Outlook supports Automatic Account Configuration, but unfortunately it seems to be only for Outlook, not OE or WM. It's a pity that MAAWG or another group hasn't written a specification for the automatic downloading of configuration (with certificates, to be sure, for some kind of repudiation) and the update thereof, for adoption by the leading consumer e-mail clients. Frank -----Original Message----- From: Michael Thomas [mailto:mike@mtcc.com] Sent: Tuesday, June 16, 2009 2:54 AM To: Sean Donelan Cc: North American Operators' Group Subject: Re: Is your ISP blocking outgoing port 25? <snip> Better yet would be for the MUA to probe for the "best" configuration. Setting up mail is a royal PITA even if you know what you're doing. And a near death experience if you don't. Mike