

Check out How to Setup your Mac Mail client if you need help with the configuration settings. The first step involves the setup of your mail client. Troubleshooting the Can’t Verify the Server with Mac or Apple Mail Steps to setup Trust for Self-signed Certificate This tutorial will walk you through the steps needed to make sure that your secure settings will work and your self-signed certificate is saved on your computer so that you don’t have to continually confirm the identity of your mail server. The error “Mail can’t verify the identify of the server xxxxxx” often appears when working with the secure (SSL) settings for your mail client (where “xxxxxx” is the name of your server). The main thing that we are addressing in this article is the verification of the mail server during setup. Outgoing: Server=, Port=465, Security=SSL/TLS, Authentication=OAuth2Nothing is more frustrating for new (or old) Apple users than trying to get the Apple mail client working properly during it’s initial setup. Incoming: Server=, Port=993, Security=SSL/TLS, Authentication=OAuth2 I tried all the suggested fixes on the forum, including changing Port, Security, and Authentication settings, changing Authentication to normal password-but always get the same login failure message. Probably wrong configuration, username, or password" and then the message "Unable to login at server. I've tried removing and reinstalling the account, which it shows being installed with these specs: If the mail server is unable to verify the sender address. This issue is fixed in Version 2003 Build 12624.20382. When you go to choose the Allow button, its greyed out and not possible to proceed.

For a user to be able to send a mail through a cPanel/WHM server, the sending email address should be present and active in the server. When you add a Gmail account to Outlook you are prompted to Allow or Deny Microsoft Apps & Services.

The ‘Sender Verify’ or ‘Callback Verification’ is an antispam feature in mail servers. I've tried uninstalling and reinstalling Thunderbird. Email account doesn’t exist or cannot be detected.

The gmail account still exists and I can still can read, send, and receive emails through Gmail itself. Three weels ago, ONE of those accounts-the most critical-began getting an authentication failure error. Outgoing: Server=, Port=465, Security=SSL/TLS, Authentication=OAuth2 For over a year, I've been successfully using Thunderbird to access 5 different gmail accounts in the form all with the following settings:
