Proofpoint IP Addresses: Difference between revisions
Created page with "Go back to [https://wiki-stage.hbscloudservices.com/Proofpoint_Essentials Proofpoint Essentials guides] or [https://wiki-stage.hbscloudservices.com/Main_Page Main Page]. == Proofpoint Inbound Mail (to customer) == For SMTP Connections only. Must use port 25. IPv4 Subnets: * US Region: ** 208.56.1.0/25 ** 67.231.152.0/24 ** 67.231.153.0/24 ** 67.231.154.0/24 ** 67.231.155.0/24 ** 67.231.156.0/24 ** 67.231.144.0/24 ** 67.231.145.0/24 ** 67.231.146.0/24 ** 67.231.147.0/2..." |
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Revision as of 18:43, 26 August 2025
Go back to Proofpoint Essentials guides or Main Page.
Proofpoint Inbound Mail (to customer)
For SMTP Connections only. Must use port 25.
IPv4 Subnets:
- US Region:
- 208.56.1.0/25
- 67.231.152.0/24
- 67.231.153.0/24
- 67.231.154.0/24
- 67.231.155.0/24
- 67.231.156.0/24
- 67.231.144.0/24
- 67.231.145.0/24
- 67.231.146.0/24
- 67.231.147.0/24
- 67.231.148.0/24
- 67.231.149.0/24
- 148.163.128.0/19
Proofpoint Essentials Email Archive
For IMAP Connections only. Must use port 993.
IPv4 Subnets:
- US Region:
- 34.192.199.2/32
- 52.55.243.18/32
- 52.54.85.198/32