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Fix authentication error sending to Gmail (cPanel)

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Recently, there were changes made by Google which are causing issues sending to their servers. If you are having trouble sending to a Gmail address, confirm if the below error is similar to the one you received:

If this is the error you are receiving in the bounce back email, you may fix this by following these steps

First you need to login to cPanel

Once you are logged in, click on “Authentication” which is found under the “Email” section:

Enabled DKIM:

Below the SPF section, click the “Add” option next to “Include List (INCLUDE)

Enter “” as shown in the image then click OK

It should look like this once you entered that record

Now you can enable the SPF option

You should be able to send to Gmail addresses within a few minutes.

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