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"cannot send mail - your mailbox is full"

well this is a new one for me. I've been using my company email on the iphone for a few months now and as of last night I can no longer send or reply to emails. I can still receive them (which is strange considering the "mailbox is full" message) but anything I try to send sits in the outbox unsent. Rebooting etc. doesn't help. My personal gmail account runs fine. I deleted and set up the exchange account twice. (Here's another odd thing...when I delete the exchange account, the email sitting in my outbox gets sent from my personal email account.)

any ideas?

24" iMac, iPhone 3GS, apple tv, Mac OS X (10.5.7)

Posted on Oct 24, 2009 5:00 AM

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Posted on Oct 24, 2009 5:39 AM

The message is most likely from the Exchange server, not your iPhone. Talk to your IT admin.

The message was sent from the other account because deleting the Exchange account makes the remaining account the default account. You can have several SMTP (outgoing) mail servers, and by default the iPhone will try each of them in turn to send a message. You can change this behavior in Settings.
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Question marked as Best reply

Oct 24, 2009 5:39 AM in response to csmith50

The message is most likely from the Exchange server, not your iPhone. Talk to your IT admin.

The message was sent from the other account because deleting the Exchange account makes the remaining account the default account. You can have several SMTP (outgoing) mail servers, and by default the iPhone will try each of them in turn to send a message. You can change this behavior in Settings.

"cannot send mail - your mailbox is full"

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