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:
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
> 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
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 postfix/smt
Greetings,
We're in process of upgrading our Postfix / Dovecot installation, and
would like to know if there are any qualified consultants out there that
would be willing to work for us to help us verify and improve the
deployment for our non-profit organization? This would be a fairly
simpl
Victor, thank you for your two helpful replies.
I do intend to read through the approaches you suggested, and most
likely implement them. My high-priority was to get the mail flowing
again, which your first helpful reply let me do. Indeed, I postponed
replying because I wanted to read the items yo
