Re: gmail reverse host issue

2020-02-17 Thread lists
Thanks. I appreciate that postfix would kick out a different error.   Original Message   From: wie...@porcupine.org Sent: February 17, 2020 6:55 AM To: postfix-users@postfix.org Reply-to: postfix-users@postfix.org Subject: Re: gmail reverse host issue > Feb 17 06:18:10 mydomain post

Re: gmail reverse host issue

2020-02-17 Thread Wietse Venema
> Feb 17 06:18:10 mydomain postfix/smtpd[2619]: NOQUEUE: reject: > RCPT from unknown[209.85.219.177]: 550 5.7.1 Client host rejected: > cannot find your reverse hostname, [209.85.219.177]; > from= to= proto=ESMTP > helo= What you see IS NOT the result of Postfix timeout while it looks up a hostnam

Re: gmail reverse host issue

2020-02-17 Thread Jaroslaw Rafa
Dnia 17.02.2020 o godz. 12:33:54 Bernardo Reino pisze: > If your DNS resolving is so unreliable, I would suggest not > rejecting e-mails merely because you can't find/verify the rDNS. Or reject with 4xx instead of 5xx. -- Regards, Jaroslaw Rafa r...@rafa.eu.org -- "In a million years, when

Re: gmail reverse host issue

2020-02-17 Thread Bernardo Reino
On Sun, 16 Feb 2020, li...@lazygranch.com wrote: Some gmail gets through, some doesn't. Is there a time limit on the DNS check? A google search finds several timers, but nothing specific to DNS. Log: Feb 17 06:18:10 mydomain postfix/smtpd[2619]: connect from unknown[209.85.219.177] Feb 17 06:

gmail reverse host issue

2020-02-16 Thread li...@lazygranch.com
Some gmail gets through, some doesn't. Is there a time limit on the DNS check? A google search finds several timers, but nothing specific to DNS. Log: Feb 17 06:18:10 mydomain postfix/smtpd[2619]: connect from unknown[209.85.219.177] Feb 17 06:18:10 mydomain postfix/smtpd[2619]: Anonymous TLS co