable to receive external email messages
> within Exchange Online. More info: Some users email messages may send;
> however, users may experience delays up to one hour. Current status: Our
> review of simple messages has lead us to a potential root cause where a
> portion of SQL infrastructure may be receiving an unusually large number of
> requests that may be hindering Exchange Online's performance. We're working
> to confirm our findings to cultivate further troubleshooting steps. Scope
> of impact: Your organization is impacted by this event, as well as users
> who are attempting to receive external email messages within Exchange
> Online. Next update by: Wednesday, October 11, 2023 at 4:30 PM GMT+8
>
> 11 October 2023 at 4:59 pm AWST
>
> Title: Some users may encounter delays receiving external email messages
> in Exchange Online User impact: Users may encounter delays receiving
> external email messages in Exchange Online. More info: Affected users may
> see a "451 4.7.500 Server busy" error message. Current status: We’re
> analyzing sample throttling IPs from simple messages to confirm whether the
> issue with the portion of SQL infrastructure is causing impact, before we
> begin formulating a remediation plan. Scope of impact: Impact is specific
> to some users who are served through the affected infrastructure. Next
> update by: Wednesday, October 11, 2023 at 7:00 PM GMT+8
>
> 11 October 2023 at 6:26 pm AWST
>
> Title: Some users may encounter delays receiving external email messages
> in Exchange Online User impact: Users may encounter delays receiving
> external email messages in Exchange Online. More info: Affected users may
> see a "451 4.7.500 Server busy" error message. Current status: We’ve
> identified that specific IP addresses are being unexpectedly limited by our
> anti-spam procedures, causing inbound external email delivery to become
> throttled and delayed. We're reviewing if there have been any recent
> changes to our anti-spam rules to understand why the IP addresses are being
> limited. In the meantime, we're manually adding reported affected IP
> addresses to an allowed list to provide immediate relief. Scope of impact:
> Impact is specific to some users who are served through the affected
> infrastructure. Next update by: Wednesday, October 11, 2023 at 8:30 PM GMT+8
>
> Regards
>
> Shane
>
>
> On 11/10/23 12:28, Max Parsons wrote:
>
> Thanks for the reply Max. Its always good to know that its not just you.
> Hopefully they get it resolved soon.
>
> --
> Regards
>
> Shane Chrisp
> 2000 Computers & Networks Pty Ltd
> U8, 19 Outram St, West Perth, WA 6005
> Ph 08 6298 7391 Fx 08 6298 7393
> Mb 0412 409 856
> Email sh...@2000cn.com.au
> Web http://www.2000cn.com.au
>
>
>
> We are also seeing this. Support let us know there were some issues with
> emails from the Barracuda cloud, but we are on-prem.
>
> 451 4.7.500 Server busy. Please try again later from [103.21.17.178].
> (S77714) [ME3AUS01FT022.eop-AUS01.prod.protection.outlook.com
> 2023-10-11T04:06:47.950Z
>
> The queue is over 4000 emails at the moment.
>
> - Max
>
> On Wed, 11 Oct 2023 at 15:24, Shane Chrisp  wrote:
>
>> Hi All,
>>
>> Just wondering if others are seeing issues with email for delivery to
>> Outlook 365 queuing up with "4.7.500 Server busy. Please try again
>> later" messages?
>>
>> Our mail queue has been getting progressively larger since about 10am
>> WAST today and of course the MS outage site shows no issues, though some of
>> the down detector sites how others seem to be having issues.
>>
>> --
>> Regards
>>
>> Shane Chrisp
>> 2000 Computers & Networks Pty Ltd
>> U8, 19 Outram St, West Perth, WA 6005
>> Ph 08 6298 7391 Fx 

Re: [AusNOG] Outlook 365 Email Issues

[Shane Chrisp]

Just for those who may be wondering what the issue is. This is from 
Microsoft.



11 October 2023 at 12:22 pm AWST

Title: Users are unable to receive external email messages within 
Exchange Online User impact: Users are unable to receive external email 
messages within Exchange Online. Current status: We're investigating a 
potential issue and checking for impact to your organization. We'll 
provide an update within 30 minutes.


11 October 2023 at 12:52 pm AWST

Title: Users are unable to receive external email messages within 
Exchange Online User impact: Users are unable to receive external email 
messages within Exchange Online. Current status: We're currently 
reviewing simple messages to refine our understanding of this specific 
impact scenario and establish our troubleshooting steps. Scope of 
impact: Your organization is impacted by this event, as well as users 
who are attempting to receive external email messages within Exchange 
Online. Next update by: Wednesday, October 11, 2023 at 2:30 PM GMT+8


11 October 2023 at 2:33 pm AWST

Title: Users are unable to receive external email messages within 
Exchange Online User impact: Users are unable to receive external email 
messages within Exchange Online. More info: Some users email messages 
may send; however, users may experience delays up to one hour. Current 
status: Our review of simple messages has lead us to a potential root 
cause where a portion of SQL infrastructure may be receiving an 
unusually large number of requests that may be hindering Exchange 
Online's performance. We're working to confirm our findings to cultivate 
further troubleshooting steps. Scope of impact: Your organization is 
impacted by this event, as well as users who are attempting to receive 
external email messages within Exchange Online. Next update by: 
Wednesday, October 11, 2023 at 4:30 PM GMT+8


11 October 2023 at 4:59 pm AWST

Title: Some users may encounter delays receiving external email messages 
in Exchange Online User impact: Users may encounter delays receiving 
external email messages in Exchange Online. More info: Affected users 
may see a "451 4.7.500 Server busy" error message. Current status: We’re 
analyzing sample throttling IPs from simple messages to confirm whether 
the issue with the portion of SQL infrastructure is causing impact, 
before we begin formulating a remediation plan. Scope of impact: Impact 
is specific to some users who are served through the affected 
infrastructure. Next update by: Wednesday, October 11, 2023 at 7:00 PM GMT+8


11 October 2023 at 6:26 pm AWST

Title: Some users may encounter delays receiving external email messages 
in Exchange Online User impact: Users may encounter delays receiving 
external email messages in Exchange Online. More info: Affected users 
may see a "451 4.7.500 Server busy" error message. Current status: We’ve 
identified that specific IP addresses are being unexpectedly limited by 
our anti-spam procedures, causing inbound external email delivery to 
become throttled and delayed. We're reviewing if there have been any 
recent changes to our anti-spam rules to understand why the IP addresses 
are being limited. In the meantime, we're manually adding reported 
affected IP addresses to an allowed list to provide immediate relief. 
Scope of impact: Impact is specific to some users who are served through 
the affected infrastructure. Next update by: Wednesday, October 11, 2023 
at 8:30 PM GMT+8


Regards

Shane



On 11/10/23 12:28, Max Parsons wrote:

Thanks for the reply Max. Its always good to know that its not just 
you. Hopefully they get it resolved soon.

--
Regards

Shane Chrisp
2000 Computers & Networks Pty Ltd
U8, 19 Outram St, West Perth, WA 6005
Ph 08 6298 7391 Fx 08 6298 7393
Mb 0412 409 856
emailsh...@2000cn.com.au
Webhttp://www.2000cn.com.au


We are also seeing this. Support let us know there were some issues 
with emails from the Barracuda cloud, but we are on-prem.


451 4.7.500 Server busy. Please try again later from [103.21.17.178]. 
(S77714) [ME3AUS01FT022.eop-AUS01.prod.protection.outlook.com 
 
2023-10-11T04:06:47.950Z


The queue is over 4000 emails at the moment.

- Max

On Wed, 11 Oct 2023 at 15:24, Shane Chrisp  wrote:

Hi All,

Just wondering if others are seeing issues with email for
delivery to Outlook 365 queuing up with "4.7.500 Server busy.
Please try again later" messages?

Our mail queue has been getting progressively larger since about
10am WAST today and of course the MS outage site shows no issues,
though some of the down detector sites how others seem to be
having issues.

-- 
Regards


Shane Chrisp
2000 Computers & Networks Pty Ltd
U8, 19 Outram St, West Perth, WA 6005
Ph 08 6298 7391 Fx 08 6298 7393
Mb 0412 409 856
emailsh...@2000cn.com.au
Webhttp://www.2000cn.com.au

___

Re: [AusNOG] Outlook 365 Email Issues

[Andrew Robinson]

Seeing the same over here. Getting SMTP error from remote mail server after end 
of data: 451 4.7.500 Server busy. Please try again later.



From: AusNOG  on behalf of Nathan Brookfield 

Date: Wednesday, 11 October 2023 at 5:45 pm
To: sh...@2000cn.com.au , ausnog@lists.ausnog.net 

Subject: Re: [AusNOG] Outlook 365 Email Issues
[This email originated from outside the organisation]

Not seeing any issues over any of the tenancies we manage, have had good e-mail 
flow all day.

Nathan Brookfield | VK2NAB
General Manager

p: 1300 592 330 | m: 0412 266 008
e: nathan.brookfi...@iperium.com.au<mailto:nathan.brookfi...@iperium.com.au> | 
w: iperium.com.au

Suite 4.02, 189 Kent Street Sydney NSW 2000
[cid:image001.png@01D9FC64.5695FE60]
Your Telco Team
DISCLAIMER: This document is intended solely for the named addressee. This 
electronic communication, which includes any files or attachments thereto, 
contains proprietary or confidential information and may be privileged and 
otherwise protected under copyright or other applicable intellectual property 
laws. The use, disclosure, copying or distribution of any of the information 
contained in this document, by any person other than the addressee, is strictly 
prohibited. If you received this document in error, please contact the sender 
immediately and delete all the material from any computer. Confidentiality and 
legal privilege are not waived or lost by reason of mistaken delivery to you. 
Any views or opinions presented are solely those of the author and do not 
necessarily represent those of Iperium.

WARNING: Computer viruses can be transmitted via email. The recipient should 
check this email and any attachments for the presence of viruses. Iperium 
accepts no liability for any damage caused by any virus transmitted by this 
email.

From: AusNOG  On Behalf Of Shane Chrisp
Sent: Wednesday, October 11, 2023 3:24 PM
To: ausnog@lists.ausnog.net
Subject: [AusNOG] Outlook 365 Email Issues


Hi All,

Just wondering if others are seeing issues with email for delivery to Outlook 
365 queuing up with "4.7.500 Server busy. Please try again later" messages?



Our mail queue has been getting progressively larger since about 10am WAST 
today and of course the MS outage site shows no issues, though some of the down 
detector sites how others seem to be having issues.



--

Regards



Shane Chrisp

2000 Computers & Networks Pty Ltd

U8, 19 Outram St, West Perth, WA 6005

Ph 08 6298 7391 Fx 08 6298 7393

Mb 0412 409 856

Email sh...@2000cn.com.au<mailto:sh...@2000cn.com.au>

Web http://www.2000cn.com.au
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Re: [AusNOG] Outlook 365 Email Issues

[Two Fat Monkeys - Dirk Bermingham]

No queues here, however since mid afternoon messages sent across our MS peering 
in Sydney are now going to Melbourne 
[Hostname=ME0P282MB4650.AUSP282.PROD.OUTLOOK.COM] 113024 bytes in 0.064, 
1716.085 KB/sec Queued mail for delivery)

From: AusNOG  On Behalf Of Darren Moss
Sent: Wednesday, October 11, 2023 5:06 PM
To: Nathan Brookfield ; sh...@2000cn.com.au; 
ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Outlook 365 Email Issues

We relay mail for customer applications and have pretty large outbound queues 
in both Sydney and Melbourne.

Started around 13:15 and return code is:
451 4.7.500 Server busy. Please try again later from (S77719) 
[SY4AUS01FT017.eop-AUS01.prod.protection.outlook.com


D.

From: AusNOG 
mailto:ausnog-boun...@lists.ausnog.net>> On 
Behalf Of Nathan Brookfield
Sent: Wednesday, 11 October 2023 5:00 PM
To: sh...@2000cn.com.au<mailto:sh...@2000cn.com.au>; 
ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>
Subject: Re: [AusNOG] Outlook 365 Email Issues

Not seeing any issues over any of the tenancies we manage, have had good e-mail 
flow all day.

Nathan Brookfield | VK2NAB
General Manager

p: 1300 592 330 | m: 0412 266 008
e: nathan.brookfi...@iperium.com.au<mailto:nathan.brookfi...@iperium.com.au> | 
w: iperium.com.au

Suite 4.02, 189 Kent Street Sydney NSW 2000
[cid:image001.png@01D9FC67.5FDADBF0]
Your Telco Team
DISCLAIMER: This document is intended solely for the named addressee. This 
electronic communication, which includes any files or attachments thereto, 
contains proprietary or confidential information and may be privileged and 
otherwise protected under copyright or other applicable intellectual property 
laws. The use, disclosure, copying or distribution of any of the information 
contained in this document, by any person other than the addressee, is strictly 
prohibited. If you received this document in error, please contact the sender 
immediately and delete all the material from any computer. Confidentiality and 
legal privilege are not waived or lost by reason of mistaken delivery to you. 
Any views or opinions presented are solely those of the author and do not 
necessarily represent those of Iperium.

WARNING: Computer viruses can be transmitted via email. The recipient should 
check this email and any attachments for the presence of viruses. Iperium 
accepts no liability for any damage caused by any virus transmitted by this 
email.

From: AusNOG 
mailto:ausnog-boun...@lists.ausnog.net>> On 
Behalf Of Shane Chrisp
Sent: Wednesday, October 11, 2023 3:24 PM
To: ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>
Subject: [AusNOG] Outlook 365 Email Issues


Hi All,

Just wondering if others are seeing issues with email for delivery to Outlook 
365 queuing up with "4.7.500 Server busy. Please try again later" messages?

Our mail queue has been getting progressively larger since about 10am WAST 
today and of course the MS outage site shows no issues, though some of the down 
detector sites how others seem to be having issues.

--

Regards



Shane Chrisp

2000 Computers & Networks Pty Ltd

U8, 19 Outram St, West Perth, WA 6005

Ph 08 6298 7391 Fx 08 6298 7393

Mb 0412 409 856

Email sh...@2000cn.com.au<mailto:sh...@2000cn.com.au>

Web http://www.2000cn.com.au
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Re: [AusNOG] Outlook 365 Email Issues

[Steve Dimitrio]

Yep same here, started this morning

From: AusNOG  On Behalf Of Darren Moss
Sent: Wednesday, October 11, 2023 5:06 PM
To: Nathan Brookfield ; sh...@2000cn.com.au; 
ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Outlook 365 Email Issues

We relay mail for customer applications and have pretty large outbound queues 
in both Sydney and Melbourne.

Started around 13:15 and return code is:
451 4.7.500 Server busy. Please try again later from (S77719) 
[SY4AUS01FT017.eop-AUS01.prod.protection.outlook.com


D.

From: AusNOG 
mailto:ausnog-boun...@lists.ausnog.net>> On 
Behalf Of Nathan Brookfield
Sent: Wednesday, 11 October 2023 5:00 PM
To: sh...@2000cn.com.au<mailto:sh...@2000cn.com.au>; 
ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>
Subject: Re: [AusNOG] Outlook 365 Email Issues

Not seeing any issues over any of the tenancies we manage, have had good e-mail 
flow all day.

Nathan Brookfield | VK2NAB
General Manager

p: 1300 592 330 | m: 0412 266 008
e: nathan.brookfi...@iperium.com.au<mailto:nathan.brookfi...@iperium.com.au> | 
w: iperium.com.au

Suite 4.02, 189 Kent Street Sydney NSW 2000
[cid:image001.png@01D9FC66.43C9E970]
Your Telco Team
DISCLAIMER: This document is intended solely for the named addressee. This 
electronic communication, which includes any files or attachments thereto, 
contains proprietary or confidential information and may be privileged and 
otherwise protected under copyright or other applicable intellectual property 
laws. The use, disclosure, copying or distribution of any of the information 
contained in this document, by any person other than the addressee, is strictly 
prohibited. If you received this document in error, please contact the sender 
immediately and delete all the material from any computer. Confidentiality and 
legal privilege are not waived or lost by reason of mistaken delivery to you. 
Any views or opinions presented are solely those of the author and do not 
necessarily represent those of Iperium.

WARNING: Computer viruses can be transmitted via email. The recipient should 
check this email and any attachments for the presence of viruses. Iperium 
accepts no liability for any damage caused by any virus transmitted by this 
email.

From: AusNOG 
mailto:ausnog-boun...@lists.ausnog.net>> On 
Behalf Of Shane Chrisp
Sent: Wednesday, October 11, 2023 3:24 PM
To: ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>
Subject: [AusNOG] Outlook 365 Email Issues


Hi All,

Just wondering if others are seeing issues with email for delivery to Outlook 
365 queuing up with "4.7.500 Server busy. Please try again later" messages?

Our mail queue has been getting progressively larger since about 10am WAST 
today and of course the MS outage site shows no issues, though some of the down 
detector sites how others seem to be having issues.

--

Regards



Shane Chrisp

2000 Computers & Networks Pty Ltd

U8, 19 Outram St, West Perth, WA 6005

Ph 08 6298 7391 Fx 08 6298 7393

Mb 0412 409 856

Email sh...@2000cn.com.au<mailto:sh...@2000cn.com.au>

Web http://www.2000cn.com.au
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Re: [AusNOG] Outlook 365 Email Issues

[Darren Moss]

We relay mail for customer applications and have pretty large outbound queues 
in both Sydney and Melbourne.

Started around 13:15 and return code is:
451 4.7.500 Server busy. Please try again later from (S77719) 
[SY4AUS01FT017.eop-AUS01.prod.protection.outlook.com


D.

From: AusNOG  On Behalf Of Nathan Brookfield
Sent: Wednesday, 11 October 2023 5:00 PM
To: sh...@2000cn.com.au; ausnog@lists.ausnog.net
Subject: Re: [AusNOG] Outlook 365 Email Issues

Not seeing any issues over any of the tenancies we manage, have had good e-mail 
flow all day.

Nathan Brookfield | VK2NAB
General Manager

p: 1300 592 330 | m: 0412 266 008
e: nathan.brookfi...@iperium.com.au<mailto:nathan.brookfi...@iperium.com.au> | 
w: iperium.com.au

Suite 4.02, 189 Kent Street Sydney NSW 2000
[cid:image001.png@01D9FC65.192D35B0]
Your Telco Team
DISCLAIMER: This document is intended solely for the named addressee. This 
electronic communication, which includes any files or attachments thereto, 
contains proprietary or confidential information and may be privileged and 
otherwise protected under copyright or other applicable intellectual property 
laws. The use, disclosure, copying or distribution of any of the information 
contained in this document, by any person other than the addressee, is strictly 
prohibited. If you received this document in error, please contact the sender 
immediately and delete all the material from any computer. Confidentiality and 
legal privilege are not waived or lost by reason of mistaken delivery to you. 
Any views or opinions presented are solely those of the author and do not 
necessarily represent those of Iperium.

WARNING: Computer viruses can be transmitted via email. The recipient should 
check this email and any attachments for the presence of viruses. Iperium 
accepts no liability for any damage caused by any virus transmitted by this 
email.

From: AusNOG 
mailto:ausnog-boun...@lists.ausnog.net>> On 
Behalf Of Shane Chrisp
Sent: Wednesday, October 11, 2023 3:24 PM
To: ausnog@lists.ausnog.net<mailto:ausnog@lists.ausnog.net>
Subject: [AusNOG] Outlook 365 Email Issues


Hi All,

Just wondering if others are seeing issues with email for delivery to Outlook 
365 queuing up with "4.7.500 Server busy. Please try again later" messages?

Our mail queue has been getting progressively larger since about 10am WAST 
today and of course the MS outage site shows no issues, though some of the down 
detector sites how others seem to be having issues.

--

Regards



Shane Chrisp

2000 Computers & Networks Pty Ltd

U8, 19 Outram St, West Perth, WA 6005

Ph 08 6298 7391 Fx 08 6298 7393

Mb 0412 409 856

Email sh...@2000cn.com.au<mailto:sh...@2000cn.com.au>

Web http://www.2000cn.com.au
___
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Re: [AusNOG] Outlook 365 Email Issues

[Nathan Brookfield]

Not seeing any issues over any of the tenancies we manage, have had good e-mail 
flow all day.

Nathan Brookfield | VK2NAB
General Manager

p: 1300 592 330 | m: 0412 266 008
e: nathan.brookfi...@iperium.com.au<mailto:nathan.brookfi...@iperium.com.au> | 
w: iperium.com.au

Suite 4.02, 189 Kent Street Sydney NSW 2000
[cid:image001.png@01D9FC64.5695FE60]
Your Telco Team
DISCLAIMER: This document is intended solely for the named addressee. This 
electronic communication, which includes any files or attachments thereto, 
contains proprietary or confidential information and may be privileged and 
otherwise protected under copyright or other applicable intellectual property 
laws. The use, disclosure, copying or distribution of any of the information 
contained in this document, by any person other than the addressee, is strictly 
prohibited. If you received this document in error, please contact the sender 
immediately and delete all the material from any computer. Confidentiality and 
legal privilege are not waived or lost by reason of mistaken delivery to you. 
Any views or opinions presented are solely those of the author and do not 
necessarily represent those of Iperium.

WARNING: Computer viruses can be transmitted via email. The recipient should 
check this email and any attachments for the presence of viruses. Iperium 
accepts no liability for any damage caused by any virus transmitted by this 
email.

From: AusNOG  On Behalf Of Shane Chrisp
Sent: Wednesday, October 11, 2023 3:24 PM
To: ausnog@lists.ausnog.net
Subject: [AusNOG] Outlook 365 Email Issues


Hi All,

Just wondering if others are seeing issues with email for delivery to Outlook 
365 queuing up with "4.7.500 Server busy. Please try again later" messages?


Our mail queue has been getting progressively larger since about 10am WAST 
today and of course the MS outage site shows no issues, though some of the down 
detector sites how others seem to be having issues.


--

Regards



Shane Chrisp

2000 Computers & Networks Pty Ltd

U8, 19 Outram St, West Perth, WA 6005

Ph 08 6298 7391 Fx 08 6298 7393

Mb 0412 409 856

Email sh...@2000cn.com.au<mailto:sh...@2000cn.com.au>

Web http://www.2000cn.com.au
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Re: [AusNOG] Outlook 365 Email Issues

[DaZZa]

Huh.

That might explain why I haven't had any emails since about 2 pm.

And here I just thought nothing was going wrong.

D
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Re: [AusNOG] Outlook 365 Email Issues

[Shane Chrisp]

On 11/10/23 12:28, Max Parsons wrote:

Thanks for the reply Max. Its always good to know that its not just you. 
Hopefully they get it resolved soon.


--
Regards

Shane Chrisp
2000 Computers & Networks Pty Ltd
U8, 19 Outram St, West Perth, WA 6005
Ph 08 6298 7391 Fx 08 6298 7393
Mb 0412 409 856
emailsh...@2000cn.com.au
Webhttp://www.2000cn.com.au



We are also seeing this. Support let us know there were some issues 
with emails from the Barracuda cloud, but we are on-prem.


451 4.7.500 Server busy. Please try again later from [103.21.17.178]. 
(S77714) [ME3AUS01FT022.eop-AUS01.prod.protection.outlook.com 
 
2023-10-11T04:06:47.950Z


The queue is over 4000 emails at the moment.

- Max

On Wed, 11 Oct 2023 at 15:24, Shane Chrisp  wrote:

Hi All,

Just wondering if others are seeing issues with email for delivery
to Outlook 365 queuing up with "4.7.500 Server busy. Please try
again later" messages?

Our mail queue has been getting progressively larger since about
10am WAST today and of course the MS outage site shows no issues,
though some of the down detector sites how others seem to be
having issues.

-- 
Regards


Shane Chrisp
2000 Computers & Networks Pty Ltd
U8, 19 Outram St, West Perth, WA 6005
Ph 08 6298 7391 Fx 08 6298 7393
Mb 0412 409 856
emailsh...@2000cn.com.au
Webhttp://www.2000cn.com.au

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Re: [AusNOG] Outlook 365 Email Issues

[Max Parsons]

We are also seeing this. Support let us know there were some issues with
emails from the Barracuda cloud, but we are on-prem.

451 4.7.500 Server busy. Please try again later from [103.21.17.178].
(S77714) [ME3AUS01FT022.eop-AUS01.prod.protection.outlook.com
2023-10-11T04:06:47.950Z

The queue is over 4000 emails at the moment.

- Max

On Wed, 11 Oct 2023 at 15:24, Shane Chrisp  wrote:

> Hi All,
>
> Just wondering if others are seeing issues with email for delivery to
> Outlook 365 queuing up with "4.7.500 Server busy. Please try again later"
> messages?
>
> Our mail queue has been getting progressively larger since about 10am WAST
> today and of course the MS outage site shows no issues, though some of the
> down detector sites how others seem to be having issues.
>
> --
> Regards
>
> Shane Chrisp
> 2000 Computers & Networks Pty Ltd
> U8, 19 Outram St, West Perth, WA 6005
> Ph 08 6298 7391 Fx 08 6298 7393
> Mb 0412 409 856
> Email sh...@2000cn.com.au
> Web http://www.2000cn.com.au
>
> ___
> AusNOG mailing list
> AusNOG@lists.ausnog.net
> https://lists.ausnog.net/mailman/listinfo/ausnog
>
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[AusNOG] Outlook 365 Email Issues

[Shane Chrisp]

Hi All,

Just wondering if others are seeing issues with email for delivery to 
Outlook 365 queuing up with "4.7.500 Server busy. Please try again 
later" messages?


Our mail queue has been getting progressively larger since about 10am 
WAST today and of course the MS outage site shows no issues, though some 
of the down detector sites how others seem to be having issues.


--
Regards

Shane Chrisp
2000 Computers & Networks Pty Ltd
U8, 19 Outram St, West Perth, WA 6005
Ph 08 6298 7391 Fx 08 6298 7393
Mb 0412 409 856
emailsh...@2000cn.com.au
Webhttp://www.2000cn.com.au
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