Email Domain Authentication: Common Mistakes In Email Authentication

Last Updated: May 03 2019 11:35 am UTC

There are several common mistakes which occur while a domain is being authenticated; therefore, we have decided a couple of tips in this article to help you avoid them.

Exclude "www." when adding a domain

While the website truly is, when authenticating, add only this part of the domain - ''''. If you will add ''www'' in front of the domain, and  then click on the "Add records" button, authentication won't work.

Add only:

Exclude spaces or additional symbols for DKIM record

In some cases when a TXT value for DKIM is added, it can contain spaces. Always make sure that the record for insertion doesn't have any spaces. Sometimes host panels tend to add additional symbols like '' '', if you see that these symbols or any other symbols are added please delete them, so authentication would be correct.

Check several TXT name options for DKIM

When adding a TXT name please check and try several combinations of the name. Every host panel is different, therefore they have mismatched settings for the TXT name.

For example, a DKIM name can be added in these ways:

  • Full entry:
  • Entry without a dot at the end:
  • Entry without a domain: mg._domainkey.
Note: Every host panel is different, therefore you need to try several options to authenticate the domain

Make sure only one SPF record is added

This is a very common mistake, as most companies have authenticated their domain with other services as well. All SPF records must be combined into one record. When authenticating a domain with another service, their SPF records have to be integrated with the existing SPF record.

For example, you already have a SPF record:
v=spf1 mx ptr ~all

Now you need to add a second SPF record. The combination of two should look like this:
v=spf1 mx ptr ~all

Here you can learn more about combining SPF records.


Use Validators to check added records

DKIM and SPF validators can help you confirm if the authentication has succeeded or whether it has some kind of errors.

We suggest these validators:

DKIM validators:

SPF validator:

DNS Verification

Note:: You can check our support article  What Should I Do If Domain Authentication Is Not Verified? for additional information about validation.

If you are still experiencing any troubles with your domain authentication please contact your account manager or our support team.

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