For some reason, Namecheap, my web host, is recognizing my booking confirmation emails as spam.
What can I do? I cannot send booking confirmations.
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:test-ao...@srv1.mail-tester.com
hostprod-lbout-phx.jellyfish.systems [162.255.118.36]
SMTP error from remote mail server after end of data:
554 5.7.1 Spam content detected in the message body. Reason:
JFE040001 https://www.namecheap.com/support/knowledgebase/article.aspx/10664/2216/jellyfish-error-codes/