Smtp

Configure OmniOS to use an authenticated SMTP relay (smarthost)

       375 words, 2 minutes

All my servers use an SMTP relay to communicate via email. I have setup “service” accounts that they use to authenticate themselves on a smarthost. My OmniOS server is no exception.

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Upgrade to OpenSMTPD 6.4.0

       423 words, 2 minutes

It’s no secret that configuration for OpenSMTPD changed a lot with version 6.4.0. Despite the fact that changes were announced long time ago and that many configuration examples have popped-up, my particular usage wasn’t covered(1). Namely: using OpenSMTPD with Dovecot and Rspamd as chained MTA.

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OpenSMTPD, Dovecot and ldapd on OpenBSD 5.7

       2535 words, 12 minutes

Looking to replace my old Postfix/Dovecot configuration with more native OpenBSD stuff, I finally ended with a configuration than seems suitable to me. I’ll be hosting virtual users and mail aliases in ldapd(8), smtpd(8) will deal with email receiving/sending and dovecot(1) will be in charge of email delivery using LMTP and email reading using IMAP. Of course, spamd(8) will do a bit of work in front of OpenSMTPD. All of those will run on OpenBSD 5.7.

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Quick look at OpenSMTPD on OpenBSD 5.1

       1168 words, 6 minutes

I want to have a look at a replacement for my Postfix/Dovecot/OpenLDAP mail server using the OpenSMTPd implementation. Not that it doesn’t work ; in fact I don’t get that much mail and everything works like a charm. I just want to see if I can use as much all-inclusive OpenBSD 5.1 daemons.

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My SMTP cheat sheet

       321 words, 2 minutes

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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