SPF error message when using own e-mail server

Are you using our email filter from SpamExperts/filtermail in combination with your own email environment? Then people sending e-mail to your domain may see an SPF error message. That error message is similar to the one below:

H=server5.filtermail.eu []
X=TLS1.2:ECDHE-RSA-AES128-GCM-SHA256:128 CV=no F= rejected RCPT :
SPF: is not allowed to send mail from jouwdomein.nl:
Please see http://www.open-spf.org/Why : Reason: mechanism

What’s going on

There is an SPF check on the e-mail environment to which e-mail for yourdomain.nl is forwarded. That won’t go well because that e-mail environment will perform SPF checking in conjunction with the last “hop” in the e-mail path, our e-mail filter. And our email filter is obviously not authorized to send email on behalf of the domains sending email to yourdomain.nl.

Also read: What is an SPF record and why do I need it?

How do I fix this

To resolve this SPF error message, disable the SPF check on your own e-mail environment. SPF checking will still be performed on our email filter as much as anything else. SPF control should not be disabled within our SpamExperts email filter.


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