Hi, For the last few hours we have been having issues with messages to customers using messagelabs.com being blocked. Our email server doesn't appear to be blacklisted and all other emails are being delivered ok. Example customer with issue is crombielockwood.co.nz being delivered to cluster4.us.messagelabs.com.
Email server: mail.starinsure.co.nz
IP address: 101.98.15.169
Regards
Chris