Ken Jones wrote:
Tonino was able to do a fast analysis of the problem.
Server: Qmail with Tonino's check user patch.
When an email sender identifying itself as SMTPSVC(6.0.3790.1830)
sends an email to multiple rcpt's, where some of the rcpt are
valid and some are invalid, not all the emails to valid rcpts
are delivered and the sender reports an incorrect list of
Problem due to Outlook not fully supporting SMTP protocol.
So there was no real resolution ? Did you have them stop using the ISA