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Mail not showing new messages in inbox

One day, I noticed that my mail.app wasn't retrieving or showing me my new messages. I have a mobileme account, which pushed and showed me new emails on my iphone but they're not showing up in my mail application. I have 3 mail accounts (mobilme, exchange, and gmail) and none are syncing but all say that they are online. There is no alert ( ! ) symbol next to any account.

Every time I try to check for new mail the Mail Activity in the bottom left corner shows 57 of 57 incoming emails (and keeps rising every day) but nothing is showing up in my inbox. It also makes the no-new-messages sound.

I control clicked each mail account on the left side panel and clicked Get Info. It showed me ALL of my new messages that it wasn't showing in my inbox but I couldn't open them and if I clicked on them, it only gave me the option to Remove From Server. So I assume it's getting all my new mail but it's now showing me in my inbox or anywhere else I can find that I have new unread messages. Also, there are no little red numbers indicated the number of unread messages on my Mail icon.

I've looked in other forums but nothing seems to be working. I tried to uncheck the SSL box and made sure the port was 110 but that just made things worse and took my exchange account offline so I undid that. Right now, SSL is checked and the port reads 995. The authentication is NTLM. I have a feeling that it might not be those connection settings that are wrong because I didn't change anything before the problem presented itself. I also tried the connection doctor (Mail>Window>Connection Doctor) and it said everything is connecting just fine.

Mail has been doing this for a month now! Please help!!!

MacBook, Mac OS X (10.5.8)

Posted on Sep 30, 2010 10:33 PM

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Question marked as Top-ranking reply

Posted on Mar 9, 2011 12:23 AM

an here is what I did to "solve" my problem:

ℹ copy ~/Library/Preferences/com.apple.mail.plist to Desktop

(ii) enter Timemachine and take a copy of ~/Library/Preferences/com.apple.mail.plist that worked

(iii) after starting Mail, it will tell you that the Library has to be fixed - which solved the problem for me

Voilà!
105 replies

Sep 22, 2011 6:31 PM in response to summer14

I tried similar solutions to no effect with an identical problem. I then did a full restore from Time Machine of my entire system back a few days to before this problem. Guess what? Problem was still there. Crazy! My iPhone 4 and iPad 2 retrieved my email fine. I used Get Info in the Mac mailbox that did not display. I saw there was a message from an "unknown user." I used the web interface on my email and I deleted a block of messages including that one. I started Mail up and it immediately began to work again. There appears to be some way that an email can be corrupted on the server and cause this problem on Mac Mail although not on the IOS devices. Anyway, if all else fails, try to see if you have a corrupted email message on your server.

Jan 26, 2012 3:49 PM in response to summer14

I had this problem and it was fixed with a call to Apple this way (which resets the Mail app and forces it to reload all data):

Double click on home button at bottom of ipad screen - this brings up a bar of apps at the bottom

Press Mail ap until it start to jiggle

Press cross on this ap to delete it

Press Home button again to go back to normal home screen and press Mail again


For me, that fixed the problem

Mar 14, 2012 3:55 PM in response to summer14

Hi there - can someone please tell me if i am to take the advice from this page (which looks great!) to fix up the disappearing mail... when i am asked to open a mac account again do i lose my existing emails?? it seems like i am starting up fresh again and i am scared to lose all of my work to date

Please let me know if anyone has an idea of this


thanks

Sue

Mar 14, 2012 4:33 PM in response to Suefromlosangeles

Dear Suefromlosangeles


It depends. The threads here seem to have wandered a bit from Mac OS to IOS used on the iPhone and iPad.


I'll assume your issue is with Mac OS running on an apple computer.


If the mail in any of your boxes does not appear "normal" or fails appear at all, start with a simple rebuild:


Select the mailbox that is acting strangely, then choose menu item "Mailbox/Rebuild."


If that doesn't work, read the suggestions of polzbertMar 9, 2011 12:23 AM and use a copy of your "com.apple.mail.plist" from a Time Machine backup that was made before your issues appeared.


Hope this helps. :-)

Mar 15, 2012 7:41 AM in response to Suefromlosangeles

Sue,


Coraggio! The "Rebuild" action in Apple Mail is quite different than the rebuild of the User Database in Entrtouage/Outloook Express. Keep in mind that these are Microsoft creations and thus fraught with disaster. :-)


Are you using Time Machine? Do you have backup? If not, backup your crucial emails and rebuild as I described before. I have never known the Rebuild command in Apple Mail to be a destructive function.


Here are a couple more tips: http://www.macobserver.com/tmo/answers/how_to_clean_up_and_rebuild_apple_mail_da ta/


Good luck and be brave.

Feb 27, 2013 8:52 AM in response to summer14

I was having the same problem as listed in the original post. Highlighting the mail account and selecting "Get Info" with a right click showed all the new messages on the server that were not showing up in my Mac mail inbox. I saw one e-mail with "sender unknown". I deleted it from the server and all my new mail showed up right after the deletion. It seems one bad e-mail on the server can mess everything up.

Apr 16, 2013 10:14 AM in response to summer14

I too have been having issues with mail not showing. In my case, it seems to be my exchange account mostly, and my IMAP ones are fine. I had figured out that rebuilding the mailbox solves it, however for me, it is a temporary fix. My mail keeps disappearing (but shows in searches) intermittently. I personally have not been able to figure out how to permanently fix this, however this is just at least a way to get around it.

Apr 16, 2013 2:50 PM in response to Charles Long

In this case, I am the admin. 🙂 The protocol over all is not what I would call buggy. There mostly seems to be issues with clients that are not Outlook. ha ha. But yes, this is my corporate account. It has only started happening recently with apple mail, and particularly on my own install. Waiting to get my hands on another mac, blow it away and see where that goes.

Apr 24, 2013 7:39 AM in response to Ramonago

Ramonago,


That's what I'd suspect as well - a glitch between Yahoo and Apple Mail. Or even more likely, a glitch in the Yahoo mail server. The SSL settings can be tricky. Some serves balk - others don't. I had a nightmarish time trying to coordinate a friend's "rocketmail" account (a subset of Yahoo, I believe) with Apple Mail. Finally I created a Gmail account and washed my hands of it.


You have an Apple ID, right? I'd create a "me.com" mali account based upon your Apple ID. I've had a "mac.com" and/or "me.com" for well over a decade and I've had very few issues. That's my paltry two cents. :-)

Mail not showing new messages in inbox

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