I have issues with connect from my mail server to servers *.messagelabs.com

I need a solution

Hi! When i try to connect to some you servers i get timeout error. 

When i try connect to cluster8.eu.messagelabs.com i can connect to server with ip 46.226.* but when i try to connect to ip 85.158.* i get error:

# nmap 85.158.142.104 -p 25 -P0

Starting Nmap 7.01 ( https://nmap.org ) at 2018-07-12 01:22 MSK
Nmap scan report for mail229.messagelabs.com (85.158.142.104)
Host is up.
PORT   STATE    SERVICE
25/tcp filtered smtp

Nmap done: 1 IP address (1 host up) scanned in 2.09 seconds

# nmap -p 25 46.226.53.56 -P0

Starting Nmap 7.01 ( https://nmap.org ) at 2018-07-12 01:23 MSK
Nmap scan report for mail308.messagelabs.com (46.226.53.56)
Host is up (0.084s latency).
PORT   STATE SERVICE
25/tcp open  smtp

Also i can’t connect to cluster1.us.messagelabs.com.

# nmap -p 25 -P0 67.219.250.96

Starting Nmap 7.01 ( https://nmap.org ) at 2018-07-12 01:24 MSK
Nmap scan report for mail320.messagelabs.com (67.219.250.96)
Host is up.
PORT   STATE    SERVICE
25/tcp filtered smtp

Also with cluster1a.us.messagelabs.com.

# nmap -p 25 -P0 216.82.251.230

Starting Nmap 7.01 ( https://nmap.org ) at 2018-07-12 01:25 MSK
Nmap scan report for mail555.messagelabs.com (216.82.251.230)
Host is up.
PORT   STATE    SERVICE
25/tcp filtered smtp

How fix this problem?

0

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