Hello, One of my customers tries to send me emails and the bounce back as spam. blow is the NDR message This is the mail system at host mx496501.smtp-engine.com. I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to postmaster. If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system <xxxxxxxxxxxxxxxxxxxxx>: host mx.avasin.plus.net[18.104.22.168] said: 552 Spam Message Rejected (in reply to end of DATA command) The client is definitely not a spammer Please let me know what other info you might need. Peter
Hi Peter, Ask them to send the email to a non Plusnet address you have and send me a private message containing the content of that email and the headers. I should be able to work out from there what the problem is.
Bob Pullen Plusnet Product Team If I've been helpful then please give thanks ⤵