3 ms·
In theory the domain you set the "From:" field to will have DMARC, DKIM and SPF set up and in theory the recipient that implements those protocols will discard
by avian 4y ago
In theory the domain you set the "From:" field to will have DMARC, DKIM and SPF set up and in theory the recipient that implements those protocols will discard your mail as sent from an unauthorized server.
- chaoz_ 4y agoAnd if you don't have at least DKIM + SPF, then you will not even reach any public provider's inbox.