[pfx] postscreen_dnsbl_min_ttl only for success results?

2023-09-13 Thread lutz.niederer--- via Postfix-users
Hi! "The minimum amount of time that postscreen(8) will use the result from a successful DNS-based reputation test before a client IP address is required to pass that test again." By "successful" ... 1 - Do you mean that postscreen was able to successfully get any data from a dnsbl query - wh

[pfx] Re: smtpd_command_filter: Bounce-never regex sample wrong?

2023-08-28 Thread lutz.niederer--- via Postfix-users
; On Sun, Aug 27, 2023 at 10:25:10AM +0200, lutz.niederer--- via Postfix-users > wrote: > > > In postconf > smtpd_command_filter section there is an example for never > > bouncing mails (no DSN): > > > > # Bounce-never mail sink. Use notify_classes=bounce,resou

[pfx] smtpd_command_filter: Bounce-never regex sample wrong?

2023-08-27 Thread lutz.niederer--- via Postfix-users
Hi! In postconf > smtpd_command_filter section there is an example for never bouncing mails (no DSN): # Bounce-never mail sink. Use notify_classes=bounce,resource,software # to send bounced mail to the postmaster (with message body removed). /^(RCPT\s+TO:\s*<.*>.*)\s+NOTIFY=\S+(.*)/

[pfx] Re: How to block subaddressing from extern with a table

2023-08-14 Thread lutz.niederer--- via Postfix-users
; On Mon, Aug 14, 2023 at 11:04:56PM +0200, lutz.niederer--- via Postfix-users > wrote: > > > we need to block subaddressing from extern, and only from extern. > > Internally we use it really often. > > A sensible initial simplification is to not mix inbound and outbound > m

[pfx] Re: How to block subaddressing from extern with a table

2023-08-14 Thread lutz.niederer--- via Postfix-users
subaddressing from extern with a table > > On Mon, Aug 14, 2023 at 11:04:56PM +0200, lutz.niederer--- via Postfix-users > wrote: > > > we need to block subaddressing from extern, and only from extern. > > Internally we use it really often. > > A sensible initial simpli

[pfx] How to block subaddressing from extern with a table

2023-08-14 Thread lutz.niederer--- via Postfix-users
Hi, we need to block subaddressing from extern, and only from extern. Internally we use it really often. We thought about a table that denies recipient addresses that got a "+". But how do we filter only if they do not come from mynetwork and not the authenticated users, but only from users