Mandrill is created by Mailchimp and it is a service used to send transactional emails. In order to help with your mail deliverability Madrill requires that every domain that you use for sending emails is configured correctly.

SPF

In order to allow Mandrill to send authenticated emails on your domain’s behalf you will have to include them as part of your SPF record. 

The SPF mechanism used by Mandrill is:

include:spf.mandrillapp.com

Mandrill use their own domain as part of the Return-Path address (used by SPF) and hence SPF alignment would not occur. However, this can be modified as per the article below.

For more information please click on the button below.

DKIM

To setup DKIM you will need to add a new TXT record in your DNS.

The name for the TXT record should be: mandrill._domainkey.yourdomain.com
You should replace “yourdomain.com” with the domain you are setting up.

The value for the TXT record should be one of the two options below depending on the DNS provider that you are using.

With Semicolons escaped:

v=DKIM1\; k=rsa\; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB\;

Without semicolons escaped:

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;

After you have added the required DNS records, you can use the Test the DNS Settings button in your control panel to make sure that everything that you have added has a green checkmark. Please allow 24-48 hrs for the DNS changes to take affect. 

For more information on how to setup DKIM please click on the button below.

Create a free OnDMARC account to test your configuration.

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