On Fri, 2025-03-28 at 14:38 +1100, Viktor Dukhovni via Postfix-users wrote: > On Thu, Mar 27, 2025 at 10:27:06PM -0500, victoria crenshaw wrote: > > > > > Mostly timing out or refusal of connection to the postfix > > > > server. > > > > I checked the iptables and cleared the fail2ban stuff it is > > > > cleared > > > > > > Are there really no relevant warnings in your logs (other than > > > warnings about unknown hostnames from bot connections)? If > > > your server is not responsive, it is usually because there's > > > a problem that shows up in the logs. > > > > 2025-03-27T23:24:01.502064-04:00 johnreedcenter postfix/trivial- > > rewrite[671022]: warning: do not list domain johnreedcenter.net in > > BOTH > > mydestination and virtual_alias_domains > > 2025-03-27T23:24:01.502225-04:00 johnreedcenter postfix/trivial- > > rewrite[671022]: warning: do not list domain johnreedcenter.net in > > BOTH > > mydestination and virtual_alias_domains > > Well, don't do that! Is the domain a virtual alias domain (with all > addresses rewritten to other domains, ...) or is a local domain > (users have system accounts, and/or /etc/aliases(5) is used to > handle lists, ...)? See ADRESS_CLASS_README. > ok let me remove it then > > it is just johnreedcenter.net not mail.johnreedcenter.net > > If nothing is using "mail.johnreedcenter.net", perhaps delete that > name from DNS, though that is not relevant to the issue at hand. > ok done > One immediate observation is to drop the "verbose" flag from your > "smtp/inet" master.cf entry. This can significanly degrade > performance > of inbound mail handling. > > # postconf -Mf > smtp inet n - y - - smtpd -v > done! :D > Are some of your users trying to use port 25 instead of 587 or 465? > Are there any warnings from "master" about the submission services > reaching their process limit? > we are only using port 465 port 25 is blocked and 587 i dont tthink anyone uses it
thank you for helping me and my friends out! > -- > Viktor. > > _______________________________________________ > Postfix-users mailing list -- postfix-users@postfix.org > To unsubscribe send an email to postfix-users-le...@postfix.org -- founder of yellow rose group 💛️ _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org