Tutanota Email

SPF Include Tag Required

This outbound email provider uses an include mechanism to add this provider's IP space to your SPF. To get fully set up with SPF for this provider, you will need to take the provided “include” domain and add it to your SPF record. An example of an SPF record without an include tag is compared to one with the tag added below (the include tags added are denoted in bold).

Initial SPF Record:

SPF record include added:

Allows custom Return Path

This outbound email provider allows for a custom Return-Path address to be setup. A custom return path, also known as a bounce-back address, is critical to pass SPF alignment.

Supports DKIM Signing

Yes, this outbound email provider supports DKIM signing.

DKIM Setup via CNAME

This specific email provider relies on a CNAME record (or multiple records) for DKIM set up. Below is an example a typical  CNAME Record for setting up DKIM. The HOST section will typically contain a unique name followed by the domain name you are creating the record for (In the below "s1.domainkey" is the unique name followed by the domain of "yourdomain.com". The ADDRESS section will outline where mail receivers should look for a DKIM record for the domain. Both of these values are typically auto generated when you setup DKIM via an outbound email source.