[pfx] Re: smtpd rate limiting

2023-10-03 Thread Viktor Dukhovni via Postfix-users
On Tue, Oct 03, 2023 at 06:29:08PM -0400, Wietse Venema via Postfix-users wrote: > > My first wild guess is setting in_flow_delay to a higher value might > > help. Note this may be completely inappropriate for your specific > > application. > >

[pfx] Re: smtpd rate limiting

2023-10-03 Thread Wietse Venema via Postfix-users
Noel Jones via Postfix-users: > My first wild guess is setting in_flow_delay to a higher value might > help. Note this may be completely inappropriate for your specific > application. > http://www.postfix.org/postconf.5.html#in_flow_delay That, and reducinig the number of smtpd processes if

[pfx] Re: smtpd rate limiting

2023-10-03 Thread Noel Jones via Postfix-users
On 10/3/2023 2:11 PM, Kevin C via Postfix-users wrote: Hi Matthew, Hi Wietse, Our postfix servers are only MTAs who transfer mails from internal IT apps to end users over Internet. We don't receive mails from Internet. Sometimes, an abnormal activity can fill active queue unitl it's full, and

[pfx] Re: smtpd rate limiting

2023-10-03 Thread Kevin C via Postfix-users
Hi Matthew, Hi Wietse, Our postfix servers are only MTAs who transfer mails from internal IT apps to end users over Internet. We don't receive mails from Internet. Sometimes, an abnormal activity can fill active queue unitl it's full, and it slow down all mail delivery. We had some rules to

[pfx] Re: Separating logs for smtp and submission traffic

2023-10-03 Thread Markus Schönhaber via Postfix-users
03.10.23, 17:50 +0200, Dennis Schafroth via Postfix-users: Long time user of postfix and quite happy one. However I have not found a postfix feature of separating logs of smtp (port 25) and submission (port 587). My work-around is to link /usr/lib/postfix/sbin/smtpd to

[pfx] Separating logs for smtp and submission traffic

2023-10-03 Thread Dennis Schafroth via Postfix-users
Hi Long time user of postfix and quite happy one. However I have not found a postfix feature of separating logs of smtp (port 25) and submission (port 587). My work-around is to link /usr/lib/postfix/sbin/smtpd to /usr/lib/postfix/sbin/submission and change master.cf to use submission.