Spamcop has blacklisted 18.104.22.168, which is a VM SMTP server hosted by Ziggo?
Here is the delivery failure notification:
SMTP error from remote mail server after RCPT TO:<firstname.lastname@example.org>: 550-"JunkMail rejected - smtpq5.tb.ukmail.iss.as9143.net [22.214.171.124]:59256 550 is in an RBL: Blocked - see https://www.spamcop.net/bl.shtml?126.96.36.199"
Please can you ask VM staff to investigate?
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IP Address 188.8.131.52 is no longer listed. Can you confirm the issue no longer occurs?
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Thanks. I can confirm that 184.108.40.206 is no longer blacklisted, so this must have been a transient issue.
Spamcop entries normally time out after 24 hours unless there are further hits from the same IP address.
It still might be worth the Forum Team passing this on to security though.
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