I think the blank message problem on the forum might be caused by MIME/PGP (I could be wrong though).
Michał's post, for the forum: -------- Original Message -------- Subject: Re: [Trisquel-users] Compromising the Services Date: Wed, 3 Jul 2013 12:44:37 +0200 From: Michał Masłowski To: User help and discussion <trisquel-users@listas.trisquel.info> > If you do find a solution to the SMTP-hijacking problem, please let me know. > Currently, I have mine set to refuse connections from outside my local > subnet, but that's not great for when I'm using my Android mobile on the go, > and want to reply to an email. Is there something we can do with > public/private keys here? Just a thought. Isn't it solved by SMTP-AUTH? Postfix can use Dovecot SASL for authentication. My server accepts relay only on 587 (requires STARTTLS and authentication), I don't see many failures in the logs (unlike zombies trying to relay on port 25).
