S/MIME, ability to upload more then one S/MIME certificate

Currently, every Mailbox can only upload one S/MIME .p12 or .pfx file.

If a User use personas and have similar domains for outgoing mails, they can’t be encoded or signed with S/MIME.

[email protected]

[email protected]

[email protected]

It should be able to add more than one S/MIME certificate, for each outgoing E-Mail account / persona