> Microsoft is trying (over and
> over) to send me emails, and they get past connect/disconnect. This has
> been going on for a few days now, at a rate of once every 5 seconds.
I also experience this. In the past, I've filed a support request with
Microsoft asking for an explanation, but
Statistics and debugging options are more limited on the sender to Microsoft
side, but if you have an amenable recipient or an amenable admin on the
recipient's side, requesting them to initiate a message trace should yield
specifics on message deliverability.
On Mar 26, 2024, at 09:14, Chris Adams via mailop wrote:
I recently started getting debt collection emails [...] And there's no
"unsubscribe" or "this is not me"...
Good news is there's a draft RFC presented at IETF 119 to tackle this:
Would you consider your own /64 or /48 from RIPE?
It's one way of being in control of your own reputation.
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Alex
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From a spam point of view, signing up for a domain is a barrier of entry
which some may consider too much trouble.
This may play into why there's a larger distribution of unwanted mail on
the freely-provided `*.onmicrosoft.com` subdomains.
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Alex
Are you running exim?
I have the following in my config, which seems to help the issue:
# disable TCP fast open for gsmtp servers, due to a kernel bug; the bug was
supposedly
# fixed in 5.18, but it seems there's still some quirkiness with gmail
without this
# setting
#
#
On 2023-03-04 22:58:23 +, MRob via mailop wrote:
Thanks you Atro, is there popular tool for to do that in real time?
There's also https://bgp.tools/, made by a friend and former colleague.
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On Jan 5, 2023, at 14:54, Serizy via mailop wrote:
but what worries me is that, the PTR resolves to the fake hostname, but the
host name doesn’t resolve to the ip, logically…and the messages go to the user
mailbox in Outlook.com
This should not be an issue if the MTA performs both forward
Block it at the receiving end.
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Hello,
I've been seeing a few mail connection attempts from Apple's IP space,
which I've been rejecting due to mismatched A / and PTR records
(see sample log at the end, times UTC).
Is there anyone at Apple who can contact me off list?
Thanks,
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Alex
Oct 10 11:39:35
On 2022-08-22 16:07:33 +0200, Slavko via mailop wrote:
Please, can you elaborate more from where the cipher suites mismatch
was coming? I mean if it was (your) server or the remote side, which
provided/requested them.
My mail server as the server, and my bank's mail server as the client,
for
On 2022-08-21 19:46:31 +, Slavko via mailop wrote:
Is that typo? AFAIK both these cipher suites are usable only
with RSA certificate, they difers only by ephemeral key exchange
algo...
Sorry, you're right that it's a typo. I just re-tested and want to
clarify that:
On 2022-08-21 12:35:18 +0200, Slavko via mailop wrote:
if there are known some issues with ECcerts.
Yes, there are. I ran the exact setup you described, and I had to debug
a whole slew of cipher suite mismatches, bringing out tcpdump and
Wireshark.
The gist of my debug came down to: the
Shameless plug: this discussion has gotten me to open-source my Office
365 OAuth script, which should be plug-and-play compatible with mail
systems that can run python3 scripts and receive XOAUTH2 JWTs via stdin.
If you'd like to give it a try, visit
On Apr 24, 2022, at 23:09, John R Levine via mailop wrote:
Anyone else seeing this?
I’ve received a similar spam email supposedly from Metamask almost a month ago,
from an O365 tenant to my O365 tenant: https://pastebin.com/Tb3S8BuD
There are slight differences in the email I received:
*
Reaching out off-list.
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Alexander Huynh
R, Cloudflare
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On 2022-04-20 12:51:47 +0200, Cyril - ImprovMX wrote:
> What happened here ?
Anecdotally, I recently switched MX servers and found that my emails
from Google were also delayed for about 8 hours. The next day when I
received my MTA-STS reports, I found 53 failures as reported by Google,
since my
> On Apr 10, 2022, at 10:40, Byron Lunz via mailop wrote:
>
> I don't recall seeing any discussion in this thread about how to migrate old
> email messages from a Google Workspace account to a different host. Anyone
> have advice or suggestions on how to do that?
You could use
On 2022-01-29 09:15:02 +, Matthew Richardson via mailop wrote:
> As a thought (probably wrong) could this be caused by your O365 users
> forwarding INCOMING email to them FROM outlook.com and/or mail.alokind.com
> to external addresses?
Since all mail flows through Exchange 365, O365 would
Hello all,
This info may be better reserved for a Microsoft support ticket, but I figure
there are
a few people here who could help short circuit the process, or offer insight
into my
issue.
My mail service currently uses Exchange 365 as the data store, with an exim
outbound
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