Re: How to use specific relay config based on virtual domain?

2022-10-21 Thread Bryan Arenal
Thank you very much -- I'll dig into those options! I really appreciate your help! Best regards On Thu, Oct 20, 2022 at 2:55 PM Wietse Venema wrote: > > Wietse Venema: > > Bryan Arenal: > > > I'm working on moving from PMTA over to Postfix and had a question on > > > relaying for virtual domain

Re: questions to postfix's behavior

2022-10-21 Thread Wietse Venema
Henry R: > I have postfix with opendkim and policyd-spf enabled. Configure opendkim and policyd-spf for what you want to reject, and they will tell Postfix when it should reject a message. Wietse

Re: LDAP mail for external users

2022-10-21 Thread Wietse Venema
Tan Mientras: > On Thu, Oct 20, 2022 at 5:00 PM Wietse Venema wrote: > > > > > You can do this with a main.cf:virtual_alias_maps lookup table that > > takes as search key an email address in your domain like > > user123@yourdomain. If their email should be delivered externally, > > the lookup tab

Re: LDAP mail for external users

2022-10-21 Thread Tan Mientras
On Thu, Oct 20, 2022 at 5:00 PM Wietse Venema wrote: > > You can do this with a main.cf:virtual_alias_maps lookup table that > takes as search key an email address in your domain like > user123@yourdomain. If their email should be delivered externally, > the lookup table returns the external emai

Re: questions to postfix's behavior

2022-10-21 Thread Henry R
I have postfix with opendkim and policyd-spf enabled. when a message incomes they do check SPF and DKIM (for which I can verify the results in messages header). I don't know how to configure postfix to take actions on these failed messages, such as reject them. Thank you Jaroslaw Rafa wrote:

Re: questions to postfix's behavior

2022-10-21 Thread Jaroslaw Rafa
Dnia 21.10.2022 o godz. 16:40:40 Henry R pisze: > > As a receiver MTA (postfix), if DKIM, SPF or DMARC has got failed to the > sender domain, what action postfix will take for this incoming message? > reject or greylist it? Postfix by itself doesn't check DKIM, SPF or DMARC. It simply ignores the

Re: questions to postfix's behavior

2022-10-21 Thread David Bürgin
Henry R: > Hello list, > > As a receiver MTA (postfix), if DKIM, SPF or DMARC has got failed to the > sender domain, what action postfix will take for this incoming message? > reject or greylist it? > > I have setup the mail system (as this domain openmbox.net) but not sure about > it. thanks.

questions to postfix's behavior

2022-10-21 Thread Henry R
Hello list, As a receiver MTA (postfix), if DKIM, SPF or DMARC has got failed to the sender domain, what action postfix will take for this incoming message? reject or greylist it? I have setup the mail system (as this domain openmbox.net) but not sure about it. thanks. regards Henry