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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) |
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| Essentials Email Archive
(For IMAP Connections only) |
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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 |