MobileMe after Lion install...

I have installed Lion on my MBA. Ever since then, I have had trouble with delays in "Sent" emails. I can receive emails ok but sending goes directly to Outbox and does not send out. May not be a Lion issue, just coincidental?

Anyone else having this issue?

Where do I find the SMTP password screen?

I went to utilities, disk utilities, verified permissions, repaired permissions and still the same issue.

I'll try looking, thanks.