[pfx] Re: Unexpected behavior of regexp table in check_sender_access directive

2024-02-11 Thread Viktor Dukhovni via Postfix-users
On Sun, Feb 11, 2024 at 07:42:24PM -0600, Jakob Cornell via Postfix-users wrote: > smtpd_recipient_restrictions = > check_sender_access regexp:/etc/postfix/db/sender_access_table > ... As documented regexp, pcre, ... tables don't do "partial key" lookups. This is deliberate and

[pfx] Unexpected behavior of regexp table in check_sender_access directive

2024-02-11 Thread Jakob Cornell via Postfix-users
Hi folks, I'm updating the configuration of my mail server and having problems with a regexp table. This is the relevant configuration in main.cf: smtpd_recipient_restrictions = check_sender_access regexp:/etc/postfix/db/sender_access_table ... And

[pfx] Re: ARC or DKIM or SRS?

2024-02-11 Thread Peter via Postfix-users
On 12/02/24 11:47, Alex via Postfix-users wrote: My concern would be with multiple MX records for the same domain - is it possible it would come back to try again with another MX and be delayed yet again? Unless you're referring to your own MX records these are not relevant. That said, many

[pfx] Re: ARC or DKIM or SRS?

2024-02-11 Thread Alex via Postfix-users
Hi, > It has multiple benefits against bots, like: > > - few seconds delay for refusing clients that send helo/ehlo before > > esmtp greeting (I have used this for years with sendmail) > > - dnwsl/dnsbl scoring system. > > > > These are pretty safe to use. > > These are the tests that are enabled

[pfx] Re: How to forward submitted mails under the identity of an email alias to all other members of that alias?

2024-02-11 Thread Wietse Venema via Postfix-users
Matthias Nagel via Postfix-users: > > > How do I forward submitted mails under the identity of an email alias > > > to all other members of that alias? Is that even possible with Postfix > > > only? > > > > Yes, with sender_bcc_maps, and with the proviso that the BCC will be to > > all the

[pfx] Re: How to forward submitted mails under the identity of an email alias to all other members of that alias?

2024-02-11 Thread Matthias Nagel via Postfix-users
> > How do I forward submitted mails under the identity of an email alias > > to all other members of that alias? Is that even possible with Postfix > > only? > > Yes, with sender_bcc_maps, and with the proviso that the BCC will be to > all the members of that "alias", rather than just "the other

[pfx] Re: Understanding log entries

2024-02-11 Thread Wietse Venema via Postfix-users
Small edit for clarity. Wietse Doug Hardie via Postfix-users: > Is there a way to configure postfix to drop the email if all the > providers MTAs return a 5xx response? We had a problem like that when some people wanted to make TLS mandatory. The solution was not to bounce mail when a

[pfx] Re: Understanding log entries

2024-02-11 Thread Wietse Venema via Postfix-users
Small edit for clarity. Wietse Doug Hardie via Postfix-users: > Is there a way to configure postfix to drop the email if all the > providers MTAs return a 5xx response? We had a problem like that when some people wanted to make TLS mandatory. The solution was not to bounce mail when a

[pfx] Re: Understanding log entries

2024-02-11 Thread Wietse Venema via Postfix-users
Doug Hardie via Postfix-users: > Is there a way to configure postfix to drop the email if all the > providers MTAs return a 5xx response? We had a problem like that when some people wanted to make TLS mandatory. The solution was not to bounce mail when a server did not offer working TLS, but

[pfx] Re: How to forward submitted mails under the identity of an email alias to all other members of that alias?

2024-02-11 Thread Viktor Dukhovni via Postfix-users
On Sun, Feb 11, 2024 at 10:59:37AM +0100, Matthias Nagel via Postfix-users wrote: > How do I forward submitted mails under the identity of an email alias > to all other members of that alias? Is that even possible with Postfix > only? Yes, with sender_bcc_maps, and with the proviso that the BCC

[pfx] How to forward submitted mails under the identity of an email alias to all other members of that alias?

2024-02-11 Thread Matthias Nagel via Postfix-users
Dear all, how do I forward submitted mails under the identity of an email alias to all other members of that alias? Is that even possible with Postfix only? I am running Postfix 3.8.4 with OpenLDAP as the backend for account and alias management. Postfix is setup for virtual mail hosting and