Hello support,
I've noticed that probably your servers blocking connections from our servers. Our clients can not send messages to email accounts in domains supported by you. I was trying initiate connection on port 25 but every time is refused or timeout.
IP : 213.184.28.29
telnet -b 213.184.28.29 cluster8.eu.messagelabs.com
Trying 85.158.137.99...
telnet: connect to address 85.158.137.99: Connection refused
Trying 85.158.140.211...
telnet: connect to address 85.158.140.211: Connection refused
Trying 85.158.139.35...
telnet: connect to address 85.158.139.35: Connection refused
Trying 85.158.137.3...
telnet: connect to address 85.158.137.3: Connection refused
Trying 85.158.140.195...
telnet: connect to address 85.158.140.195: Connection refused
Trying 85.158.139.51...
telnet: connect to address 85.158.139.51: Connection refused
Trying 85.158.137.19...
telnet: connect to address 85.158.137.19: Connection refused
Trying 85.158.139.19...
telnet: connect to address 85.158.139.19: Connection refused
IP 213.184.31.73
telnet -b 213.184.31.73 cluster8a.eu.messagelabs.com 25
Trying 85.158.139.103...
telnet: connect to address 85.158.139.103: Connection timed out
Trying 216.82.251.230...
telnet: connect to address 216.82.251.230: Connection timed out
IP : 213.184.28.39
telnet -b 213.184.28.39 cluster8.eu.messagelabs.com
Trying 85.158.139.19...
telnet: connect to address 85.158.139.19: Connection refused
Trying 85.158.137.19...
telnet: connect to address 85.158.137.19: Connection refused
Trying 85.158.139.51...
telnet: connect to address 85.158.139.51: Connection refused
Trying 85.158.140.195...
telnet: connect to address 85.158.140.195: Connection refused
Trying 85.158.137.3...
telnet: connect to address 85.158.137.3: Connection refused
Trying 85.158.139.35...
telnet: connect to address 85.158.139.35: Connection refused
Trying 85.158.140.211...
telnet: connect to address 85.158.140.211: Connection refused
Trying 85.158.137.99...
telnet: connect to address 85.158.137.99: Connection refused
IP : 213.184.31.91
telnet -b 213.184.31.91 cluster8.eu.messagelabs.com
Trying 85.158.137.99...
telnet: connect to address 85.158.137.99: Connection refused
Trying 85.158.139.19...
telnet: connect to address 85.158.139.19: Connection refused
Trying 85.158.137.19...
telnet: connect to address 85.158.137.19: Connection refused
Trying 85.158.139.51...
telnet: connect to address 85.158.139.51: Connection refused
Trying 85.158.140.195...
telnet: connect to address 85.158.140.195: Connection refused
Trying 85.158.137.3...
telnet: connect to address 85.158.137.3: Connection refused
Trying 85.158.139.35...
telnet: connect to address 85.158.139.35: Connection refused
Trying 85.158.140.211...
telnet: connect to address 85.158.140.211: Connection refused
Could you check and unblock out IPs ?
Kind regards
Andrzej Zielinski