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Yahoo mail can't send - Outgoing server "(null)" failed

I can not send ONLY from MY Yahoo email address. When I try to send a message is says "Outgoing Server '(null)' failed."

I have tried changing my password to one without numbers or characters, deleting the account and re-adding, restoring the iPhone. Nothing.

Here is the wierd thing: any other Yahoo account works just fine. My wifes yahoo address works perfectly, I created a new one and it works perfectly as well. It is just my address. Has anyone else had this problem?

Dell Dimension E310, Windows XP

Posted on Nov 9, 2007 7:49 AM

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Question marked as Best reply

Posted on Nov 11, 2007 11:36 AM

Anyone have any suggestions?
23 replies

Nov 21, 2007 6:01 PM in response to Chris Juric

I seem to have a similar problem - I have my own server and my iPhone has been happily syncing using IMAP since last July (through all of the upgrades, including 1.1.2. I can access the same server from iPhone Safari (using https) so it seems like I can still connect and there doesn't seem to be a problem with router, etc. BTW - my email server is on Comcast FWIW.

Dec 27, 2007 5:19 PM in response to Chris Juric

I have the same problem. The issue is IMAP vs. POP. Setting up the bizmail account with the pre-loaded "YahooMail" link in the Mail setup options sets up your bizmail account with IMAP settings. While this allows you to see all your storage folders from the server, for whatever reason, you can't receive mail as the incoming server "null" fails. I can send mail just fine, but I can't receive. Now the work-around was to set it up as an "other account," not using the YahooMail link. Then you have to select "POP", then use "pop.bizmail.yahoo.com" (ignore the quotes) for the incoming mail server with SSL turned OFF. For outgoing, you use "smtp.bizmail.yahoo.com:465", turn ON SSL. The 465 designates the correct port, so you should have that in there. This will allow you to both send and receive, but will NOT allow you to view your storage folders. The account would have to be set up as IMAP in order to see those folders, but I have been unsuccessful in getting that information from yahoo business support. They are as useless as the "geniuses" at the Apple Store. Hope this helps!

Feb 1, 2008 2:37 PM in response to Chris Juric

I was able to send email before, but I am now frequently getting the 'Cannot Send Mail: The connection to the outgoing server '(null)' failed' message. This is frustrating. I don't know if this is an Iphone issue or a Yahoo! issue. The Iphone stores the message in the Outbox and slowly drains the Iphone battery. I don't have a bizmail Yahoo! account. I have a free account. This problem came to fore when I sync'd contact with Yahoo! I'd love to be able to send emails/ pictures from Iphone again.

Feb 28, 2008 4:27 AM in response to Chris Juric

I've been fiddling with this problem (unable to send emails from my Yahoo business email account via IMAP) all week and I think I may have found the answer to this -- at least it's now working for me.

What I did was to sign up again through the iPhone for Yahoo Mail. When it asked me for the "name" on my account and the "email address", I put my Yahoo Mail business email address for BOTH entries. Then I put in my password on the account and entered everything. It now works. I am able to send and receive emails and I have access to all my other folders.

I hope this is the answer for everyone else because I know how frustrating it was.

Yahoo mail can't send - Outgoing server "(null)" failed

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