I don't see that as proving me wrong.
----- Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP ----- Original Message ----- From: "postfix--- via mailop" <[email protected]> To: [email protected] Sent: Monday, July 7, 2025 10:36:14 AM Subject: Re: [mailop] Mail Monitoring Service On 2025-07-07 11:13, Mike Hammett via mailop wrote: > In the big picture, I would still call that the long tail, at least in terms > of non-marketing emails. The logs below speak for themselves. And if I do this, imagine the real pros of mailbox providers. Someone suffering of your same misconception tried to deliver to me a few hours ago. Context: A publisher on Substack wanted my email address in exchange for "free" access to an article I was mildly interested into. I was on a long train ride and looked for some entertaining to read Publisher had all the best intentions / double-opt-in / etc. The logs speak for themselves. Obviously, I did not get access. Not missing it, found another way to read other entertaining content. Jul 7 02:44:35 mx postfix/smtp/smtpd[8256]: NOQUEUE: reject: RCPT from 135.133.82.34.bc.googleusercontent.com[34.82.133.135]: 554 5.7.1 Client host 34.82.133.135 blocked using ZEN - see https://www.spamhaus.org/query/ip/34.82.133.135 for details; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<135.133.82.34.bc.googleusercontent.com> Jul 7 02:44:54 mx postfix/smtp/smtpd[8256]: NOQUEUE: reject: RCPT from m244-24.mailgun.net[159.112.244.24]: 554 5.7.1 <m244-24.mailgun.net[159.112.244.24]>: Client host rejected: 554 5.7.1 Mailgun mingles your mail with spam. Change Email Sending Provider, or ask Mailgun to clean up.; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<m244-24.mailgun.net> Jul 7 02:49:36 mx postfix/smtp/smtpd[8329]: NOQUEUE: reject: RCPT from m244-45.mailgun.net[159.112.244.45]: 554 5.7.1 <m244-45.mailgun.net[159.112.244.45]>: Client host rejected: 554 5.7.1 Mailgun mingles your mail with spam. Change Email Sending Provider, or ask Mailgun to clean up.; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<m244-45.mailgun.net> Jul 7 06:17:19 mx postfix/smtp/smtpd[10598]: NOQUEUE: reject: RCPT from mg-202-170.substack.com[161.38.202.170]: 554 5.7.1 <mg-202-170.substack.com[161.38.202.170]>: Client host rejected: 554 5.7.1 Mailgun mingles your mail with spam. Change Email Sending Provider, or ask Mailgun to clean up.; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<mg-202-170.substack.com> _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
