# What are SPF, DKIM and DMARC?

SPF, DKIM and DMARC are DNS-based standards that help receivers trust email.

## The short version

SPF, DKIM and DMARC are DNS-based standards that help receivers trust email. SPF lists which servers may send for a domain. DKIM adds a signature that proves a message was not altered. DMARC tells receivers what to do when those checks fail. Without them, more of your mail lands in spam.

## On EasyHost

Email on EasyHost is coming soon, so there is nothing to set up yet. [Learn more](/products/email).