4 ms·
I think it has more to do w/ SPF, DKIM, and DMARC enforcement. I think your IP becomes blacklisted simply by being reported to a blacklist.
by dillonmckay 7y ago
I think it has more to do w/ SPF, DKIM, and DMARC enforcement.
I think your IP becomes blacklisted simply by being reported to a blacklist.