[MlMt] Message->Open Attachments opens attachments in Mail.app

[Steven M. Bellovin]

On 16 May 2018, at 13:58, Eric Sharakan wrote:

> Even though I have my Default Email Client set to MailMate in General
> Prefs, if I have a message open that includes other mail messages as
> attachments, when I select Message->Open Attachments, the attached message
> opens in Mail.app, not MailMate.
>
Are those .eml messages? What you have to do is save one, go to Finder,
and do File|Get Info. From there, you can select which application should
open .eml files. Check the box for "always open with this application".
After that, I *think* that email attachments should work properly.