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  3. Email Delivery issues ( SPF DKIM DMARC )

Email Delivery issues ( SPF DKIM DMARC )

Are you facing Email delivery issue ?

Below are the steps to resolve the email delivery issue mainly to Gmail, yahoo Or Hotmail and any other bigger provider. 

  • Ensure domain has following entries
  1. SPF – If customer is using our shared hosting OR outgoing mail services then use below SPF

v=spf1 +a +mx +include:spf.apps.ae ~all

2. DKIM – This is another very important entry and should be enabled for customers under Shared hosting, we are working on getting this activated on POPBOX as well, for Shared hosting you will get this from cpanel->authentication option, once you enable go to DNS and get the entry which will look like below.

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqM5AzpkjGF2p9CRIo7pX0Dh8o2y/SLeZJCZRCiuJ/oSO5Ksi+CplIkTTq7cG1YdiiTtAlTg1aH6HJ3thu4RsiojbjL0QMbNINQ/ZyJS6qFQ46DqhuWmmLdUfHt+6TgR2rgWtqCR7c7Zqcf1R+tjpeP2SvgPFhKm60x5zUaXZL2CpIZGo7xvdmRGMfO/16k56ReOu07tbZsuMYDVobL5NbWpyO0kYm4XoGokuPtuXWyHq7ktKA/8JXQy3gZ+5VQyWefidRUgsUbOaSfDEX8uGZunwe8E3yaTqcNLPPETgrgaT/fO9WeLblfjWs/nKob/kxKv2URSPTZyr4Sj1ROn6SwIDAQAB\

3. DMARC – this is a new defination which is used to control the email acceptance policy. Use the below entry

v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

this should be a text record set as _dmarc TXT and above value. 

  • Once above steps are done, verification to be done as follows
  1. SPF : https://www.dmarcanalyzer.com/spf/checker/ – Enter domain name and verify, you should get confirmation
  2. DKIM : https://www.dmarcanalyzer.com/dkim/dkim-check/ – DKIM select should be default
  3. DMARC :  https://www.dmarcanalyzer.com/dmarc/dmarc-record-check/

Once you get confirmation, send test mail using Outlook go Gmail and check the header email. You should see results as below, showing SPF, DMARC and DKIM as PASS, below picture is not showing DKIM due to signature missing if available should show PASS. 

Updated on April 15, 2020

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