1

The outgoing mail server has a field for a custom port number, but I don't see one for the incoming mail server (IMAP). Is there a way to set it?

I'm testing an email server. I know this is not something one does normally.

Mail 11.4, macOS 10.13.5.

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  • Don't think you can in mail.app, have you tried Thunderbird (by Mozilla)? – Steve Chambers Jul 2 '18 at 21:27
5

Uncheck "Automatically manage connection settings" below the "Host Name" field. The port number field should appear.

screen capture

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