Set up DKIM

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How to set up DKIM

 

With these instructions, we will show you how to set up DKIM. DKIM protects your domain from misuse by third parties. In addition, the receiving server can check whether the message actually originates from you.

 

Step 1: Log into Plesk and open “Email Settings”(1).

 

 

 

Step 2: Then activate “DKIM spam protection system for signing outgoing e-mail messages”(1).

 

 

 

Step 3: Then tap on “Configuration of the external DNS”. First copy “default._domainkey.domainname.ch” [2] and then paste it into the DNS Manager under step 4+5 and then copy everything from “v=DKIM” to the last character. On the picture, the last characters would be, for example: ….AQAB;”.

 

 

 

Step 4: Now go to “DNS entries”.

 

 

 

Step 5: Press “Add entry” (1). For the name, enter what you copied first. Then select “TXT” for TYPE and “600” for TTL. Finally, you have to insert everything in RDATA where you copied it second (3). The entry must now look like the one on the screenshot. Then click on “Add entry” (3).

 

 

 

 

Step 6: This is what it should look like(1). Then click on “Save changes”(2).

 

 

 

 

Step 7: Now you have to adjust the DMARC entry and change “adkim=r” to “adkim=s”.

 

 

 

Step 8: Now you have set up DKIM. Now check the transmission. In the header of the recipient, DKIM= pass must now be entered. Here is an example:

 

 

 

 

 

 

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