Connection Details

Modified on Wed, Apr 15 at 10:26 AM

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://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 include:_spf-us.ppe-hosted.com ~all The following record format is still supported, but we recommend updating to the new version above: v=spf1 a:dispatch-us.ppe-hosted.com ~all	v=spf1 include:_spf-eu.ppe-hosted.com ~all The following record format is still supported, but we recommend updating to the new version above: 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)	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	143.55.151.64/27 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 M365 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

Need Help Getting Started with Proofpoint?

We help businesses plan and implement Proofpoint email security - ensuring your setup is correct, secure, and ready to protect your organization from day one.

Speak to an expert