Thread: spamrl
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Old 24 May 2018, 12:06 AM   #2
BritTim
The "e" in e-mail
 
Join Date: May 2003
Location: mostly in Thailand
Posts: 2,625
The message should mean that fastmailusercontent.com is on the Spamhaus DBL (domain blocklist). However, I just did a check at https://www.spamhaus.org/lookup/ and that domain is not on the DBL. I suggest retrying the sending of your message. I suspect it was a short term issue (possibly even an error by Spamhaus). If the message is still failing, open a support ticket.
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