"Cannot log in to AIM. General error. ...

I seem to be getting this an awful lot recently, under a message that "IChat can't communicate with the Mac.com account '(mine)@mac.com'". Even though internet and email is working fine.

Is this Aol's problem or Apple's, and either way is there anything I can do about it (other than leave it for a few hours or days, after which it all works; until next time?

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