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Postini IP Ranges




Postini IP Range

The following are the IP ranges for the email protection service systems. Note, for system 20 customers, both sets of IP ranges are applicable.

System: 5, 6, 7, 8, 20

IP Range:
64.18.0.0
mask 255.255.240.0

System: 9

IP Range:

74.125.148.0
mask 255.255.252.0

System: 10

IP Range:
74.125.244.0
mask 255.255.252.0

System: 20, 200, 201

IP Range:
207.126.144.0
mask 255.255.240.0

To determine the system for your account:
Your system number is shown the URL when you log in to the Administration Console or Message Center. The system number is prefaced by “ac-s” or “mc-s”, for example:
URL displayed for an account on System 8 when logged in to the Administration Console:

https://ac-s8.postini.com/exec/adminstart?

URL displayed for an account on System 200 when logged in to the Message Center:

https://mc-s200.postini.com/app/msgctr/junk_quarantine

 

 



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