Exim can verify sender/recipient addresses by issuing "RCPT TO:" in special SMTP session.
[ I have already asked similar question in [EMAIL PROTECTED] ]
2) Would such recipient verification procedure create any problems for cyrus ?
-- Andrzej [en:Andrew] Adam Filip [EMAIL PROTECTED] [EMAIL PROTECTED] http://anfi.homeunix.net/ http://slashdot.org/~anfi --- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html