When I email a user I get the following message back from my mail server
"You do not have permission to send to this recipient. For assistance, contact your system administrator.
#5.7.1 smtp;554 5.7.1 Service unavailable; Sender address blocked using bogusmx.rfc-ignorant.org; Domain has demonstrably bogus MX records>"
The user can email me, when I "reply" I get the same error. I could email them a few months ago.
From googling it it may be a problem with their ISP not allowing reverse lookups. Is there anything I can do on my end to resolve it?
Appreciate any assistance.
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