06-Jan-2026 -- 12:29 -- Sebastian Hagedorn: >> 1. How does MM handle old emails sent to me? Are those decrypted on receive >> and then stored unencrypted? Does MM need to have access to the expired >> certificate? > > The latter.
Thanks for confirming, that's what I expected.
>> 2. How does MM select the appropriate certificate? Do I have to delete the
>> old one? Does MM only search for a valid one?
>
> There a multiple ways. You can use Keychain Access to choose the valid one,
> or you can enter it into MailMate's Security.plist:
>
> {
> map = (
> {
> address = "[email protected]";
> serial = "25 0E 3A 33 6D 11 4C 0E A2 FD F6 AD 6A 36 A5 FB";
> },
> );
> }
Thanks again.
I used the Keychain Access way (for reference: right-click certificate, New
Identity Preference). So, this email should already use my newer certificate.
One question regarding the .plist file. I see some use the format as you
posted, and some are XML files. Is there any rule that format MM expects, or
are both valid?
--
Robert M. Münch
smime.p7s
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