Microsoft 365
Google Workspace
Microsoft Exchange
Email signature management software
IT keeps control. Marketing gets the channel.
One platform. IT deploys company-wide in 45 minutes, then Marketing runs campaigns inside the guardrails.
The Problem
Nobody owns the signature, so everybody edits it.
Signatures start as a template on the intranet. From there they drift.
- IT Owns a problem it never asked for.
Tickets, scripts, and a mail flow rule nobody wants to touch.
- Marketing Owns a channel it cannot reach.
Every employee sends through it. Marketing cannot control any of it.
A 1,000-person company sends roughly ten million emails a year, and the brand on them is whatever each employee last pasted.
For IT
Deploy once. Set the rules. Stop getting tickets.
Choose how it deploys
The Outlook add-in signs mail inside Microsoft 365, so nothing reroutes. Server-side runs on an Exchange Online transport rule, Google Workspace on the Gmail API. Run more than one at once.
Directory sync that holds
Entra ID and Google Directory keep titles, numbers, and departments current. Upload a CSV for the fields your directory gets wrong.
Guardrails, not lockdown
Lock the fields that matter. Open the ones that don’t. Marketing works inside the rules you set.
“We don’t ever have to worry about email signatures again.”
UWM 
Montgomery CountyRuns Opensense across 3,000 employees in 20 departments.
For Marketing
The channel you already own, finally addressable.
Banners targeted by sender or recipient
Rotate creative by campaign, region, or CRM segment. Target internal and external recipients separately.
Engagement you can report on
Opens, clicks, and engagement per campaign, per employee, per account. Give sales the signal and marketing the proof.
Wired to your stack
Salesforce, HubSpot, Marketo, Outreach, RollWorks, and dozens more. Campaigns trigger from the CRM data you already keep.
CMG Financial25,000+ signature combinations
A nationwide mortgage lender, across parent companies, joint ventures, and real estate partners, while holding regulatory compliance.
EDF Renewables20% more webinar signups
Banners across 1,000+ employees replaced paid ad spend.
Design Pickle17 purchases from the signature
“We’ve seen at least 17 purchases from our signature alone.”
Digital Business Cards
The same directory that signs the email makes the card.
One card per employee, drawn from the directory record that already drives the signature, so a title change updates both. Shareable by link or QR, trackable, and governed by the rules IT already set.
Explore digital business cards
Results
What changed, and for whom.
Snowflake4.82% click-through on 287,713 impressions
The Data Cloud World Tour banner ran to target accounts through the RollWorks integration.
American Cancer Society3,000+ signatures, no endpoint touched
100% company adoption on a no-touch deployment.
- UWM
8,200 employees, zero manual updates
Moved off a fully manual process with no downtime.
FAQ
Frequently asked questions
Opensense deploys three ways: server-side injection through Exchange Online, an Outlook add-in, or the Gmail API for Google Workspace. You can run more than one at once. With the add-in, mail stays inside Microsoft 365 end to end. Most IT teams finish the initial deployment in 45 minutes, and signatures then apply to every employee email regardless of device or client.
Yes. Opensense is built primarily for Microsoft 365, with deep integration with Microsoft Entra ID, Exchange Online, and the M365 Integrated App marketplace. Google Workspace is fully supported, including Google Directory sync, centralized signature management, and analytics. One platform, both environments.
Both, by design. IT deploys Opensense once and sets the governance rules. From that point, Marketing manages banner campaigns, rotates creative, targets by CRM segment, and updates templates without filing an IT ticket for every change. IT controls the guardrails. Marketing operates within them.
HubSpot and Marketo send marketing emails to opted-in contact lists. Opensense governs the emails your employees are already sending: every prospect reply, every customer email, every partner communication. These are channels that require no opt-in lists and cost nothing incremental per send. Opensense connects to HubSpot, Salesforce, and Marketo so your campaigns can be triggered by CRM data. The two work together, they don't compete.
Yes. Opensense is SOC 2 Type II certified and purpose-built for Microsoft 365 GCC High environments. We have many customers who have various certifications such as FedRAMP High, DFARS, ITAR, and CMMC. Email never leaves the Microsoft 365 environment with the Outlook add-in deployment. We are US Headquartered and US-based support is standard.
What are others saying about Opensense?
Read why the world's most advanced marketing & sales teams use Opensense as their preferred email signature, marketing, sales, and compliance solution.
Opensense has become indispensable in our sales tech stack, helping us scale the team, boost productivity, elevate the customer experience, and reduce friction within the buyer's journey.
"We’re segmenting banners by employee function and communicating different messages all from a single, centralized admin console. Opensense serves as our extra layer for our demand gen campaigns, allowing us to segment banners and communicate different messages effectively. It has been a game changer for our targeted messaging."
"Opensense has been wonderful for promoting Diversity, Equity, and Inclusion initiatives. Starting with Pride Month last year, we extended it to Hispanic Heritage, Pride, and Black History, aligning our logos and featuring banner messages celebrating each occasion. These campaigns are now integral to our organizational identity."
"Opensense provides a level of professionalism that comes with having a bonafide, fortified email signature where nothing can be misconstrued. You have all the power to fix or unfix an email signature for thousands of people with a click of a button. It's a game-changer, especially for a customer-facing industry like ours”
Detailed annual SOC 2 audits are performed on our controls and processes, the "gold standard" for security, integrity, confidentiality, reliability, and privacy controls.
As a leading antivirus offering, McAfee’s suite of security features offers businesses the best protection from all types of malware threats. McAfee’s ratings are qualified as completely objective.
We engage trusted, world-class, third-party security firms to conduct routine audits and penetration testing of the Opensense service and infrastructure.
Opensense is the only email signature platform that operates inside Microsoft 365 GCC High. Signatures, banners, and tracking for government, defense, and other highly regulated industries.
Integrations
The most powerful, reliable, and secure solution on the market.
Active Directory, Office 365, and Google Workspace integrations keep email signatures consistent, up-to-date, and always in compliance.
Connect the most critical components of your tech stack to deliver an email experience that serves marketing, sales, and compliance goals.
View integrations
Support you can actually reach.
24/7 Support
24/7 US-based phone & email support
High-Touch Service
Dedicated Customer Success Managers & Technical Contacts
Quick Response
Maximum 4 hour email response time
See it on your own domain.
A demo runs about 30 minutes and uses your own templates and directory, so you see what your employees would actually send.
Get a demo See pricing