Mail 6.6 no longer connects to Gmail

I use Apple Mail (I think version 6.6, whichever comes with MAC 10.8.5 on the MacBook Pro I bought in April) for accessing my Gmail accoun. Over the past weekend it stop sending out-going messages but was stil able to download and read new message; then as of yesterday I can no longer download new mail. Whenever I start the application, Apple Mail asks for my GMail password, which I type in, and then it tells me that it cannot connect.  I use IMAP settings, and in the account settings it tells me that the outgoing server is offline.
My Gmail account is functional (I have full use through the Gmail website), and I can read and send mail from my iPhone, which I believe has the same settings for the account.  Thus the issue is with Apple Mail, which suddenly stopped working.  I have yet to completely delete the Gmail account and configure it again, as I am hesitant, given that my iPhone is still working, will solve the problem.
Any suggestions would be appreciated!
Garp

WAWynkoop wrote:
I have 2 Gmail accounts and one sends out and the other doesn't. Both are getting incoming mail.
Does using SMTP or POP or some other configuration make a difference?
In reference to your specific issue, Gmail accounts can be configured as either POP or IMAP for incoming messages but the only protocol for outgoing messages is SMTP.
SMTP (Simple Mail Transfer Protocol) is the only protocol used for outgoing messages.
POP (Post Office Protocol) is for incoming messages.
IMAP (Internet Mail Access Protocol) is an alternative protocol for incoming messages
POP stores the messages on your computer while IMAP accesses messages stored on on the email server. IMAP is preferred when you access your email from several different devices such as your home computer, your office computer, your iPhone, your iPad. Wikipedia has good articles on all these different protocols if you want more information.
There are a lot of reasons why you may not be able to send from the one account including the way the account is configured at Google as well as errors in your setup of the account in Mail. Google tech support is not easy to contact but because of the range of possibilities they might be your best source for solving this issue.

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    All I want to do is connect my gmail accounts to Apple Mail.  I'm running a new Macbook Air w Mountain Lion, Apple Mail 6.5.  I can access the accounts on my ipad and iphone.  I've spent hours reading forums and help areas.
    Mail repeatedly asks for my password.  In the account settings it does not save my password. 
    I've gotten the message that Mail cannot connect to Google imap server, but I do not believe this is a "timing" issue
    Here's what I've tried:
    Apple Side:
    -  Tried adding and deleting accounts several times within mail application
    -  tried using System Preferences > Mail/Contacts etc.
    -  Changed imap.gmail.com to imap.google.com
    -  changed to custom dedicated port for outgoing mail (587)
    -  closed and relaunched Mail
    -  Rebooted and safe rebooted computer
    -  set up and deleted accounts
    -  turned off gmail on phone and ipad
    Google Side:
    -  Enabled IMAP
    -  Not using 2 step verification
    -  Checked Captcha

    If you've activated 2-step verification, you need to generate an application-specific password in your Google account and enter it in place of your old password.

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