Simple Authentication and Security Layer
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About
Simple Authentication and Security Layer (SASL) refers to either:
- a list of requirements for authentication mechanisms and protocols
- specific software that implements those requirements
Linux
In Linux, SASL may be handled by saslauthd.
To see if saslauthd is running: "ps aux | grep saslauthd" should return a process for every active connection (e.g. Rizzo shows half a dozen), not counting the grep command itself.
Postfix-Dovecot
eventually make a page about this
Tests
- openssl - depending on what protocols you have enabled (pop3 or imap):
- openssl s_client -connect localhost:imaps
- openssl s_client -connect localhost:pop3s
If you are running this command from a different machine than your IMAP/POP3 server, replace "localhost" with the name or address of the server.
Type "QUIT" to exit, if openssl does not return you to a system prompt.
Caveat: This can seem to be working and yet Dovecot/Postfix will still be reporting fatal: no SASL authentication mechanisms.