SMTP support in Archiveopteryx

SMTP is the very, very old protocol which is still used to send mail all over the internet. LMTP is a variant of SMTP tailored for communication between mail hubs and mail stores. SMTP submission is a variant of SMTP tailored for communication between mail senders and mail hubs.

Archiveopteryx includes LMTP, SMTP and submission servers. The LMTP and SMTP servers only accept mail to local addresses. The submission server accepts mail to all addresses, and and may copy the sender and/or enforce sender address.

Configuration

By default, Archiveopteryx has support for LMTP enabled, and support for SMTP disabled. The LMTP server accepts connections only from localhost.

In archiveopteryx.conf, you can enable or disable SMTP and LMTP, as well as change the port numbers and addresses used.

Since the LMTP protocol doesn't have a standard port number, we chose a default by pulling a number out of a hat. We drew 2026.

SMTP extensions

Archiveopteryx 3.0.0 supports the following extensions:

In case of questions, please write to info@aox.org.

Relevant links

About this page

Last modified: 2011-05-22
Location: aox.org/smtp/