Scenario Overview

 

Systems involved

Mail System

Variant

 

Exchange on-premises (or other on-premises)

Exchange Online

 

Filter

seppmail.cloud

A

B

Supported 3rd party cloud E-mail filter

(MIMECAST & Proofpoint)

C

Other 3rd party E-mail filter

(Fortinet,

Sophos, Trend Micro,

Barracuda)

D

- not supported -

Microsoft Defender 365

- not supported -

Z

 

Supported Scenarios

As of Q1 2024 we differentiate between active and passive support of E-mail flow scenarios in the seppmail.cloud.

Active Support

Scenarios A, B and C

Passive support

Scenarios D and Z

Why passive support:

If your E-mail system interacts with the seppmail.cloud and the E-mail flow is to flow via a 3rd-party component that SEPPmail Secure E-Mail Gateway cannot influence, we offer so-called "passive" support for these scenarios. This mainly concerns on-premises and cloud mail filters with which SEPPmail has no cooperation agreement and therefore no direct access to support and development.

What we offer with passive support:

As part of the onboarding documentation, we describe solution scenarios and suggestions on how to securely and correctly integrate the 3rd party components into the mail flow and prevent mail loops.

We will support analyses of whether mails are received by us or sent by us and arrive at a target host.

What we do not offer with passive support:

SEPPmail will not answer questions about the setup, functionality and possible errors of the 3rd party component.

 

Scenario A - Exchange on-premises Inline

Mail flow: from MX-Record via SEPPmail.cloud for mail filter and cryptography via firewall to Exchange on premise

 

Scenario B - ExchangeOnline Inline

Mail flow: from MX-Record via SEPPmail.cloud for mail filter and cryptography via firewall MS Email Frontent to Exchange Online

 

Scenario C - Supported 3rd party cloud E-mail filter

Mail flow: from MX-Record via other email filters to both SEPPmail.cloud for cryptography and to other mail systems

 

Scenario D - Other E-mail filter on-premises/cloud

Mail flow: from MX-Record via firewall to on-premise email filter to both SEPPmail.cloud for cryptography and to other mail systems

 

Scenario Z - Exchange Online parallel

Mail flow: from MX-Record via Microsoft Defender 365 to both SEPPmail.cloud for cryptography and Exchange Online