Am 25.03.2015 um 13:39 schrieb Nick Edwards:
On 3/25/15, Reindl Harald <h.rei...@thelounge.net> wrote:that game is over at the moment you got a complaint from the sender proving you MX has responded with "250 OK" and the message was never delivered - that is *not* how SMTP is designed to workread up on your RFC's, silent discard is permitted for spam, has been RFC'd for few years now replacing old 2822 or whatever it was
tell that your angry user after a false-positive in case of important mails - in the real world not only matters what is permitted - common sense could help here.....
if i need to take the phone and ask the admin if a mail was discarded or just not delivered at the moment the mailservice is shit
a reject at SMTP level in case of spam don't produce bounces anywhere, but the bot may interpret as "that RCPT don't accept mail" - with a silent discard you sign "hey we receive all your crap" which is pretty stupid - see attached stats after change from discard to reject
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