Re: [mailop] [EXTERNAL] Comcast contact?

2019-08-14 Thread Keith Kouzmanoff via mailop
I can't say enough positive things about the comcast postmaster team. They have provided quick response to issues and with this tiny information I was able to identify an ESP having several bad actors. When I approached the CEO, he said "I can't kick them off I already cashed the checks." Thi

Re: [mailop] how to stop this spam

2024-06-19 Thread Keith Kouzmanoff via mailop
Dealing with spam from Google Groups can indeed be frustrating, especially since some groups don’t provide a visible way to unsubscribe. Here's a strategy I've found somewhat effective in managing this issue:     Identify Spam Emails: Set up a filter to identify emails where the Return-Path co

Re: [mailop] (Mis)use of DKIM's length tag and it's impact on DMARC and BIMI

2024-08-09 Thread Keith Kouzmanoff via mailop
I'm thrilled to hear that you're interested in contributing to open source projects! I don't use this library (sad face) But you can help tons of people by being a contributing member. Log in and start contributing? The Debian teams that support OpenDKIM have a structured hierarchy and addi

Re: [mailop] Gmail & SPF=none & Adobe campaign

2021-01-14 Thread Keith Kouzmanoff via mailop
# dig TXT __spf.campaign.adobe.com +short ;; Warning: Message parser reports malformed message packet. >> RFC 7208 Section 3.3, the 255-octet maximum length of a character-string within a single TXT record. I count at least 57 ip ranges of 32,257 ip addresses, which is kind of absurd. My em

Re: [mailop] Gmail & SPF=none & Adobe campaign

2021-01-14 Thread Keith Kouzmanoff via mailop
omg i feel so dumb, of course the results are in quotes... i've shamefully been giving bad info on long spf strings and misusing dig for a very long time. maybe rspamd is working correctly and I have just an idiot owner. k On 1/14/2021 3:36 PM, John Levine wrote: In article <06a8f365-813e-

Re: [mailop] Comcast contact

2021-04-10 Thread Keith Kouzmanoff via mailop
I have always contacted either proofpoint or cloudmark and they'd usually relay message. I did a similar thing this month, sent abuse/phishing attack report via email, never heard back. Twitter seems to get more attention sometimes.I haven't seen anything from the infected computer since, knock

Re: [mailop] Bro, do you even VERP?

2021-11-07 Thread Keith Kouzmanoff via mailop
Larry, when handling a sizeable amount of emails to parked domains this is what I did too. Instead of auto responding (my first attempt failed because I did use auto-responders which caused the domains to get spamhaus rbl listings.) to every email sent . I sent the non-deliverable message afte

[mailop] SPF and useable ips

2022-03-18 Thread Keith Kouzmanoff via mailop
Hello mailops, Maybe not as important as other things going on in the world, so please forgive me and also forgive me for this inquisitive question. I have a company publishing a few SPF records [following rfc7208] for a brand.  I noticed a range of ips and I suggested using CIDR (as described

Re: [mailop] Morning Grumble about Google Groups Invites..

2023-03-01 Thread Keith Kouzmanoff via mailop
It is nasty. At least their calendar spam has slowed down. The only way I have been able to unsubscribe is using google's list-unsubscribe url in the header of the message, (not in the email body). I can not even report the group, because google requires signing into that group. even more dum

Re: [mailop] Good registrar?

2024-10-02 Thread Keith Kouzmanoff via mailop
Personally? Using ICANN's and  Generic Names Supporting Organization (GNSO) list of participating registrars in RDRS usage report, helps ensure I am working with accredited & likely more important? trusted providers who follow established protocols to keep the internet "safer" if that's even

Re: [mailop] PayPal Phishing from Paypal servers.. Now coming through o365 as well

2024-12-18 Thread Keith Kouzmanoff via mailop
I have come across another wave of phishing emails, many of which include toll-free numbers as the primary 'payload.' These numbers seem to align with these gangs preferred telephony platform, which is often RingCentral. I have been reporting these incidents to *auditc...@ringcentral.com*. I

Re: [mailop] GoDaddy / unsanctioned email policy changes

2025-04-30 Thread Keith Kouzmanoff via mailop
Hello Alex, If the account has approved api access, I might want those reissue too. kjk On 4/30/2025 6:29 PM, Alex Shakhov | SH Consulting via mailop wrote: Access was granted through delegated access - only the account owner has direct access to the original account. 2FA is enabled, password

Re: [mailop] Alphanumerical account testing ?

2025-05-27 Thread Keith Kouzmanoff via mailop
I often observe this behavior from many people for many reason. Mostly I've seen this in the email list cleaning services trying to determine whether my clients' MTA support catch-all addresses. From my own experience, maintaining a catch-all can signal to email marketers that the domain is v