JohnWidhalm

Q: Yahoo! mail stopped working with Yosemite

Ever since I upgraded from Mavericks to Yosemite my Yahoo mail account via Mac-Mail has failed to work - cannot send/receive anything.

 

This saga started a couple of weeks ago when I decided to upgrade from Mavericks to Yosemite.  Upgrade went smoothly however my Yahoo mail accounts failed to connect.  My Gmail, Outlook, and iCloud accounts all work.  My Yahoo account works just fine on my iPhone and iPad, and of course via Web (Safari/Firefox).  After trolling through the internet on this I found very few clues for Yahoo mail issues directly linked to Yosemite.

 

I've deleted the accounts and re-added them (several times).  There are two ways email accounts can be added - via Internet Accounts from the System Preferences and also from the Mail application itself.  From the Mail application you can also verify the detailed settings of each of the mail accounts.  I've checked, double-checked and nothing worked.  The following are a sample of the errors I've been receiving:

 

Mail couldn't log in to the Mail server “Unknown”.

Notes couldn't log in to the IMAP server “Unknown”.

Mail couldn't discover the account settings for the Mail server “Unknown”.

Unable to verify account name or password.

Mail can't connect to the Yahoo! account - Enterpassword for xxx.

There was a problem setting up the Mail account - Mail couldn't discover the account settings for the Mail server

 

I am constantly prompted to enter my password.  I've checked my settings over and over - the detailed mail account settings via Mail--> Preferences.  MyYahoo Contacts, Calendars, Message and Reminders all appear to connect just fine by Mail never does.

 

After all of this I decided to perform a clean install of Yosemite - so I did and  . . . no change . . . Yahoo! mail problem persists.

 

Not sure what else to try.  I am wide open to any ideas or suggestions

Mac mini (Late 2012), OS X Yosemite (10.10)

Posted on Nov 7, 2014 7:34 PM

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Q: Yahoo! mail stopped working with Yosemite

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  • by John G 9,

    John G 9 John G 9 Mar 3, 2015 5:12 PM in response to dorothyfromlosaltos
    Level 1 (0 points)
    Mar 3, 2015 5:12 PM in response to dorothyfromlosaltos

    See this article: http://guillaumeb.com/ym/imap.html


    These settings below are apparently the default that Yahoo uses:

    • Incoming Server - imap.mail.yahoo.com
    • Outgoing Server - smtp.mail.yahoo.com
    • Incoming Port - 993 (requires SSL)
    • Outgoing Port - 465 (requires SSL/TLS)
    • Username: full email address
    • Password: the password you login to Yahoo! with.

    Try to set up using these and see if it works.

     

    Thanks,

    John

  • by andysd,

    andysd andysd Mar 3, 2015 5:52 PM in response to John G 9
    Level 1 (0 points)
    Mar 3, 2015 5:52 PM in response to John G 9

    I made no change at all, but somehow after two days of NOT working, I started getting email delivered to my Inbox again.  In the past, when this has happened, I would spend hours deleting and recreating and reconfiguring.  This time, I changed nothing (and used webmail for a couple of days).  Apple Mail remained open and running, and eventually it just decided to start working again.  At first a trickle of (new) Inbox messages appeared, then eventually the whole collection of Inbox messages finally showed up.  Again, I did not change any configuration at all!  Weird.

  • by avatar21,

    avatar21 avatar21 Apr 24, 2015 10:23 PM in response to JohnWidhalm
    Level 1 (12 points)
    Notebooks
    Apr 24, 2015 10:23 PM in response to JohnWidhalm

    Yes, this actually works for me as well, with additional information someone mentioned below URL:

    https://www.apple.com/support/mail-settings-lookup/

  • by efcast1,

    efcast1 efcast1 Apr 27, 2015 4:48 PM in response to JohnWidhalm
    Level 1 (0 points)
    Apr 27, 2015 4:48 PM in response to JohnWidhalm

    After finding the manual fix in the library for Mail, only one of my email accounts worked. (The other one from the same website never did.) I had no problem with these accounts before the upgrade to Yosemite. Now I cannot do the work for my business.

     

    I have tried to delete all the mail accounts altogether and then add them one at a time. I have used all the possible suggestions for settings from my website host domain.

     

    It just all of a sudden stopped working and kept asking for my password all over again.

     

    I've used Connection Doctor and reset the PRAM.

     

    I have exhausted about 10 pages of suggestions for help from a web search on problems with Yosemite Mail.

     

    Can anyone give any clearer suggestions?

  • by bmcline13,

    bmcline13 bmcline13 Jun 17, 2015 11:26 AM in response to efcast1
    Level 1 (0 points)
    Jun 17, 2015 11:26 AM in response to efcast1

    So I've also been experiencing the same or similar issues as others. I did a clean install of Yosemite and then when I was prompted to login to my iCloud account of course I did. It then begins setting the newly installed OS up with my preferred settings from my previois instance of the OS. I.E. my email accounts, Keychain, etc... When I originally signed in I was prompeted with a  window saying the password for my xxx@yahoo.com email address was invalid and I could either press cancel or continue. I pressed cancel and thought nothing of it until today.

     

    I was finally frustrated enough not being able to get my yahoo account to sync up I started messing around. I was able to get my yahoo, iCloud, and another POP email account working again by opening System references>iCloud and unchecking the checkbox next to Mail. I then just waited until the process finished and re-checked the Mail checkbox. I was immediately prompted with the same cancel or continue option and I choose continue this time. Shortly thereafter the system prompted me to enter the password for my email account(s), which I did and them voila! Everything started to sync back up again.

     

    I should note that I have a VERY large inbox which did take a while to initially start syncing but it did sync up. I am able to send/ receive from all three of my accounts now with no issues.

     

    I hope this helps someone else experiencing the same issues.

  • by eddi2016,

    eddi2016 eddi2016 Jul 6, 2015 8:47 PM in response to JohnWidhalm
    Level 1 (0 points)
    Jul 6, 2015 8:47 PM in response to JohnWidhalm

    I tried the solution of instead of selecting Yahoo!, I selected 'other account' from the settings and it worked for me too, Now I can check my Yahoo mail easily on my Mac Yosemite!!!!!!

     

    VERY HAPPY

  • by Sassy2001,

    Sassy2001 Sassy2001 Jul 29, 2015 9:23 AM in response to yunicornfairy
    Level 1 (0 points)
    Jul 29, 2015 9:23 AM in response to yunicornfairy

    It seemed like once I changed the server port, it started working. thanks!

  • by Sassy2001,

    Sassy2001 Sassy2001 Jul 29, 2015 9:24 AM in response to yunicornfairy
    Level 1 (0 points)
    Jul 29, 2015 9:24 AM in response to yunicornfairy

    t seemed like once I changed the server port, it started working. thanks!

  • by MOAJr,

    MOAJr MOAJr Sep 20, 2015 4:40 AM in response to peterfromwesterham
    Level 1 (0 points)
    Sep 20, 2015 4:40 AM in response to peterfromwesterham

    You have to

    -first click cancel and close out mail,

    -then go to this link which yunicornfairy have mention: https://www.apple.com/support/mail-settings-lookup/ and follow the instructions.

    -Re-open Mail and set it up again

  • by hurricane_red,

    hurricane_red hurricane_red Oct 15, 2015 10:01 AM in response to JohnWidhalm
    Level 1 (0 points)
    Oct 15, 2015 10:01 AM in response to JohnWidhalm

    Thank you Jon Widhalm. After struggling with this all night and trying to avoid the slew of multi-stepped, highly technical fixes suggested, I tried the "Add Other Account" trick and was up and running in less than a minute.

  • by ziggyzig,

    ziggyzig ziggyzig Jan 15, 2016 12:20 PM in response to efcast1
    Level 1 (16 points)
    Desktops
    Jan 15, 2016 12:20 PM in response to efcast1

    How about taking Apple to court and sueing  ? (for a vast amount of money)

  • by Cfor,

    Cfor Cfor Apr 9, 2016 3:49 AM in response to JohnWidhalm
    Level 1 (4 points)
    Apr 9, 2016 3:49 AM in response to JohnWidhalm

    This worked, Good call : )

  • by Fort Defiance,

    Fort Defiance Fort Defiance Sep 19, 2016 1:51 PM in response to JohnWidhalm
    Level 1 (4 points)
    Sep 19, 2016 1:51 PM in response to JohnWidhalm

    I had this problem also. I had to go to my yahoo account on the web page. Under account security. mark this less secured, see next paragraph. This took care of my problem. I logged right in on the calendar. I kept getting a email that someone else was trying to login to my yahoo account. See 3rd paragraph.

     

    Allow apps that use less secure sign in

    Some non-Yahoo apps and devices use less secure sign-in technology, which could leave your account vulnerable. You can turn off access (which we recommend) or choose to use them despite the risks.

     

    email:

    Someone attempted to sign in to your Yahoo account (ronald.goodman) from an app that doesn't meet Yahoo's security standards. We blocked this sign in attempt, which was made on:

     

    Mon, Sep 19, 2016 4:38 PM EDT from United States.

     

    If you were trying to sign in, then please take one of these actions:

     

    Option 1 (recommended): Use mail.yahoo.com or the Yahoo Mail app for Android and iOS to more securely access your account.

     

    Option 2 (not recommended): If you still want to use an app that uses less secure sign in to your Yahoo account:

     

      1. Click here: https://login.yahoo.com/account/security#other-apps
      1. Turn on "Allow apps that use less secure sign in"
    1. Go back to your existing email application and sign in to your Yahoo account again.

    Using apps that don't meet Yahoo's recommended security standards may leave your account more vulnerable or less secure.

    If you did not try to sign in, then click here https://edit.yahoo.com/config/change_pw and change the password for your account.

    For more information, visit our help page at: https://help.yahoo.com/kb/sln26418.html.

    Sincerely,

    Yahoo

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