I know the solution is probably screamingly obvious BUT it eludes me nonetheless
How do I clean up the email headers for messages sent out from the site? Please see the example (attached) that one of my members forwarded to me.
A trifle inelegant to say the least. Is this a Mailgun issue?
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Ceri Shaw - AmeriCymru
updated by @adolygwr: 12/15/16 02:58:50PM