AdSigner vs Crossware Email Signature

AdSigner centrally manages employee email signatures and can deploy them across an organization. It supports distinct branded signatures for departments, roles, regions, locations, or company brands. Campaign banners can carry offers, events, content, or company news in employee emails. Analytics tracks signature and campaign views, clicks, and click-through rates, with reports exportable to Excel, CSV, or JSON. Employee directory data can be synced from Microsoft Entra ID or Google Directory, supplied through JSON endpoints or custom API sources, or imported from Excel, CSV, or JSON files. Deployment options include Microsoft 365 and Outlook add-ins, Google Workspace and Gmail add-ons, AdSigner Agent for Outlook or Thunderbird, HTML copy-and-paste, and API-based deployment. AdSigner says it processes directory data and signature configuration to generate signatures without routing or accessing email content. Its security page states that it is GDPR compliant, offers a Data Processing Agreement, and has an SSL certificate. Administrators can enforce disclaimers and restrict compliance settings through role-based permissions. Standard support is included with subscriptions, with email or chat responses within 24 business hours. The platform lists API, extension, web, and Windows.

Crossware Email Signature centrally creates and applies branded, personalized signatures to company email. It supports Microsoft 365, Google Workspace, Microsoft Exchange, and HCL Domino. Administrators can build signatures with rich text or HTML, templates, drag-and-drop blocks, images, and conditional fields. Rules can vary signatures or blocks according to whether a message is internal or external, new or a reply, or falls within a date range. Directory integration can bring current contact information into signatures. Access can be granted to selected users or groups without making them administrators. Signatures can include marketing banners and centrally managed legal disclaimers. For Microsoft 365, Crossware says the service runs in Microsoft Azure and applies signatures in the Microsoft cloud after messages are sent; this option needs no installation or download. Other deployment choices include cloud hosting and an on-premise server. Licensing is per user, defined as a mail file requiring a signature, and pricing depends on the number of email users and requires a quote. A free 30-day trial includes all features. The maker offers 24-hour email support.