Brent,



You need to see the header of one of the messages this subscriber is attempting to send to your list.



Have the subscriber send a test message to your list and bcc you that message. That way you can confirm if the From is the same as the address the subscriber subscribed from.



On May 18, 2016, at 11:00 AM, Brent Hetland <[log in to unmask]<mailto:[log in to unmask]>> wrote:



Hi All,



I have one user who was just added to a list and has tried to post one email message to the list.

The user received an email from ListServ telling them that it was rejected because they are not authorized.

The message in the listserv log was the generic message below (I’ve changed the email addresses for privacy):