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Exclaimer for Microsoft Exchange: How it works

See how Exclaimer meets your Exchange email signature demands in any Microsoft environment. 

High powered signatures. Ready for Microsoft 365.

Whether you’re on prem or hybrid, Exclaimer lets you deploy Exchange email signatures in the way you want.  

Learn more about how Exclaimer works in Microsoft Exchange environments. 

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Getting started

Here’s what you need to use our Exchange email signature manager:

  • Azure Active Directory configured and synchronized to your local AD 

  • Exchange 2016 or above running the latest Cumulative Updates (CU) 

  • Windows Server 2016 or above 

  • PowerShell 4 and .NET Framework 4.7.2.  

  • Domain Administrator account 

Our email signature software uses an Exchange Transport Agent installed on your Exchange server to imprint signatures on all messages.  

Once you sign up, the latest version of the Exchange Transport Agent is downloaded from the Exclaimer portal with the necessary API keys. The Exchange Transport Agent also logs all key events to the Windows Event Viewer. 

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Server-side configuration

Add Exchange email signatures to messages sent from any device with our Azure-hosted signature management platform.

Step 1

Use Exclaimer’s signature designer to build email signatures with text and HTML images. Everyone’s details come from data in your Active Directory and different templates can be given to specific teams.   

Client-side configuration

Get signatures added to emails in Outlook, Outlook Web App (OWA) or Apple Mail without passing messages to Microsoft Azure.

Step 1

Use the Exclaimer drag and drop editor to design HTML email signatures, using rules to automatically apply them to various departments in your business. 

Server-side & client-side configuration

Email signatures are automatically added to Outlook and imprinted on every message.   

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Let’s see what your email signature can do for you

Meet our cloud environment

Your data is precious, so we make sure it always stays in your region. The Exclaimer service is located in 12 Microsoft Azure datacenters across the world. Based in six geographically separated datacenter pairs, our secure and reliable service maintains a 99.99% uptime.

  • Our Azure setup uses load balancing to provide a single network service from our servers. Traffic is redirected to the other regional datacenter if required, ensuring reliability and continuity of service.

  • Our Exchange email signature platform scales to meet your business needs, maintaining throughput and email processing times.

  • Industry standard security best practices guarantee data safety, with DMZs, IPS, and WAF solutions in place to avert any attacks.

  • All inbound connections are secured with Secure Socket Layer (SSL) certificates and Transport Layer Security (TLS).

  • 24/7/365 monitoring services automatically detect service alerts. Real-time service information can be found on the Exclaimer Service Health page, and via SMS and email should you opt in.

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Supporting your Microsoft 365 journey

With Exclaimer’s platform, your email signatures work seamlessly with your on-premises Exchange server until you’re ready to migrate.

So, when the time comes, you won't have to move your signatures to the cloud: they’ll already be there. 

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Trusted worldwide

See why 60,000+ businesses trust us to deliver the best Exchange email signature management solution.

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Let’s see what your Exchange email signatures can do for you