email address as username

Roman Neuhauser neuhauser at
Sat Jun 28 11:19:57 EDT 2003

I'm trying to set up Cyrus IMAPd 2.1.13 with SASL 2.1.13 on
FreeBSD 4.8-STABLE (using the ports). The goal is to use either MySQL or
OpenLDAP as the authentication backend, but I ran into a problem right
at the start, using sasldb2.

The usernames need to be full email addresses, and SASL seems to be
quite unhappy with the at sign.

I can't find where the docs say what characters are (il)legal in
usernames, and in fact the only hint I found was in the %r escape
description under MySQL auxprop options (of all places). The sentence
directs the reader to "the realm documentation". Where is it?

If you cc me or remove the list(s) completely I'll most likely ignore
your message.    see

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