Hi, new guy with what appears to be a unique situation. Perhaps someone can clarify what's going on... First off, I've got a Mac Mini with OSX 10.6.8 I think...latest edition of Snow Leopard. Had it for quite a while and love it. I've had DSL until a recent switch to AT & T U Verse. My email address isn't changed. After the switch, I noticed some trouble, went to the ATT help pages, changed my settings to inbound./outbound.att.net.....etc.....only to discover, via phone support and a chat support, that I should have left them alone. So.......changed them back to the original sbcglobal.net ID and pop/smtp settings. Had issues with the recurring pop-up password request......repaired keychains, even deleted some, re-set them, and actually deleted account and then re-created it again, and had to back up via Time Machine "library" files and "Library preferences" to get my old e-mails back.....triple-checked all the settings under preferences, including SSL, proper port numbers, etc., for the sbcglobal.net address. After all of this, and several hours with customer service at ATT, I was able to send and receive msgs. intermittently via MacMail.....it will work for a stretch, and then I will get the "triangle" next to Inbox in the left-hand column, and the error msg. that it couldn't connect to the server. I'm told it's likely an Apple problem, because I can access e-mail via the web-based page. Ok.....?? What I've discovered, by accident, is that if I log in via my browser to te web mail, the msgs. will load in MacMail. This will "fix" for hours....but, even if I stay logged in, after an extended period of inactivity, I have to close/quit mail, reopen the browser, log out, log back in...and then restart MacMail. Does anyone think this is an ATT issue, and not a Mac issue? Any idea why it would do this??