Re: [mailop] Invalid address ratio?

On Fri, 2 Feb 2018 20:29:29 + Michael Wise via mailop wrote: > Anything more than 5% bad recipients in mail sent by a given IP > address will land you in hot water with ... certain ISPs.  Good idea. Maybe I should collect them. But as John wrote, they're probably already on the black lists.

Re: [mailop] Invalid address ratio?

> Yes, inbound. I'm wondering why there are so many mails to not-existing > recipients. ... > Anything more than 5% bad recipients in mail sent by a given IP address will > land you in hot water with ... certain ISPs.  Here's the explanation I give when I have to explain why high hard bounce

Re: [mailop] Trulia / Zillow contact

@Jaren, what action do you expect an ESP to take when their domain is being abused? -- Benjamin From: mailop [mailto:mailop-boun...@mailop.org] On Behalf Of Will Boyd via mailop Sent: Saturday, 3 February, 2018 05:33 To: Jaren Angerbauer Cc: mailop

Re: [mailop] Lots of spam from gmail ?

For, “smaller players” the best way is to submit the traffic thru SpamCop. We get a feed from them, and it’s one more drop in the bucket … but the buckets are looked at by a human. Aloha, Michael. -- Michael J Wise Microsoft Corporation| Spam Analysis "Your Spam Specimen Has Been Processed."

Re: [mailop] Lots of spam from gmail ?

On Fri, Feb 02, 2018 at 05:20:14PM -0500, John Levine wrote: > In the past few days I've seen a lot of spam from gmail, sleazy SEO > and the like. Has someone cracked their signup system? About 20% of the UCE and spam that reaches my customers' INBOXES is from outlook.com or gmail.com.

Re: [mailop] Lots of spam from gmail ?

On 18-02-02 02:20 PM, John Levine wrote: In the past few days I've seen a lot of spam from gmail, sleazy SEO and the like. Has someone cracked their signup system? Our filtering team always seems to be chasing those SEO ones down.. Been a problem for months now.. Our personal belief is that

Re: [mailop] Lots of spam from gmail ?

I've been getting that for quite some time too. At least three months. It seems to have ramped up in the last three weeks. Brett On Fri, Feb 2, 2018 at 5:30 PM, Aaron C. de Bruyn via mailop < mailop@mailop.org> wrote: > It's been about a month for me, but my GSuite account has been > hammered

Re: [mailop] Lots of spam from gmail ?

> On Feb 2, 2018, at 2:30 PM, Aaron C. de Bruyn via mailop > wrote: > > It's been about a month for me, but my GSuite account has been hammered from > other GSuite or Gmail accounts and it's all a mix of SEO spam and "Hire us > for your business website" junk. Most of it

Re: [mailop] Lots of spam from gmail ?

It's been about a month for me, but my GSuite account has been hammered from other GSuite or Gmail accounts and it's all a mix of SEO spam and "Hire us for your business website" junk. Most of it gets filtered, but a few per day get into my inbox. -A On Fri, Feb 2, 2018 at 2:22 PM John Levine

Re: [mailop] Invalid address ratio?

In article <20180202172637.30063632@cd>, Chris wrote: >I'm a bit surprised, that on a small mail server, 77 % of the rejected >mails are rejected because of invalid recipient adresses. 22 % because >of DNSBL. > >Is this ratio normal? As others have said, in the world of

Re: [mailop] Heads Up

Ken O'Driscoll via mailop wrote: On Sat, 2018-01-20 at 11:14 +1100, Michelle Sullivan wrote: One can only conclude, they either have a leak in their API, or they altered the permissions to give out emails when specifically denied, or they got hacked and didn't disclose it. They had bug for

[mailop] Lots of spam from gmail ?

In the past few days I've seen a lot of spam from gmail, sleazy SEO and the like. Has someone cracked their signup system? ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] Heads Up

Charles McKean wrote: On Sat, Jan 20, 2018 at 9:41 AM, Ken O'Driscoll via mailop wrote: On Sat, 2018-01-20 at 11:14 +1100, Michelle Sullivan wrote: One can only conclude, they either have a leak in their API, or they altered the permissions to give out emails when

Re: [mailop] Trulia / Zillow contact

I just came to the same conclusion as Steve. I don't work with that mailstream or domain, but I do work a bit with some folks at Zillow. I'm responding offline to Jaren. Will On Fri, Feb 2, 2018 at 2:26 PM, Steve Atkins wrote: > > > On Feb 2, 2018, at 12:22 PM, Jaren

Re: [mailop] Trulia / Zillow contact

> On Feb 2, 2018, at 12:22 PM, Jaren Angerbauer > wrote: > > Hi, > > Looking for a contact Zillow, or even possibly their ESP. That'd be mailgun, for this domain anyway, for anyone following along at home. > We are seeing one of their domains

Re: [mailop] Invalid address ratio?

Speaking of which.. (can you tell it is Friday, everyone has time to be helpful)... Our Spam Auditors noticed a fairly new 'email verification' network, at least the IP range.. majority of the 31.129.32.0 - 31.129.63.255 network used, and triggering various rate limiters.. Coming out of the

Re: [mailop] Invalid address ratio?

Anything more than 5% bad recipients in mail sent by a given IP address will land you in hot water with ... certain ISPs.  Aloha, Michael. -- Michael J Wise Microsoft Corporation| Spam Analysis "Your Spam Specimen Has Been Processed." Got the Junk Mail Reporting

[mailop] Trulia / Zillow contact

Hi, Looking for a contact Zillow, or even possibly their ESP. We are seeing one of their domains (email.zillow-mail.com) being abused by affiliate spammers. Thanks, --Jaren ___ mailop mailing list mailop@mailop.org

Re: [mailop] Invalid address ratio?

On Fri, 2 Feb 2018 08:50:01 -0800 Michael Peddemors wrote: > Invalid users should be less than 10% typically, if good bot net > protection in place before the RCPT TO stage.. Recipient verification is one of the first tests. Maybe I should enable postscreen. Is this sufficient for bots? > And

Re: [mailop] Invalid address ratio?

On Fri, 02 Feb 2018 16:52:16 + Ken O'Driscoll via mailop wrote: > On Fri, 2018-02-02 at 17:26 +0100, Chris wrote: > > I'm a bit surprised, that on a small mail server, 77 % of the > > rejected mails are rejected because of invalid recipient adresses. > > 22 % because of DNSBL. > > > > Is

Re: [mailop] Invalid address ratio?

> I'm a bit surprised, that on a small mail server, 77 % of the rejected > mails are rejected because of invalid recipient adresses. 22 % because > of DNSBL. > Is this ratio normal? There abouts, email is free, for a certain class, so adding a lot of names to the left of the @ is very old school

Re: [mailop] Invalid address ratio?

On Fri, 2018-02-02 at 17:26 +0100, Chris wrote: > I'm a bit surprised, that on a small mail server, 77 % of the rejected > mails are rejected because of invalid recipient adresses. 22 % because > of DNSBL. > > Is this ratio normal? Assuming you're talking about inbound emails and wondering why

Re: [mailop] Invalid address ratio?

That is REALLY hard to gauge.. While lots of rejected email addresses is expected behavior.. * Spammers using old lists * Dictionary Attacks * Email Address verification Systems It REALLY depends how your system is configured, what RBL's you are using, what is the email platform, do you

[mailop] Invalid address ratio?

All, I'm a bit surprised, that on a small mail server, 77 % of the rejected mails are rejected because of invalid recipient adresses. 22 % because of DNSBL. Is this ratio normal? Thank you in advance. - Chris ___ mailop mailing list