Mail cannot connect to account on my iMac

Mail was working fine until my mail provider at optusnet reported that my mailbox had reached 100%.
After I deleted all the email in my optusnet account I couldn't connect to my account on my Apple iMac.

Make sure you can still get into it on the web. Make sure the account still exists.
look up the correct server settings for them in Google search.
Backup if you have any On my Mac folders.
Delete the account. (Mail, Accounts, "-" )
Restart Mail
Add the account back. But when you type the Address and Password, instad of hitting Create, hold down alt key and hit Next.
Check the settings while you add the account back.

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Mail cannot connect to account....

i keep getting this message sometimes a couple times a day ?
"mail cannot connect to account ..."
and i have to re enter my password everytime?

Sometimes this problem can be cured by tidying up the Keychain, where login info is stored. You can do this by opening Keychain Access in your Utilities folder. Find the location and login info for the mail account. Delete, say, all but the most recent one. Does that fix the problem? If not, go back and delete even the recent one. When Mail asks you for your login stuff, give it, then check the box which says to store it in the keychain. Sometimes just doing this last step is enough to clear up the annoying login windows.
charlie

Mail cannot connect to account, please enter password, problem

Since I have upgraded, I keep getting this pop up box in Mail on my Mac, Mail is workinhg fine on my iPad, but when I try and take the accounts online it just says it cannot connect, please enter password.
Any ideas as I am fairly new to Apple devices.

Thanks done that and it wasn't resolving the issue.
But,
I have sussed it out, Mail was using the wrong server address and I never noticed, I had to manually add the accounts instead of mail automatically finding the info and adding them.
Thanks

Trying to send using Apple mail program after installing Mavericks; Keep getting box "iCloud Cannot connect to account iCloud". Entering password restores mail but why should I have to do this?

Trying to send mail via Apple's email program (not iCloud off web page) after Mavericks show pane "iCloud cannot connect to account iCloud". Entering p/w restores mail but why should this be happening?

While I am no fan of Best Buy and would not buy a lightbulb from them I doubt you issues have anything to do with your iMac and more to do with your lack of experience and simply getting bad advice. Judging by you post I suspect you have loaded your computer down with a lot of crapware and that has caused it's problems. For example running antivirus apps on a Mac not only is a waste of time, it's a waste of money, system resources and will eventually create more problems that it solves. Please begin educating yourself on the subject by reading Thomas Reeds articles on the subject, Thomas is a frequent and knowledgeable contributor to these forums. You can find his webpage at http://www.reedcorner.net/tech-guides/
The good news is here are absolutely no, zero, zippo viruses for OS X. There are other types of malware available (for example trojans) however they differ greatly from viruses in that the use has to download and install them, whereas viruses do not work that way. OS X is not like MS Windows and is extremely secure.
My suggestion at this point would be to clean your computer of the crapware (including antivirus apps) however before doing so please download and install EtreCheck and post its report. Then we can see how your computer has been configured and begin to give you some advice on the next steps.

Mail program can't connect to iCloud. Keep getting pane saying iCloud cannot connect to account. Having to put in password each time. Doesn't affect iCloud mail web page just Apple mail program.

Keep getting pane in Apple mail program; iCloud cannot connect to account iCloud. Have to put in password in order for mail to work. Does not affect iCloud mail off the webpage, just Apple mail proram??

Keep getting pane in Apple mail program; iCloud cannot connect to account iCloud. Have to put in password in order for mail to work. Does not affect iCloud mail off the webpage, just Apple mail proram??

I updated to mountain lion and now mail cannot connect to my server

I updated to mountain lion and now mail cannot connect to my server. It says check your user name and password are correct. Well they are, and were. Nothing has changed except the mac OS.
Has anyone else suffered this and knows a way around it? Too annoying to log into my mail every 15mins via a web page anymore.
Efforts tried to resolve this so far:
retyped user name and password, removed account and created a new account, restarted computer, software update, searched forums. so far all have proved unsuccessful.
I have also written to my mail provider and am waiting for feed back from them, but if anyone has any advice it would be gratefully received.
Many thanks,
Mike

Many users upgrading to Mountain Lion have run into this problem, myself included. You likely have corrupted settings for your "Outgoing Mail Server (SMTP)" for each of the failed Accounts. Open Mail>go to Mail's Preferences>Accounts>select an Account in the left column to work on>then set up your Outgoing Mail Server which will INCLUDE resetting up your Password, as its asking you to. Click on "SMTP Outgoing Mail Server" near the bottom of the Accounts window while your mail account is highlighted in the left hand column. When you click on SMTP... you will see a drop down box icon offered at the right side of the line. Click it and then select at the bottom of the the list "Edit SMTP Mail Server". Fill in the required settings for your ISP mail account using their recommended settings.

I keep getting the message "mail cannot connect to the server-." when it clearly can and does. How do I prevent these messages from appearing?

See the title
I keep getting the message "mail cannot connect to the server…." when it clearly can and does. How do I prevent these messages from appearing?
help

On your iPad or a Mac?
You posted in the iMac community but your profile indicates an iPad 2.

Cannot connect using FaceTime on my IMAC with an iPhone 5

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sry, but you posted this in the wrong forum
this is the PowerPC forum, which is for machines built before about 2001.
post it in the INTEL forum

My PC can connect to the airport extreme but with encryption it cannot connect to the internet my iMac has no issues, any help.

My PC can connect to the new airport extreme I just purchased but with encryption it cannot connect to the internet my iMac has no issues. If I open the airport exteme up and provide no security everything is fine which leads me to believe it is something with the encryption between the two devices. Not sure what step I'm missing here this shouldn't be this difficult.

Sorry, I should have been more clear. I am asking if the DNS IP addresses, not the IP addresses assigned by the DHCP service, are the same. DNS is like the Internet's version of the Yellow Pages. Your ISP typically will provide them to you or you can elect to use those provided by another source, like OpenDNS.
DNS is the service that translates a website's URL to its actual IP address so that you can access it. I am just trying to rule out that the PC is not configured properly with the correct DNS IP information.
The other thing to check is if the PC is configured to use a Proxy service. By default, it would not be.
Finally, what is the make & model of the PC. More importantly, if the PC is using either a PCI or USB wireless adapter, what is its make & model?

I cannot connect with facetime in my imac. Why?

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HT204053 i cannot connect the icloud with my Imac

i cannot connect the icloud with my Imac

Go to System Preference and click 'iCloud'. Then, just login with your apple account and click on items you want to activate. (like mail, notes, and photo stream)

Setting up work exchange email, getting message cannot get mail, cannot connect to server. Why

Setting up email on exchange, and getting message cannot get email, cannot connect to server. Why, my other email on the exchange is working with no issues

Hello Retski,
The article linked below provides some useful information and troubleshooting steps that can help get the affected Exchange account working.
iOS: Troubleshooting Mail
http://support.apple.com/kb/TS3899
Cheers,
Allen

Mail cannot connect to iCloud - restart every time necessary

Hello,
I have problem with iCloud and Mail. I have a MacBook Air and I always shut down my computer by putting down the screen.
Since a few weeks, whenever I restart the computer by putting up the screen, the Mail-App cannot connect to iCloud. It can connect to another exchange-mail server. I have to close Mail and reopen it again to get my mails from iCloud.
Does anyone knows a fix?
Best,
Matthias

In System Preferences > iCloud > uncheck sync to Mail.
If you have other email account go to System Preferences Internet Accounts and uncheck sync to Mail
Go to your User's Library. How to view the User’s Library folder
1) Go to Containers in the User's Library folder. Delete the com.apple.mail folder.
2) Go to the Mail folder. Rename the Mail folder to MailXX
3) Go to Preferences in the User's Library folder.
If you find any com.apple.mail.plist files, delete these.
Log out under the Apple in the Menu bar
Log in
Open Mail. It will open in an empty Mail with no accounts. Add one account at a time and verify before adding a second email account.
Let me know if this helps. If you have messages saved under "On My Mac" we can import those into the new Identity. We'll go over those detail after we get your iCloud account working.
We can rename MailXX to revert if needed.

Mail cannot connect to server

Mail isn't connecting to server

iOS: Unable to send or receive email
http://support.apple.com/kb/TS3899
Can’t Send Emails on iPad – Troubleshooting Steps
http://ipadhelp.com/ipad-help/ipad-cant-send-emails-troubleshooting-steps/
Setting up and troubleshooting Mail
http://www.apple.com/support/ipad/assistant/mail/
Using a POP account with multiple devices
http://support.apple.com/kb/ht3228
iOS: Adding an email account
http://support.apple.com/kb/HT4810
iOS: Setting up an Outlook.com, Hotmail, Live, or MSN email account
http://support.apple.com/kb/ht1694
iPhone, iPad, iPod touch: Microsoft Outlook 2003, Outlook 2007, Outlook 2010 may not display contacts and calendars after sync
http://support.apple.com/kb/TS1944
Server does not allow relaying email error, fix
http://appletoolbox.com/2012/01/server-does-not-allow-relaying-email-error-fix/
Why Does My iPad Say “Cannot Connect to Server”?
http://www.ehow.co.uk/info_8693415_ipad-say-cannot-connect-server.html
How to Delete Email on the iPad
http://ipad.about.com/od/iPad_Guide/ss/How-To-Delete-Email-On-The-Ipad.htm
How to Mass Delete Emails from iPhone and iPad Inbox (with video)
http://suiteminute.com/how-to-mass-delete-emails-from-iphone-and-ipad-inbox/
How to add, send and open iPad email attachments
http://www.iskysoft.com/apple-ipad/ipad-email-attachments.html
How to Sync Contacts with Your iPad Using iTunes
http://www.dummies.com/how-to/content/how-to-sync-contacts-with-your-ipad-using- itunes.html
iOS: ‘Mailbox Locked’, account is in use on another device, or prompt to re-enter POP3 password
http://support.apple.com/kb/ts2621
iCloud: Create a group and add contacts to it
http://support.apple.com/kb/PH2667
eMail Groups - You can use a third party app that many users recommend.
MailShot - https://itunes.apple.com/us/app/mailshot-pro-group-email-done/id445996226?mt=8
Group Email - https://itunes.apple.com/us/app/mailshot-pro-group-email-done/id445996226?mt=8
iPad Mail
http://www.apple.com/support/ipad/mail/
Configuration problems with IMAP e-mail on iOS with a non-standard SSL port.
http://colinrobbins.me/2013/02/09/configuration-problems-with-imap-e-mail-on-ios -with-a-non-standard-ssl-port/
Try this first - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
Or this - Delete the account in Mail and then set it up again. Settings->Mail, Contacts, Calendars -> Accounts Tap on the Account, then on the red button that says Remove Account.
 Cheers, Tom

Downloaded ios7.0.4 and e-mail cannot connect to server

Why can't I get my yahoo e-mail. Please help.

iOS: Unable to send or receive email
http://support.apple.com/kb/TS3899
Can’t Send Emails on iPad – Troubleshooting Steps
http://ipadhelp.com/ipad-help/ipad-cant-send-emails-troubleshooting-steps/
Setting up and troubleshooting Mail
http://www.apple.com/support/ipad/assistant/mail/
Server does not allow relaying email error, fix
http://appletoolbox.com/2012/01/server-does-not-allow-relaying-email-error-fix/
Why Does My iPad Say "Cannot Connect to Server"?
http://www.ehow.co.uk/info_8693415_ipad-say-cannot-connect-server.html
iOS: 'Mailbox Locked', account is in use on another device, or prompt to re-enter POP3 password
http://support.apple.com/kb/ts2621
The iPad's Mail app has no provisions for creating groups. However, you can use a third party app that many users recommend.
MailShot - https://itunes.apple.com/us/app/mailshot-pro-group-email-done/id445996226?mt=8
Group Email - https://itunes.apple.com/us/app/group-email!-mail-client-attachments/id380690305 ?mt=8
iPad Mail
http://www.apple.com/support/ipad/mail/
Configuration problems with IMAP e-mail on iOS with a non-standard SSL port.
http://colinrobbins.me/2013/02/09/configuration-problems-with-imap-e-mail-on-ios -with-a-non-standard-ssl-port/
Try this first - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
Or this - Delete the account in Mail and then set it up again. Settings->Mail, Contacts, Calendars -> Accounts Tap on the Account, then on the red button that says Remove Account.
 Cheers, Tom

Mail cannot connect to account on my iMac

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