IP Delist request

Hi,

We are getting the below error while sending email to the domain -MVEP.HR.

Reporting-MTA: dns; cmx-mtlrgo002.bell.net
Received-from-MTA: dns; cmx-torweb007.bellmx-prd.synchronoss.net (192.168.0.22)
Arrival-Date: Wed, 3 Jul 2024 07:09:42 -0400

Final-Recipient: rfc822; CROCONSULATE.MISS@MVEP.HR
Action: Failed
Status: 5.1.1 (bad destination mailbox address)
Remote-MTA: dns; mail.mvep.hr
Diagnostic-Code: smtp; 550-Sophos Anti Spam Engine has blocked this Email because the sender IP\r\n550 Address is blacklisted.

Sending domain- sympatico.ca, bell.ca

Our Outbound IPs-

209.71.208.25

209.71.208.11

209.71.208.12

209.71.208.13

Please check and remove the block on the IP and domain,

Regards,
Bikash 
Openwave Support