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


Information

Proofpoint Essentials US

Proofpoint Essentials EU

URL

https://constantedge1.proofpointessentials.com

https://constantedge.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

(ports 25, 389, and 636)

  • 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
  • 91.209.104.0/24
  • 91.207.212.0/24
  • 91.207.213.0/24
  • 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

IPs for Email Archiving

(port 993)

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


If you are using O365 or any other platform that will only accept CIDR format ranges of /24, use the following substitutions:


CIDR Breakdown For 148.163.128.0/19

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

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