BellSouth Email Not Sending or Receiving: What's Actually Wrong
Someone wrote in a while back convinced their whole BellSouth account had "just broken." Turned out mail was sending fine — it just wasn't arriving. Two completely different problems that feel identical when you're the one staring at an empty inbox.
If you can't even sign in, that's a different post — I wrote about that here. This one assumes you're already logged in and something's still off.
First, check the actual AT&T webmail
Before touching any app settings, sign in to AT&T Mail directly in a browser and see if the problem shows up there too. If it does, you're dealing with an account issue, not an app one. If webmail's fine but one app isn't, you've just saved yourself a lot of time — the fix lives entirely in that app's settings.
When mail won't go out
Nine times out of ten it's a stuck Outbox item — usually one message with a big attachment, jamming up everything queued behind it. Open the Outbox, deal with that one message, and the rest tends to clear itself. If you're sending through a third-party app, double-check the outgoing server settings (smtp.mail.att.net, port 465 or 587), and if the account has extra security on, make sure you're using a Secure Mail Key instead of your regular password — that one trips people up constantly.
When mail won't come in
Spam folder first, always. I know it sounds obvious, but it genuinely fixes more of these than anything else on this list. After that, check for an old filter or forwarding rule quietly redirecting things — the kind you set up years ago and forgot existed.
When storage is the real culprit
A full mailbox blocks both directions, not just one, and it usually shows an error that says nothing about storage at all. Check your usage in settings, and empty Trash and Spam while you're there — deleted mail still counts until those get emptied.
When it's inconsistent — works, then doesn't
That pattern usually means your connection, not your account. Try the same thing on a different network before assuming anything's actually broken.