started getting 550 #5.7.1 SPF unauthorized mail

I have a simple 'mail list' where an alias 'ct...@sbt.net.au' sends email to several recipients, that's been in use since long time. today noticed one of these addresses started bouncing with '5.7.1 SPF unauthorized mail' since just today: what am I doing wrong ? worked: Aug 23 09:27:25 geko

Re: protecting internal email distribution lists

On Wed, Aug 24, 2022 at 09:32:10PM +0300, Ivars Strazdins wrote: > Sorry if I replied to the list twice, but Noel’s advice nailed it. > "check_recipient_access=hash:/etc/postfix/protected_destinations" must > be added to master.cf smtps and submission, then sending is not > allowed. More

Re: protecting internal email distribution lists

Sorry if I replied to the list twice, but Noel’s advice nailed it. "check_recipient_access=hash:/etc/postfix/protected_destinations" must be added to master.cf smtps and submission, then sending is not allowed. Thanks! Kind regards, Ivars > On 24 Aug 2022, at 20:15, Noel Jones wrote: > >

Re: protecting internal email distribution lists

Since this is done with smtp_recipient_restrictions, it will only work with mail submitted via SMTP and not with mail sent through the sendmail(1) command. Also, you may have put overrides for smtp_recipient_restrictions in master.cf for the submission or submissions (smtps) ports that will

Re: protecting internal email distribution lists

> On 24 Aug 2022, at 19:38, julio covolato wrote: > > > Em 24/08/2022 13:06, Jaroslaw Rafa escreveu: >> Dnia 24.08.2022 o godz. 19:03:37 Ivars Strazdiņš pisze: >>> I tested and it did not work for local users, access is denied (sending not >>> possible) only for external ones. >>> Mail is

Re: protecting internal email distribution lists

Em 24/08/2022 13:06, Jaroslaw Rafa escreveu: Dnia 24.08.2022 o godz. 19:03:37 Ivars Strazdiņš pisze: I tested and it did not work for local users, access is denied (sending not possible) only for external ones. Mail is sent to l...@domain.com regardless if local

Re: protecting internal email distribution lists

Dnia 24.08.2022 o godz. 19:03:37 Ivars Strazdiņš pisze: > > I tested and it did not work for local users, access is denied (sending not > possible) only for external ones. > Mail is sent to l...@domain.com regardless if local > sender address is in the insiders map or

Re: protecting internal email distribution lists

Hi Julio, I tested and it did not work for local users, access is denied (sending not possible) only for external ones. Mail is sent to l...@domain.com regardless if local sender address is in the insiders map or not. I use lmtp for local mail delivery, could that be a

Re: protecting internal email distribution lists

On Wed, Aug 24, 2022 at 04:08:29PM +0300, Ivars Strazdins wrote: > I know that it is possible to protect l...@domain.com from external > senders, as per https://www.postfix.org/RESTRICTION_CLASS_README.html > > But is it possible to limit users from the same domain who can send > mails to an

Re: protecting internal email distribution lists

Em 24/08/2022 10:08, Ivars Strazdins escreveu: Hello Postfix Experts, let’s say that domain.com is Postfix $mydomain. I know that it is possible to protect /etc/postfix/protected_destinations from external senders, as per

Re: protecting internal email distribution lists

Dnia 24.08.2022 o godz. 16:08:29 Ivars Strazdins pisze: > Hello Postfix Experts, > let’s say that domain.com is Postfix $mydomain. > I know that it is possible to protect l...@domain.com > from external senders, as per >

warning: cannot connect to service private/smtpd

On about two or three occasions in the last couple of weeks, I started getting lots of errors like the ones below. There are five relays and they have all had the same basic config for several years, but I've never seen this happen before. The only thing I had changed recently was updating the

protecting internal email distribution lists

Hello Postfix Experts, let’s say that domain.com is Postfix $mydomain. I know that it is possible to protect l...@domain.com from external senders, as per https://www.postfix.org/RESTRICTION_CLASS_README.html But