Unable to send emails from Gmail

Good morning-

Wondering if anyone could help me diagnose the attached picture error when I try to send an email from my domain email to my personal. I’ve made no changes to my domain email or DNS settings recently. Thanks for your time and any assistance is greatly appreciated.


B. Manuel

Additional comment: neither email is new and sending between emails has not been a problem since I established the domain email last year. Thanks.

You sent email from, that IP address is not covered by mailgun.org in your SPF record…

You also have both Google and Mailgun listed to receive mail for your domain in MX records. It should be one or the other, not both.

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