mailgun error - The parameters passed to the API were invalid. Check your inputs!

when I add Mailgun API to my system, this have an error

The parameters passed to the API were invalid. Check your inputs!
 
Last edited:

twisted1919

Administrator
Staff member
@tannguyentee - make sure you generate a new key from scratch and use that. Delete this existing one as it has been visible on the forums for a while. if the error persists, contact mailgun, maybe they can help since this looks like an account issue.
 

Ahnaf

New Member
Yes, that was problem of free account of Mailgun, I have upgraded to their paid plan.
Now facing another problem, campaign attachment is not saving. Please help me to solve this attachment issue.
 
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