MacOS – set Mail to only send from one email address whatever the account

macosmail.app

I use 2 different email addresses, and I have recently forwarded one to the other.

Eventually, I'm going to root out the first address and only use the second. But right now, in the second email box, when I'm replying to an email that was sent to the first email address (the address i'm going to root out), Mail defaults to sending mail from that email address rather than from the second email address.

Is this normal behavior, or is there a way to always reply from the second email address?

Best Answer

In the Mail.app preferences you can select the outgoing Mail server.
Changing it to your preferred account should be enough.

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However, in case this is not enough you could delete the unwanted outgoing servers by editing the SMTP server list:

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