Why companies choose Exclaimer over Letsignit
Proven enterprise-grade security
Exclaimer meets major enterprise standards, including SOC 2 Type II and ISO 27001/27018, supported by a public Trust Center. This gives IT clear evidence of platform controls, compliance posture, and how data is handled across global environments.
Visibility and control for modern IT
Role-based access, audit logs, and directory sync across Microsoft 365, Google Workspace, and Okta give IT tighter control over how changes are made. This provides clear business oversight and controlled delegation.
CRM-driven targeted campaigns
Exclaimer supports scheduled banners, rotation options, and CRM integrations. Marketing can segment audiences through Salesforce and HubSpot to run structured, repeatable campaigns— all while staying within IT-defined guardrails.
On-brand,
everywhere
Centralized branding, shared assets, and tenant-wide disclaimers keep every signature accurate everywhere. Updates roll out automatically, reducing manual work and helping large teams maintain consistent, compliant communication.
Exclaimer vs. Letsignit: The key differences
 | Letsignit | |
|---|---|---|
| Security | Exclaimer holds SOC 2 Type II, ISO 27001/27018, and Microsoft 365 certifications, along with support for regional compliance needs. All documentation is available in our public Trust Center. | Publishes ISO 27001/27018 and GDPR compliance, but lacks SOC 2 Type II, Microsoft 365 certification, and comparable security documentation. |
| Control & governance | Exclaimer’s advanced role-based access controls and audit logs give IT full visibility into admin activity, support safe delegation, and strengthen oversight across signature management. | Letsignit does not offer comparable audit logging, and its delegated access options are much more limited. |
| Directory support | Exclaimer supports directory sync with Entra ID (Azure AD), Google Directory, and Okta to keep user data accurate automatically and align with your existing directory structure. | Primarily supports Microsoft 365 and Exchange through Entra ID (Azure AD), with no published support for Okta or other directory systems. |
| Brand consistency | Dedicated branding settings and centralized disclaimer management keep emails consistent, professional, and compliant automatically. Update your branding once, and every template ollows—no more manual edits or one-off fixes. | Brand management is more limited, with no way to define fonts, brand icons, or key links. This creates more manual work and raises the risk of inconsistencies as the organization grows. |
| Campaign tools | True rotating banners, campaign scheduling, native analytics, and CRM list targeting through Salesforce and HubSpot give marketing teams the tools to run segmented, measurable campaigns. | Banner updates are limited to scheduling, with no rotation options for A/B testing. The lack of CRM list targeting also reduces the impact and precision of campaigns. |
| Integrations | Exclaimer offers broader native functionality, along with integrations that fit the tools you already use. Marketing can target with accuracy through CRM integrations, add meeting booking links with Calendly, and extend brand governance beyond email with meeting branding for Zoom, Teams, and Google Meet. | More limited native features and shallow integrations reduce the value for your teams and limit the impact for departments outside IT. |
| Support | Global 24/5 support with regional teams (including the U.S.) and phone assistance, plus dedicated onboarding and success resources for larger deployments. | Support details aren't well documented. Letsignit appears to rely on ticket-based support and a digital help center, with no published information on support availability or average response times. |
| Beyond email | Extend consistency and brand governance to your video calls with Meeting Branding. Direct integrations with Microsoft Teams, Zoom, and Google Meet make it easy to apply organization-wide branding that matches the guidelines set for your email signatures. | Letsignit doesn't offer meeting background automation or video support. |
Trusted by 75,000+ businesses worldwide
What IT teams say after switching from Letsignit
Clearer control, easier management, and faster rollout—from teams that made the move.
“What I like best about Exclaimer is that it’s so easy to create and manage nice, professional email signatures for a whole group of people. Pretty cool customization options—playing with fonts, colors, and interactivity made it not only flexible but fun to design.”
“I love how Exclaimer centralizes email signatures, making onboarding much easier and ensuring a consistent look across all users' emails. It's fantastic that users do not need to worry about their email signatures.”
“The fact that I would readily recommend Exclaimer, giving it a 10 out of 10 rating, speaks volumes about my satisfaction with this product.”
What sets Exclaimer apart
CRM-driven targeting for accurate campaigns
Exclaimer syncs Salesforce and HubSpot lists directly, enabling segmented, ABM-ready campaigns without duplicating signature designs.
Letsignit can apply signatures to emails sent from CRM tools, but it doesn’t support CRM-list targeting. This limits how effectively teams can use their data and reduces campaign accuracy.
Centralized brand control across every template
Exclaimer’s brand kits, shared assets, and tenant-wide disclaimers keep signatures consistent across all teams and regions.
Letsignit offers more limited branding tools and cannot define links, fonts, or icons at a global level. This creates extra template-by-template updates, adds manual work, and makes consistency harder to maintain as the organization grows.
Flexible directory sync for complex environments
Exclaimer provides twice-daily directory refreshes, with the option to trigger updates manually. It supports directory sync with Microsoft 365/Entra ID (Azure AD), Google Directory, and Okta, giving IT accurate user data from day one and the flexibility to meet compliance needs automatically.
Letsignit shares limited information about its sync cadence, and directory support appears to rely mainly on Microsoft 365 and Entra ID.
Campaign tools built for measurable engagement
Exclaimer’s CRM-based targeting, true banner rotation for A/B testing, and native analytics integrations (with support for third-party tools) let teams test ideas, measure performance, and maximize campaign impact from one interface.
Letsignit offers basic banner updates and scheduling without rotation, giving teams fewer ways to optimize campaigns.
Scalable for global and regulated organizations
Exclaimer offers enterprise-grade security for organizations of all sizes. Our platform meets leading industry standards, including SOC 2 Type II, ISO 27001/27018, HIPAA, PCI DSS, CSA/ACSC, and regional requirements such as GDPR and CCPA.
Letsignit does not hold SOC 2 Type II accreditation or Microsoft 365 Certification and publishes fewer indicators of enterprise-level security or governance.
Reduced IT workload through automated governance
Exclaimer’s centralized controls apply branding, disclaimers, user data, and campaign updates automatically across all signatures. Advanced role-based access controls let IT delegate tasks to internal teams within set guardrails, while maintaining top-down brand governance.
Letsignit relies on manual edits and asset uploads, increasing maintenance for both IT and Marketing. Its limited permissioning can also place more day-to-day work back on IT.
Transparent hosting and availability information
Exclaimer publishes details about its Azure-based hosting model, including expectations around availability and resilience.
Letsignit does not provide equivalent documentation about platform redundancy or failover design.
Frequently asked questions
Straight answers for teams comparing Exclaimer and Letsignit.
While Letsignit allows some assets to be defined centrally, many brand elements are still managed at the template level. This leads to repeated manual updates whenever assets or messaging change and adds extra work for IT.
Exclaimer centralizes branding settings and disclaimers, making it easier to maintain accuracy across departments and regions. Update your brand assets once, and changes automatically carry across all signature templates and meeting backgrounds.
Letsignit allows banner updates and scheduling, but it does not offer CRM list syncing for advanced segmentation or banner rotation for A/B testing.
Exclaimer syncs Salesforce and HubSpot lists for precise targeting and supports true banner rotation for A/B testing. Combined with native analytics and third-party integrations, these features make campaigns repeatable, measurable, and data-driven.
Letsignit manages most content within individual templates, which can lead to multiple versions when regional messaging is required, or brand guidelines change.
Exclaimer uses rules, targeting, and flexible directory data sync to apply location-specific disclaimers, banners, and layouts automatically.
Letsignit offers ticket-based support and a help center for everyday queries.
Exclaimer provides 24/5 global support, regional teams including the U.S., phone assistance, and onboarding resources that help organizations scale with confidence knowing expert help is always close by.
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