hi messagelabs
Our mail server mail.ruihesoft.com 112.65.245.173 can not send email to our customers and suppliers who use messagelabs.com this month
It maybe block by messagelabs.com
Please help
postfix log
postfix/smtp[31764]: connect to cluster6.us.messagelabs.com[216.82.251.38]:25: Connection timed out
postfix/smtp[31764]: connect to cluster6.us.messagelabs.com[216.82.249.212]:25: Connection timed out
postfix/smtp[31764]: connect to cluster6.us.messagelabs.com[216.82.242.46]:25: Connection timed out
postfix/smtp[31764]: AB0F12026C: to=<cherry.lu@autodesk.com>, relay=none, delay=105, delays=0.07/0/105/0, dsn=4.4.1, status=deferred (connect to cluster6.us.messagelabs.com[216.82.242.36]:25: Connection timed out)
postfix/smtp[32549]: connect to cluster6.us.messagelabs.com[216.82.242.36]:25: Connection timed out
postfix/smtp[639]: connect to cluster6.us.messagelabs.com[216.82.241.100]:25: Connection timed out