The Trinity of Email Protection: Lessons Learned using DMARC, DKIM and SPF in Office 365

I am a big fan of DMARC and its ability to easily determine which messages sent as, and from, your SMTP domains are using authenticated and authorized servers. The A in DMARC actually stands for “authentication”, but it’s really a little of both. Regardless, it’s something I highly recommend and if you are using Office365/EOP, there is … Continue reading The Trinity of Email Protection: Lessons Learned using DMARC, DKIM and SPF in Office 365