Apple - Support - Mail - Troubleshooting Assistant - Issue Sending Mail: Dimmed Send Button

Welcome

If you are unable to send a properly addressed mail message because your Send button is dimmed and disabled, this troubleshooting assistant can help.

Begin

Open Mail Connection Doctor

In Mail, choose Window > Connection Doctor.

Look for a green dot next to Connection Status at the top of the window. If you don’t see a green dot there, click the Network Diagnostics button and follow the instructions. An Internet connection is necessary to send and receive mail.

Next, find the affected email account that has a green dot and says "Connection and login to server succeeded." Double-click the affected email account to open its settings in Mail Preferences.

In Mail > Preferences > Accounts, make sure the Outgoing Mail Server (SMTP) pop-up menu is set for the proper SMTP account and not None.

If needed, our Mail Setup Assistant can help you find the correct SMTP settings for most email accounts.

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If you are still unable to send mail, try the following options:

For more advanced troubleshooting, please see this article.
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Issue sending mail: Dimmed Send button

Welcome

Open Mail Connection Doctor

Set Outgoing Mail Server

If you are still unable to send mail, try the following options:

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