Hi You can try implementing dmarc for your domain and use dmarc check while receiving mail.
Cheers/DP On Mon, Sep 14, 2020, 16:06 Fourhundred Thecat <400the...@gmx.ch> wrote: > Hello, > > I am receiving spam, where the "header from" is my actual email (ie, the > email that this spam is delivered to) > > The "envelope from" that I see in postfix logs is some random email. > > What mechanisms are there to reject such messages, which use my email > address as sender ? > > Can I reject messages that have different envelope from and header from? > > Or what would be the best approach ? > > thanks, >