On 7/16/23 17:57, Benny Pedersen wrote:
back to basic:

why accept local envelope SENDER domains on port 25 ?

its safe to reject them

its not a question on spf or stupid srs rewrites

On 17.07.23 10:54, Thomas Cameron wrote:
That's actually a great point. So you're saying to tell sendmail to reject emails purporting to come from me if they come from another mail server?

Got a pointer to documentation on how to do that? I'm all ears.

when I used sendmail, I set up access file that rejected From:fantomas.sk but my local IP address was allowed from using it, "Connect:127.0.0.1 OK"

just define access database for sendmail

--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
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