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permanent mail delivery error from someone attempting to email my Fastmail account

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This message was created automatically by mail delivery software. This is a message a friend recieved after attempting to email my fastmail account.

Is there a way to unblock an account?


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:

 [email protected]
   host in1-smtp.messagingengine.com [66.111.4.71]
   SMTP error from remote mail server after RCPT TO:<[email protected]>:
   554 5.7.1 Service unavailable; Client host [74.81.94.162] blocked using xbl.spamhaus.org.rbl.local; http://www.spamhaus.org/query/bl?ip=74.81.94.162

This is a copy of the message, including all the headers. ------
This message was created automatically by mail delivery software. This is a message a friend recieved after attempting to email my fastmail account. Is there a way to unblock an account? 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: [email protected] host in1-smtp.messagingengine.com [66.111.4.71] SMTP error from remote mail server after RCPT TO:<[email protected]>: 554 5.7.1 Service unavailable; Client host [74.81.94.162] blocked using xbl.spamhaus.org.rbl.local; http://www.spamhaus.org/query/bl?ip=74.81.94.162 ------ This is a copy of the message, including all the headers. ------

All Replies (1)

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Ask your email provider. This has nothing to do with Thunderbird. If your provider is rejecting the message it never gets to Thunderbird.