How to change default outgoing mail on mac

To change the default outgoing mail account on a Mac, you can follow these steps:

Method 1: Using the Mail app

  1. Open the Mail app on your Mac.
  2. Click on "Mail" in the top menu bar and select "Preferences" (or use the keyboard shortcut Command + Comma).
  3. Click on the "Accounts" tab.
  4. Select the account you want to use as the default outgoing mail account from the list of accounts on the left side of the window.
  5. Click on the "Make Default" button at the bottom of the window.

Method 2: Using System Preferences

  1. Click on the Apple menu and select "System Preferences".
  2. Click on "Internet Accounts".
  3. Select the account you want to use as the default outgoing mail account from the list of accounts on the left side of the window.
  4. Click on the "Edit" button next to the account.
  5. In the "Account" window, click on the "Mail" tab.
  6. Select the "Default Mail Account" checkbox.
  7. Click "OK" to save the changes.

Method 3: Using the Terminal

  1. Open the Terminal app on your Mac.
  2. Type the following command and press Enter: sudo defaults write com.apple.mail DefaultOutgoingMailAccount <account_name>
  3. Replace <account_name> with the name of the account you want to use as the default outgoing mail account.
  4. Press Enter to save the changes.

Note: You may need to restart the Mail app or your Mac for the changes to take effect.

It's also important to note that if you have multiple email accounts set up on your Mac, you can also specify which account to use as the default outgoing mail account for each app or service. For example, you can set a different default outgoing mail account for Safari or other apps that use the Mail app.