I'm running qmailtaoster for an ISP mail system, we just switched over from another mail server that was running in windows (hmailserver.com) which uses the same [EMAIL PROTECTED] for username and password, and it worked fine with "my outgoing mailserver requires authentication" ticked in outlook or equivalent settings in other programs, but I have an issue with about 20% of my customers, with exactly the same settings we transfered the usernames and passwords so they matched on the new server, then switched over the A and MX records, all of a sudden they cannot send email, they can receive fine, just not send, they get an SMTP auth failure, I was wondering if anyone else has experience in using qmailtaoster for an isp and could offer any tips, we resell our connections from a wholesaler so we dont control their IP's thus cannot just allow relaying from a particular ip range, we need authentication.
thank you
