hello all. first off big thanks to u for ispconfig3. now - onto the problem. been pulling my hair out on this one, I have 1 user that can send emails just fine, either from squirrelmail or thunderbird, setup for pop3 access (thunderbird) The problem is: either in squirrelmail or thunderbird, he can login just fine. But no emails show up in thunderbird or squirrelmail. Doesn't matter where i send a test email from, gmail, yahoo, etc -nothing shows! I've examined the mail.log and so far as i can see the messages go through. The particulars: Setup this server using the perfect server ispconfig3 on debian 5.0. (awesome tutorial, much props) The best part of the whole thing is: the user is my boss! this has been going on for 2 days or so. He was getting a few bounces prior to this, as in emails he was sending to gmail and yahoo addresses wouldn't go through. Then all of a sudden 3 days ago - no more emails show up. I should mention that aside from the bounces, his emails was working just fine, as well as the 40+ other users in the system. I've tried upping his quota - no luck. Deleted then re-made the user, no joy. It just makes no sense to me since the mail log shows no errors.. that i can see The only thing i've done to this server lately is run a upgrade using apt-get upgrade, that's all. I do have a backup, but this is literally the only problem i know of. Much thanks for any help/suggestions/ridicule you could offer.