added fidei.email service provider

Add domains for uclive.ac.nz addresses.
These are undergrad (and maybe other) addresses for
the University of Canterbury (https://canterbury.ac.nz/).

add mac alternative domains
(@mac.com/@me.com)
these are legacy domains that
mac used to use which have been
merged into icloud

for more info see:

https://support.apple.com/en-us/HT201771
https://getmailspring.com/setup/access-mac-com-via-imap-smtp

also add ucsc.edu, which like the other uc's uses
google

Signed-off-by: Nicolas Serafini <serafini.nicolas@gmail.com>

These might need STARTTLS explicitly disabled in the msmtp config file though