Trusted by 9 million email accounts worldwide
Consistent, compliant signatures for every interaction
Only 47% of IT professionals feel very confident in their organization's compliance posture (Exclaimer's State of Business Email 2025 research). Exclaimer automatically applies the right legal disclaimers and regulatory notices to every outbound email across every division and site.
Connect to Entra ID, Google Workspace Directory, or your HRIS system to keep employee details accurate across field teams, contact centers, and back-office functions. Directory Sync removes the need for manual updates when staff move, change roles, or join the business.
Lock down signature formatting with server-side enforcement. Every email from every location, whether office, depot, or remote, reflects your brand standards and required compliance notices, regardless of device.
Role-Based Access Control gives Compliance and Legal their own governed access, including a dedicated Auditor role, while disclaimers stay enforced server-side and can't be edited or removed by employees.
You’re in safe hands
We’re the proud holders of multiple industry certifications for our security and compliance standards.
Platform integrations
Centrally manage email signatures across Microsoft 365, Google Workspace, and Microsoft Exchange, whichever platform your utility runs on.
Microsoft 365
Microsoft Exchange
Google Workspace
How our email signature manager works
Pull employee information directly from Entra ID, Google Workspace Directory or HRIS systems like Workday and Okta using Directory Sync. New hires, role changes, and site transfers update automatically, with no manual intervention required.
Route the right signature to the right person based on division, job role, location, or team using Signature Rules. Set rules once, and Exclaimer applies them automatically every time.
Every email stays accurate and on-brand, whether it's sent from a control room terminal, a depot laptop, or a field engineer's mobile device. No exceptions, no workarounds.
Use server-side deployment for hands-off control across every site and division, client-side for staff previews, or a hybrid setup to cover both.
Exclaimer's platform is built and run with strong security practices: 99.99% average uptime, end-to-end TLS encryption in transit, and active-active global hosting. That's built for utilities providers that can't afford downtime or data exposure.
Every site. Every team. Every email. Compliant by default.
Join 80,000+ organizations using Exclaimer to manage email signatures at scale, without the manual overhead.
Score 4.6 / 5
"Excellent service, takes all the hassle out of Office 365 Signatures!"
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Frequently asked questions
Exclaimer applies legal disclaimers, regulatory notices, and required disclosures to every outbound email automatically, server-side, before the email is sent. Disclaimers can't be edited or removed by employees, and Role-Based Access Control gives compliance teams their own governed oversight, including a dedicated Auditor role.
Exclaimer works with Microsoft 365, Microsoft Exchange, and Google Workspace. If your utility runs hybrid environments or a mix of platforms across sites, we support that too. Talk to our team about your setup.
Exclaimer syncs directly with Microsoft Entra ID (formerly Azure AD), Google Workspace Directory, and HRIS systems like Okta and Workday. When an employee's details change in the directory, their email signature updates automatically. No IT tickets. No manual intervention. No lag.
Yes. Because Exclaimer applies signatures server-side, it works on any device — office desktops, depot laptops, tablets, or smartphones. Field operatives and remote workers get the same consistent, compliant signature as your office-based teams.
Deployment speed depends on the complexity of your organization's structure. Kersia International, with over 30 global locations and more than 3,000 employees, deployed Exclaimer globally in a few hours. City of Bristol College deployed across three organizations in five days.
Exclaimer connects to your directory and email platform, and you can build and publish your first signature template without any specialist technical knowledge. Our onboarding team is on hand to support you through the process.
Exclaimer holds multiple industry certifications, including ISO/IEC 27001:2022, ISO/IEC 27018:2019, and SOC 2 Type II, and processes email signature data in line with GDPR and applicable data protection requirements. Your data, and your customers' data, is protected.