I'm experiencing some trouble with a single recipient because his mail server refuse my email.

This is the error reply:

SMTP error from remote mail server after RCPT TO:<xxxx@xxx.xxx>:
554 5.7.1 Service unavailable; Client host [51.255.xxx.xxx] blocked using multi.uribl.com; -> Query Refused. See http://uribl.com/refused.shtml for more information [Your DNS IP:89.119.xxx.xxx]

I read the linked page http://uribl.com/refused.shtml but my server ip is not listed in this list, what should I do?

  • 1
    Are you by chance trying to send email to this guy? It's a problem on the recipient's end; there is nothing you can do but try to notify him by some other method (e.g. phone). – Michael Hampton May 3 '16 at 6:38
  • Ok I will try to contact his postmaster. Thank you. – Tobia May 3 '16 at 6:39

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