From our organisation mails are not going to hotmail but others are ok..Last week we are in a blacklist and once clear from blacklist still hotmail outgoing mails not working ..
Bounce back message below..
Delivery has failed to these recipients or distribution lists:
An error occurred while trying to deliver this message to the recipient's e-mail address. Microsoft Exchange will not try to redeliver this message for you. Please try resending this message, or provide the following diagnostic text to your system administrator.
The following organization rejected your message: [188.8.131.52].
Diagnostic information for administrators:
Generating server: irn2.bcci.bh
[184.108.40.206] #<[220.127.116.11] #5.0.0 smtp; 5.1.0 - Unknown address error 550-"SC-002 (COL0-MC2-F37) Unfortunately, messages from 18.104.22.168 weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to (delivery attempts: 0)> #SMTP#
Please assist me
Here are some suggestions. Just keep in mind that this isn't a Hotmail support forum.
--- Rich Matheisen MCSE&I, Exchange MVP