Is there any value in using a Let’s Encrypt cert for accepting mail with SMTP, over a self-signed cert? From what I recall they set some bit to mark the cert as invalid for this? And nobody verifies the certs for SMTP anyway?

@zhenech me too, but I recently broke something myself as a consequence of using LE (mod_md directory permission reset, exim couldn’t read it) which makes me wonder if there’s any value

@zhenech she wouldn’t see that though for SMTP receipt… only for SMTP submission - I’ve outsourced that so they’re handled separately in my case

@zhenech thanks for the input. I’m half minded to just outsource the lot now. Spam filtering was the last real obstacle to that. Oh and mailbox size

@zhenech mythic beasts. I have their lowest tier email service and only use smtp submission atm. Works like a charm and saves me worrying about IP sender reputation

@suihkulokki @zhenech ah I see. Thanks for clarifying!