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Proofpoint, Inc.

Connection details

Customers hosted on Proofpoint Essentials North American (US) or European locations (EU) should refer to the following table for details on configuring and accessing your account. 

Information US1 - US5 EU1
URL https://us1.proofpointessentials.com https://eu1.proofpointessentials.com
MX Records mx1-us1.ppe-hosted.com
mx2-us1.ppe-hosted.com
mx1-eu1.ppe-hosted.com
mx2-eu1.ppe-hosted.com
SPF "v=spf1 a:dispatch-us.ppe-hosted.com ~all" "v=spf1 a:dispatch-eu.ppe-hosted.com ~all"
Smarthost outbound-us1.ppe-hosted.com outbound-eu1.ppe-hosted.com

IP Addresses

Includes SMTP (25) and LDAP (389)

  • 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
  • 148.163.128.0/19
  • 91.209.104.0/24
  • 91.207.212.0/24
  • 91.207.213.0/24
  • 62.209.50.0/24
  • 62.209.51.0/24
  • 185.132.180.0/24
  • 185.132.181.0/24
  • 185.132.182.0/24
  • 185.132.183.0/24
  • 185.183.28.0/22

Essentials Email Archive

(For IMAP Connections only)

  • 34.192.199.2
  • 52.55.243.18
  • 52.54.85.198
  • 35.158.81.74
  • 18.195.34.45
  • 35.158.59.63

 

CIDR Breakdown for 148.163.128.0/19

For customers who are using Office 365 or any other platform that will only accept CIDR format ranges of /24:

148.163.128.0/24
148.163.129.0/24
148.163.130.0/24
148.163.131.0/24
148.163.132.0/24
148.163.133.0/24
148.163.134.0/24
148.163.135.0/24

148.163.136.0/24
148.163.137.0/24
148.163.138.0/24
148.163.139.0/24
148.163.140.0/24
148.163.141.0/24
148.163.142.0/24
148.163.143.0/24

148.163.144.0/24
148.163.145.0/24
148.163.146.0/24
148.163.147.0/24
148.163.148.0/24
148.163.149.0/24
148.163.150.0/24
148.163.151.0/24

148.163.152.0/24
148.163.153.0/24
148.163.154.0/24
148.163.155.0/24
148.163.156.0/24
148.163.157.0/24
148.163.158.0/24
148.163.159.0/24

CIDR Breakdown for 185.183.28.0/22

For customers who are using Office 365 or any other platform that will only accept CIDR format ranges of /24:

185.183.28.0/24
185.183.29.0/24
185.183.30.0/24
185.183.31.0/24