Eversince installed Mountain Lion, i can't receive emails from my Microsoft Exchange account!! Why is this so?

Eversince installed Mountain Lion, i can't receive emails from my Microsoft Exchange account!!
Why is this so? I don't have this problem prior to installing the Mountain Lion OS X

Have you tried 10.8.1? It includes fixes in this area. Usually the problem is if Active Directory is returning incorrect Exchange information in response to an Autodiscover request. In 10.8.1 you can manually edit this information.

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Anybody had an issues with mail since upgrading to mountain lion? Can't get emails from one account, tried deleting and recreating but to no avail. Set up a new user and it works fine. Macbook pro 13" mid 2010 model.

Anybody had an issues with mail since upgrading to mountain lion? Can't get emails from one account, tried deleting and recreating but to no avail. Set up a new user and it works fine. Macbook pro 13" mid 2010 model.

Anybody had an issues with mail since upgrading to mountain lion? Can't get emails from one account, tried deleting and recreating but to no avail. Set up a new user and it works fine. Macbook pro 13" mid 2010 model.

Have downloaded Yosemite and lost my outgoing mail settings in the process. I can still receive email from all my mail accounts but cannot send any...

I have downloaded Yosemite but lost my outgoing mail settings in the process. I can still receive mail from all my accounts but cannot send any...

Open mail
click on mail on top
click preferences
click accounts tab
scroll down to TLS Certificate
click up & down arrow and select (com.apple.idms.appleid )
It worked for me

Numbers does not open with the main user after installing mountain lion. It works flawlessly when I use the second account on my mac. What got corrupted in the admin-account, something in the user-library? How can I fix it? I´m kinda desperate...

Numbers does not open with the main user after installing mountain lion. It works flawlessly when I use the second account on my mac. What got corrupted in the admin-account, something in the user-library? How can I fix it? I´m kinda desperate... (the same happens with the other iWork-Apps!)
Looking forward to hearing from somebody with a littlemore expertise than me, Chris

you can remove preferences files by navigating to the Preferences folder for your user as follows:
0) Quit ALL iWork apps (Keynote, Pages and Numbers)
1) from the Finder select the menu item "Go > Go To Folder…". This will bring up a dialog:
2) enter the path "~/Library/Preferences" (no double quotes)
3) find the files:
com.apple.iWork.Keynote.plist
com.apple.iWork.Numbers.plist
com.apple.iWork.Pages.plist
and move these to the trash. I would NOT empty until later.
4) restart Numbers

MacBook Air late 2010 very hot after installing Mountain Lion? Can i back to Lion?

My MacBook Air, late 2010, is very hot and the vans are going too speedy after installing Mountain Lion. Can I deinstalling Mountain Lion and returno to Lion? What are the steps for this deinstallation? Thank you.

Technically, there is a way, but it is definitely not something I would recommend, as downgrading isn't usually supported/encouraged.
I found a website that has instructions but it clearly states it's not for the inexpert, so proceed at your own risk. Also, I don't think you can download Lion from the AppStore anymore?

I have installed Mountain Lion 10.8.2 but still cannot get email from my work exchange account. I'd appreciate any help. Thank you.

I have installed Mountain Lion 10.8.2 but still cannot get email from my work exchange account. I'd appreciate any help. Thank you.

You can go to the Apple online store and purcahse a copy of Mountain Lion. This will give you a redemption code, which you can use to download Mountain Lion from the App Store. Unfortuantely, I'm not aware of any other way to legally purchase it. I have never seen Apple release Muontain Lion on DVD.
In terms of Apple Service, they just need the serial number of the machine to check the purcahse date. It is usually correct, to within a few weeks. A quick Google search should give you the correct number to dial.
I hope this helps.

Updated to Mountain Lion, not I only receive emails sporadically. Thoughts?

Updated to Mountain Lion, not I only receive emails sporadically. Thoughts?

Try setting up another admin user account to see if the same problem continues. If Back-to-My Mac is selected in System Preferences, the Guest account will not work. The intent is to see if it is specific to one account or a system wide problem. This account can be deleted later.
Isolating an issue by using another user account
If the problem is still there, try booting into the Safe Mode using your normal account. Disconnect all peripherals except those needed for the test. Shut down the computer and then power it back up. Immediately after hearing the startup chime, hold down the shift key and continue to hold it until the gray Apple icon and a progress bar appear. The boot up is significantly slower than normal. This will reset some caches, forces a directory check, and disables all startup and login items, among other things. When you reboot normally, the initial reboot may be slower than normal. If the system operates normally, there may be 3rd party applications which are causing a problem. Try deleting/disabling the third party applications after a restart by using the application un-installer. For each disable/delete, you will need to restart if you don't do them all at once.
Safe Mode
Safe Mode - About
General information.
Isolating issues in Mac OS X
Troubleshooting Permission Issues
Step by Step to Fix Your Mac

I have installed Mountain Lion 10.8.1 but still cannot get email from my work exchange account. I'd appreciate any help. Thank you.

I have installed Mountain Lion 10.8.1 but still cannot get email from my work exchange account. I'd appreciate any help. Thank you.

I would delete the account and try to re-enter it. Also, you have to let your firm's IT department know that you want to sync work email on your personal devices before they actually work.

Can not receive emails from third party email accounts

Recently I started working for a small business which has small business server 2011 and exchange 2010 installed. Before I started there were eight user accounts and they all have unlimited email access. I created a few users through sbs AD and also from
exchange console a week ago. Unfortunately none of them can not receive emails from third party accounts. they all can receive internal emails and also can send mails to any email accounts internally and externally.
This is a night mare for me as new users are having trouble with communicating via mails. I have tried all the methods and now thought of posting this issue on tech net. Please help me on this!!
Thanks a lot!!
Sammy

Checklist for testing inbound email problems, I am assuming outbound emails works ok.
1. Check Port 25 forwarding on all modems routers/firewalls
2. MX Record is created and pointing to the correct Public IP Address, use MXToolbox.com to verify MX Record and test SMTP flow. Also Verify your public IP has not changed, use whatsmyip.org to check you public IP
3. If using POP Connector Service, make sure POP accounts are created properly
4. If using a 3rd party spam host, make sure they forward email to correct public IP address, use step 2 to verify your public IP.

Can't receive emails on my company's account with Yosemite

I have a Macbook Air late 2012 with 8GB memory. I recently installed Yosemite (which I already tested on beta version last summer) and the problem is the same I had with the beta version: cannot receive emails from my company's account. The server requires pwd authentication and the default on Yosemite is NTLM. When I change to Password in the advanced preferences and save it, after few minutes is NTLM again (in the meantime I don't receive emails anyway). No problem sending emails, no problem with my other accounts and no problem even with my company's account using Mavericks, which I now reinstalled. I tried to delete and recreate the account on Yosemite, no way. Does anybody have a fix?

Hello Holgerfragtnach,
It sounds like your Mail application can send emails but cannot get any new emails that come to your address. I recommend these steps from the article named:
iCloud: Troubleshooting iCloud Mail
http://support.apple.com/kb/ts4002
If you can't receive mail in OS X Mail
Locate the name of your iCloud account on the left side of the main Mail window. If your iCloud account name is dimmed and has a lightning-bolt symbol next to it, your account is offline. To bring your account online, make sure that your computer is connected to the Internet, then choose Mailbox > Take All Accounts Online. If that doesn't resolve the issue, follow these steps:
Choose Preferences from the Mail menu.
Click Accounts in the Preferences window.
Select your iCloud account from the list of accounts.
Click the Advanced tab and verify these settings:
Port: 993
Use SSL: (selected)
Authentication: either "Password" or "Apple Token"
Thank you for using Apple Support Communities.
All the very best,
Sterling

HT1277 I can send & receive email from my ipad but for some reason I can no longer do this from my i mac.It keeps telling me that the password is not valid with the imap server.I keep entering the password but it won't accept it.

I can send & receive email from my ipad but for some reason I can no longer do this from my i mac.It keeps telling me that the password is not valid with the imap server.I keep entering the password but it won't accept it.

Do you have one, two or more entries in the left colum of Mail.app for your mail server(s)? That is, do you have your Mail.app set up with either a btinternet entry, with a btyahoo entry, or both? Or more?
I'm guessing that you might have one account (btyahoo?) listed for incoming (IMAP server) mail, and with the outbound (SMTP server) mail is configured and named btinternet.
Based on what little I see posted, it looks like BT uses both btinternet and btyahoo, but I'm not exactly clear on how they have their stuff set up, and their web set gets helpful and tries to help configure my mail — I don't immediately see a single web page with the mail server set-up details. The BT email client set-up starts here.

TS4002 Help, I can't receive emails from a specific email address!

Help, I can't receive emails from a specific email address!

https://discussions.apple.com/thread/4388008
https://discussions.apple.com/thread/4742210?tstart=0

I suddenly can't receive emails from senders at a particular domain. They can receive emails from me. I haven't blocked them. Any suggestions on how to 'reopen the line' will be appreciated, thanks.

I suddenly can't receive emails from senders at a particular domain. They can receive emails from me. I haven't blocked them. Any suggestions on how to 'reopen the line' will be appreciated, thanks.

Contact iCloud support. Apple's spam filters may have detected spam coming from users on that domain and blocked all email from it.

Can't receive emails from Opera user

Can't receive emails from an Opera user (Linux based)

I had a problem initially because I was using a Wi-Fi connection instead of the EDGE AT&T network. When accessing my home Wi-Fi, I need to use the smtp settings for my Cox Internet service. (Cox won't let you send mail over their network without using their smtp server.) When I turned off my Wi-Fi on the phone, my emails sent just fine through the .mac server.
Perhaps there is some kind of similar set up at your location? Did your messages actually send or are they still in your Outbox?

Why mail can't receive email from gmail today, but yesterday was fine and yahoo is fine.

why mail can't receive email from gmail today, but yesterday was fine and yahoo is fine.

It's a risk if you're using POP3 mail. You can archive mailboxes to another location for safe keeping.
Or, just try adding new versions of the accounts without deleting the old ones (you can have duplicates, name them different so that you can tell them apart). If the new ones work, then you can just drag the mail folders from the old to the new and then delete the old.

Eversince installed Mountain Lion, i can't receive emails from my Microsoft Exchange account!! Why is this so?

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