Email Security.cloud

I realized that our IP is somehow totally blocked by messagelabs. Now one may say messagelabs customers manage this, but I think they do not do it in IP level and how can they un-block an IP which they do not know about? The blocked IP address is 87.251.0.19 When I look from messagelabs reputation check, it says it has good reputation and it is not blocked (irony eh?).

How can we get this fixed now?

# ping cluster8.eu.messagelabs.com
PING cluster8.eu.messagelabs.com (85.158.137.99): 56 data bytes
64 bytes from 85.158.137.99: icmp_seq=0 ttl=242 time=56.786 ms
64 bytes from 85.158.137.99: icmp_seq=1 ttl=242 time=56.799 ms
^C
--- cluster8.eu.messagelabs.com ping statistics ---
2 packets transmitted, 2 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 56.786/56.793/56.799/0.006 ms
# telnet cluster8.eu.messagelabs.com 25
Trying 85.158.140.211...
telnet: connect to address 85.158.140.211: Operation timed out
Trying 85.158.139.35...
telnet: connect to address 85.158.139.35: Operation timed out
Trying 85.158.139.51...
^C
# nslookup
> set type=mx
> gmail.com
Server: 87.251.0.18
Address: 87.251.0.18#53

Non-authoritative answer:
gmail.com mail exchanger = 5 gmail-smtp-in.l.google.com.
gmail.com mail exchanger = 10 alt1.gmail-smtp-in.l.google.com.
gmail.com mail exchanger = 20 alt2.gmail-smtp-in.l.google.com.
gmail.com mail exchanger = 30 alt3.gmail-smtp-in.l.google.com.
gmail.com mail exchanger = 40 alt4.gmail-smtp-in.l.google.com.

Authoritative answers can be found from:
gmail.com nameserver = ns2.google.com.
gmail.com nameserver = ns1.google.com.
gmail.com nameserver = ns3.google.com.
gmail.com nameserver = ns4.google.com.
gmail-smtp-in.l.google.com internet address = 74.125.206.27
alt1.gmail-smtp-in.l.google.com internet address = 74.125.205.27
alt2.gmail-smtp-in.l.google.com internet address = 74.125.68.27
alt3.gmail-smtp-in.l.google.com internet address = 64.233.189.27
alt4.gmail-smtp-in.l.google.com internet address = 173.194.72.27
ns1.google.com internet address = 216.239.32.10
ns2.google.com internet address = 216.239.34.10
ns3.google.com internet address = 216.239.36.10
ns4.google.com internet address = 216.239.38.10
> ^D
# ping gmail-smtp-in.l.google.com
PING gmail-smtp-in.l.google.com (74.125.206.27): 56 data bytes
64 bytes from 74.125.206.27: icmp_seq=0 ttl=41 time=64.128 ms
64 bytes from 74.125.206.27: icmp_seq=1 ttl=41 time=62.782 ms
64 bytes from 74.125.206.27: icmp_seq=2 ttl=41 time=62.758 ms
^C
--- gmail-smtp-in.l.google.com ping statistics ---
3 packets transmitted, 3 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 62.758/63.223/64.128/0.640 ms
# telnet gmail-smtp-in.l.google.com 25
Trying 74.125.206.27...
Connected to gmail-smtp-in.l.google.com.
Escape character is '^]'.
220 mx.google.com ESMTP i204si49696608wmd.25 - gsmtp
quit
221 2.0.0 closing connection i204si49696608wmd.25 - gsmtp
Connection closed by foreign host.
#

Hi Yurtesen,

Apologies for the delay in response. I have checked your IP (87.251.0.19) and cannot see any blocks or similar applied to it.

Are you still experiencing these issues? It so can you please provide an example of a sender and recipient (including time and date) where an email failed. This will allow me to run a search. If this could be within the last 7 days it will allow for more detailed logs to be searched.

Kind regards

Dave Parker

Principal Technical Support Engineer