Remote Server returned ‘550 five.7.520 Message blocked simply because it includes content material identified as spam. AS(4810)’
Some thing in it seems to be spam. Possibly simply because of the topic and that it is getting forwarded.
>> Content material-Variety: application/ms-tnef name=”winmail.dat”
It seems you are sending this from outlook desktop and the message format is RTF. Sending as HTML could possibly assistance.
If you are making use of outlook desktop software program, see
If you are making use of outlook on the internet, delete the address from the autocomplete list.
Outlook Sources: https://www.slipstick.com
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** DO NOT Get in touch with telephone numbers received in e-mail notifications.**