It’s a user level block... evidenced by the fact other addresses at that domain receiving the mail.
Whatever the recipient said, it is totally on them to figure out how to receive mail they want. Laura Sent from my iPhone > On Sep 20, 2019, at 8:20 PM, Erwin <joc...@gmail.com> wrote: > > You won't get an official statement from Barracuda here, nor from me (here or > anywhere else). > > Your customer's recipient (which should be the Barracuda customer) should be > able to log in to our website and find the message in their log, and see what > the reason was for blocking. If that doesn't enlighten them sufficiently they > can ask support for more information. > > --Erwin
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