My SMTP cheat sheet

Today is the day when my SMTP server didn’t want me to relay mail after authentication…
This is probably my fault as I may have change something without remembering it. Anyway, here the commands to use to talk SMTP to your favorite server.
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Back to the sea ; the mail server (SMTP, IMAP, GreyList, RBL…), episode X

Like I did with NetBSD, this is how to build an almost complete Mail Server with OpenBSD.

We’re gonna use a Dovecot IMAP server and a Postfix SMTP server. Postfix will use Dovecot as a SASL service. Both will use LDAP to identify valid users and e-mail aliases. Mail sanitization will be provided by RBL, from Postfix, and by the spamd shipped with OpenBSD.

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