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What are the Postini outgoing mail server IP address ranges?

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Old Friday, November 5th, 2010   #1
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Default What are the Postini outgoing mail server IP address ranges?

The following are the current Postini outgoing IP address ranges as of November 2010 :

64.18.0.0 - 64.18.15.255 -- 64.18.0.0/20 -- 64.18.0.0 mask 255.255.240.0

74.125.148.0 - 74.125.151.255 -- 74.125.148.0/22 -- 74.125.148.0 mask 255.255.252.0

74.125.244.0 - 74.125.247.255 -- 74.125.244.0/22 -- 74.125.244.0 mask 255.255.252.0

207.126.144.0 - 207.126.159.255 -- 207.126.144.0/20 -- 207.126.144.0 mask 255.255.240.0

The range used to relay email to your server is likely only one of these ranges.

The current list can be found at the Postini support site here.
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