Enabling DKIM signing for your domains can help you keep your email content intact throughout the delivery process, barring threat actors from accessing and altering your emails. This helps preserve your identity and eradicate spam and phishing attacks. 

Creating DKIM Record for Tutanota

1. In order to enable DKIM for your custom email domain you have to create two DNS entries for your domain.
2. The two CNAME entries should look like the following:
   CNAME   S1._domainkey   s1.domainkey.tutanota.de

   CNAME   S2._domainkey   s2.domainkey.tutanota.de

3. Publish the records on your DNS

Steps for publishing your DKIM public key for Tutanota:

1. Login to your DNS provider’s management console as the admin
2. Navigate to the DNS records section 
3. Create a TXT or CNAME record depending on the type of DKIM record provided to you
4. Copy and paste the hostname and value
5. Save changes to your record and wait for 48-72 hours for your DNS to process these changes 

Lookup and validate the published DKIM DNS record using our free DKIM record lookup tool. Enable DMARC for your domains to protect against spoofing. Sign up for a DMARC trial today!