Thank you Victor & Simon. I hope this will help others who see this log entry as a result of "yum update" on RHEL.
Best, Greg www.RayStedman.org Blessings, Greg www.RayStedman.org On Sun, May 23, 2021 at 4:23 PM Simon Wilson <si...@simonandkate.net> wrote: > > https://bugzilla.redhat.com/show_bug.cgi?id=1688389 > > ________________________________ > > Sorry for mobile client top post. > > RH have just jumped version of postfix to 3.5.8. Whilst this is a > welcome step, they have chosen to set some postfix configuration items > to non-standard to work around "incompatibilities". There is a > Bugzilla with the info, I'll see if I can find it again. > > One of them is to set CHUNKING off by default, so unless you are > already explicitly setting smtpd_discard_ehlo_keywords in your config > the new default will be applied. > > Simon Wilson > M: 0400 121 116 > > ________________________________ > From: Viktor Dukhovni <postfix-us...@dukhovni.org> > Sent: Monday, 24 May 2021 7:51 am > To: postfix-users@postfix.org > Subject: Re: discarding EHLO keywords: CHUNKING > > > On Sun, May 23, 2021 at 02:16:24PM -0700, Greg Sims wrote: > > > >> # postconf | grep chunking > >> smtpd_discard_ehlo_keywords = chunking > >> > >> # journalctl -u postfix | grep CHUNKING > >> May 23 03:40:59 mail01.raystedman.org postfix/smtpd[401681]: > >> discarding EHLO keywords: CHUNKING > >> <<We saw 24 of these log entries in 24 hours.>> > > > > That means that you're spawning a new smtpd(8) process roughly once an > > hour, with connections otherwise handled by an existing process, which > > already logged the disabled ESMTP feature with the first connection it > > handled. > > > >> We are running the latest version of RHEL 8. I believe a number of us > >> will be seeing this entry in our logs. What are the negative side > >> effects beyond the log entries? > > > > There are no negative side-effects, but the logs record that you've > > chosen to disable a default ESMTP feature, presumably as a work-around > > for some issue. Once the issue is no longer pertinent, you can turn the > > workaround off. > > > >> Is "smtpd_discard_ehlo_keywords = chunking, silent-discard" the > >> recommended solution? > > > > Well, the recommended solution is to not disable CHUNKING, but if > > you must disable it for some reason, you get to choose whether to > > be reminded of this in your logs, or not. > > > > -- > > Viktor. > > > >
