4 ms·
Mailgun seems to be the only major mail distributor that I can't find SMTP server IPs for to add to my grey-listing.
by swills 4y ago
Mailgun seems to be the only major mail distributor that I can't find SMTP server IPs for to add to my grey-listing.
- ev1 4y agohost -t TXT _spf.mailgun.org host -t TXT _spf.eu.mailgun.org covers all of them