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Postfix Documentation
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What SASL implementations are supported

This document describes Postfix with the following SASL implementations:

  • Cyrus SASL version 1 (client and server).

  • Cyrus SASL version 2 (client and server).

  • Dovecot protocol version 1 (server only, Postfix version 2.3 and later)

Postfix version 2.3 introduces a plug-in mechanism that provides support for multiple SASL implementations. To find out what implementations are built into Postfix, use the following commands:

% postconf -a (SASL support in the SMTP server)
% postconf -A (SASL support in the SMTP+LMTP client)

Needless to say, these commands are not available in earlier Postfix versions.

Postfix Documentation
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