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Teal Level 1 Level 1

Since upgrading to 10.8 (10.8.2), two separate users and two separate email accounts on our iMac are unable to send emails out using Mail; but we are able to receive emails. It has only begun since upgrading to Mountain Lion.

 

I see many posts about this similar issue, with many different possible causes and ways to resolve which none seem to work.

 

Anyone have any updates or ideas on how to resolve this issue? Everything worked fine until the upgrade.

 

Below is the error message we receive:

 

Cannot send message using the server smtp.att.yahoo.com

 

The SMTP connection to server “smtp.att.yahoo.com” failed.

 

Select a different outgoing mail server from the list below or click Try Later to leave the message in your Outbox until it can be sent.

 

---

 

Trying to log in to this smtp account failed. Verify that the username and password are correct.

 

Thanks for anyone's help!


iMac (24-inch Early 2009), OS X Mountain Lion (10.8.2), iPhone 3GS
Reply by mwearl on Oct 8, 2012 3:18 PM Helpful
It IS a yahoo/AT&T problem.  I called today and at first they said there was no problem.  Then, believe it or not, they actually called back about 20 minutes later and said that after receiving additional phone calls, they were able to confirm that SMTP is not working with Mac mail, but it is a problem on there end.  They claim it's been esculated and estimate 24 hours to be fixed. I have a customer who has two iMacs and both simply stopped working end of last week.  Doesn't matter which port, whether you our yahoo, outbound or even bellsouth settings.  Its broken, however, I can subsitute my Gmail account settings in place of any AT&T settings and it works flawlessly.  Thunderbird also works just fine when testing.

All replies

  • Shootist007 Level 6 Level 6

    Really this has nothing to do with the OS, even if upgrading the OS broke it. It is a Mail settings problem or the Mail program itself.

     

    Create a New account in the mail program with all the correct setting. You may have to delete the original account to be able to do this using the same Username and password. So make sure you Back Up all the mail that you now have.

     

    If that doesn't work then switch to a REAL Email program as the one that comes with OS X is the worst.

  • Teal Level 1 Level 1

    If it has nothing to do with the OS how come two different user accounts on different profiles were affected by the same issue. Everything worked up to the point of upgrading OS. Plus other users are having a similar issue. ??

     

    What do you recommend for a REAL email program?

  • Shootist007 Level 6 Level 6

    Well that update may of updated the Mail program which, even though it is included with the OS, is not really a part of the OS. It is a separate program.

    If you read these forum you will find many many posts about how poor an Email program Apple/Mac Mail is. Some have no problems, many have numerous problems.

     

    Mozilla Thunderbird.

  • markwmsn Level 5 Level 5

    Have you tried using Show Detail in Connection Doctor (Mail > Window > Connection Doctor > Show Detail) to see how the connection failed? That might lead you to a solution to your particular issue (as opposed to whatever issues other users may have seen).

  • Lanny Level 5 Level 5
    expertise.macosx
    Mac OS X

    There is nothing wrong with Mail, Apple's email program, despite what others might say.

     

    All e-mail clients are sensitive to having the correct setup information entered into their configuration setup. They have pretty much the same inputs.

     

    Verify that your username is entered correctly. In most cases it's everything to the left of the @, sometimes it's the whole e-mail address. Also, always make sure that after you make changes to the configuration settings that you not only save the results, but that you also Quit, not just close the open window, the e-mail application and restart it.

     

    Often e-mail clients offer automatic configuration assistants that depend on typical conventions. That's why you may have to adjust some of the settings.

     

    Example: When I worked for the Federal Govt., we used Microsoft Outlook, it configured the user name iaw convention and entered everything to the left of the @. This didn't work though because our IT department mandated the use of our 7 digit login ID used eleswhere within the Government.

  • Shootist007 Level 6 Level 6

    The OP stated it was working and then just stopped working. After an Update. This is a common problem with Mac Mail. One day/minute it works OK the next day/minute it doesn't. Just do a search on these forum for Mail problems. You will get pages and pages of problems.

  • Lanny Level 5 Level 5
    expertise.macosx
    Mac OS X

    Fine, but millions of people are using Mail with no issues. It might be worth trying to resolve the issues rather than using that piece of crap Thunderbird program that you're recommending. IMHO.

  • Csound1 Level 8 Level 8
    expertise.desktops
    Desktops

    If these are imap accounts, delete them and put them back.

  • Teal Level 1 Level 1

    I have used Connection Doctor and it's stating: trying to log into this SMTP account failed - verifyusername and password are correct.

     

    I have re-entered pass & username in multiple places with no luck.

     

    Thanks for the suggestion.

  • Teal Level 1 Level 1

    No they're POP (AT&T) accounts. Not a big fan of AT&T but my wife doesn't want hers changed to something else so for the time being trying to resolve this SMTP issue in Mail.

     

    Thanks

  • Lanny Level 5 Level 5
    expertise.macosx
    Mac OS X

    Did you try using your whole email address for the user name?

  • Teal Level 1 Level 1

    Yes I have. With and without. Under the account info section it continues to indicate that the account is offline; which under the Mailbox menu shows that the account is online.

     

    Frustrating!!

  • Shootist007 Level 6 Level 6

    Teal wrote:

     

    No they're POP (AT&T) accounts. Not a big fan of AT&T but my wife doesn't want hers changed to something else so for the time being trying to resolve this SMTP issue in Mail.

     

    Thanks

    About the only thing you can do is Delete these Account then Recreate them. I also use the ATT Yahoo Mail system for 3 of my email addresses and just did a test from one of them to my Gmail account and had no problem sending through the SMTP.ATT.YAHOO.COM servers. But then I am using Thunderbird as an Email client.

  • Lanny Level 5 Level 5
    expertise.macosx
    Mac OS X

    Just try it for the SMTP section only.

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