Re: Re: sender issue with sasl user

On 06.12.22 02:58, linux...@gmx.net wrote: If I have setup this: smtpd_sender_restrictions = reject_sender_login_mismatch does it work? - you need proper smtpd_sender_login_maps - restriction only applies for envelope (mail from:) address, not to header (From:) address. you may apply milte

Aw: Re: sender issue with sasl user

If I have setup this: smtpd_sender_restrictions = reject_sender_login_mismatch does it work? Thank you > Gesendet: Dienstag, 06. Dezember 2022 um 09:33 Uhr > Von: "Benny Pedersen" > An: postfix-users@postfix.org > Betreff: Re: sender issue with sasl user > > lin

Re: sender issue with sasl user

linux...@gmx.net skrev den 2022-12-06 02:06: I found that when a sasl user passed the authentication, it can send email with any sender address, not only the sasl user itself. This may cause our mailsystem to be abused. How can I setup postfix to stop this behavior? do you belive strongly th