• My Mac Mail 9.3 App has some glitches. (I can't send outgoing mail & I can't change/add/delete my smart mailboxes). As for outgoing mail. I can send mail if I use Thunderbird, but I don't like that app so was hoping to fix the default app.
• Apple Mail will not delete an email. Apple Mail is unable to move the message to the Trash mailbox. This is a known bug with Apple Mail. Disable Move deleted messages to the Trash mailbox. Open Preferences. Select Accounts. Select your Account and click Mailbox Behaviors. Untick Move deleted messages to the Trash.

1. Delete Apple Mail App
2. How To Remove Email From Mail App On Mac
3. Mac Mail Delete Messages

Apple Mail will not let me delete my email and instead gives me an error.

16th March, 20176th September, 2010

Problem

When you delete an email in Apple Mail using IMAP, the following error can occur:

How to Completely Delete Mail App on Mac Part 5. People Also ReadWhy Is My MacBook Pro So Slow and What to Do about It How to Uninstall Google Chrome from Mac Sierra. An Overview of Mail on Mac. The Mail app, better known as the Apple Mail, is the default email service provider that comes with Mac devices.

Symptom

1. Apple Mail will not delete an email.

Cause

Apple Mail is unable to move the message to the Trash mailbox.

This is a known bug with Apple Mail.

Resolution

Delete Apple Mail App

Disable Move deleted messages to the Trash mailbox.

1. Open Mail.
2. Open Preferences.
3. Select Accounts.
4. Select your Account and click Mailbox Behaviors.
5. Untick Move deleted messages to the Trash mailbox.
6. Close Preferences.
7. Click Save.

Enable Move deleted messages to the Trash mailbox

How To Remove Email From Mail App On Mac

Mac Mail Delete Messages

1. Open Preferences.
2. Select Accounts.
3. Select your Account and click Mailbox Behaviors.
4. Tick Move deleted messages to the Trash mailbox.
5. Close Preferences.
6. Click Save.