DKIM + DMARC + SPF for Email with Microsoft Custom Domain

Protect your email with SPF (sending control) and DKIM (spoof control) –  when hosting with O365 Email.

How to use DMARC to Validate Email:

How to use DKIM to validate outbound email:

NameCheap – How do I add TXT/SPF/DKIM/DMARC records for my domain?:

Setting Up DKIM with Namecheap:

WordPress – WP Mail DMARC check:


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