# SigHQ > SigHQ is a publication about email signatures — covering Microsoft 365 deployment and architecture, GDPR and UK compliance, vendor comparisons (Exclaimer, WiseStamp, CodeTwo and others), and brand and revenue use of the signature line, for IT admins, compliance teams, and marketing, sales, and HR. ## Key pages - [Home](https://sighq.app/): Latest posts and overview - [Topics](https://sighq.app/topics): Browse posts by audience/problem (IT Admin, GDPR, Competitor, Marketing, Thought Leadership) - [Search](https://sighq.app/search): Search posts, browse the full chronological archive, and browse all tags - [About](https://sighq.app/about): About SigHQ ## Notable articles The most heavily-sourced pieces, one or more per topic — start here for citable, primary-sourced coverage: - [Centralised Email Signatures in Microsoft 365: The Complete Guide (2026)](https://sighq.app/posts/centralised-email-signatures-in-microsoft-365-the-complete-guide-2026): Deployment architecture and centralised management, IT Admin - [How to Manage Email Signatures Across a Company: What IT Admins Actually Need to Know](https://sighq.app/posts/how-to-manage-email-signatures-across-a-company-what-it-admins-actually-need-to-know): Practical rollout guidance, IT Admin - [Email Signature Management for Microsoft 365: Server-Side vs Add-In](https://sighq.app/posts/email-signature-management-for-microsoft-365-server-side-vs-add-in-whats-the-difference): Architecture trade-offs, IT Admin - [Email Signature Compliance for UK Businesses: What the Law Actually Requires (2026)](https://sighq.app/posts/uk-email-signature-legal-requirements): Companies Act 2006 baseline, GDPR - [UK Email Footer Legal Requirements: A Sector-by-Sector Reference](https://sighq.app/posts/uk-email-footer-legal-requirements): FCA, SRA, and charity-sector disclosure rules, GDPR - [CodeTwo Alternatives: An Honest Comparison for Microsoft 365 and Google Workspace Teams (2026)](https://sighq.app/posts/codetwo-alternatives): Vendor comparison, Competitor - [WiseStamp Alternatives for Business Teams: What to Consider in 2026](https://sighq.app/posts/wisestamp-alternatives): Vendor comparison, Competitor - [Email Signature Branding: How to Turn Every Company Email Into a Consistent Brand Asset](https://sighq.app/posts/email-signature-branding): Brand consistency guidance, Marketing - [The History of Email Signatures: From ARPANET Footnotes to Corporate Branding Tools](https://sighq.app/posts/the-history-of-email-signatures-from-arpanet-footnotes-to-corporate-branding-tools): Origin and evolution, Thought Leadership - [Dash, Dash, Space: A Short History of the Email Signature Delimiter](https://sighq.app/posts/email-signature-dash-dash-space-history): A narrower history of the `-- ` convention, Thought Leadership ## Tag hubs - [Email Signatures](https://sighq.app/tags/email-signatures): Guides on professional signature design, legal requirements, and central management - [Microsoft 365](https://sighq.app/tags/microsoft-365): Centralised Deployment, mail flow rules, Outlook add-ins, and Exchange Online - [GDPR](https://sighq.app/tags/gdpr): UK GDPR compliance for email signature tools and data processor obligations - [IT Admin](https://sighq.app/tags/it-admin): Practical IT admin guides for deploying and managing email signatures at scale - [Outlook](https://sighq.app/tags/outlook): Classic Outlook, new Outlook for Windows, and COM vs Office add-in architecture - [Software Comparison](https://sighq.app/tags/software-comparison): Head-to-head comparisons of email signature management platforms — pricing, architecture, and honest trade-offs ## Topics (by audience) - [IT Admin & Compliance](https://sighq.app/topics/it-admin): For admins standardising email signatures across an organisation - [GDPR & Data Protection](https://sighq.app/topics/gdpr): For DPOs and compliance officers assessing email signature tooling - [Comparisons & Alternatives](https://sighq.app/topics/competitor): For readers evaluating or switching email signature tools - [Marketing & Brand](https://sighq.app/topics/marketing): For marketing and brand managers keeping signatures on-brand - [Thought Leadership](https://sighq.app/topics/thought-leadership): Perspective and analysis on where email signatures are headed ## For your role Targeted pages per buyer persona — pain points, the objection everyone raises, and (pre-launch) the existing tools best suited to that role. - [IT & Compliance](https://sighq.app/for/it-compliance): Central enforcement, audit trail, and the transport-rules objection - [Finance & Legal](https://sighq.app/for/finance-legal): Guaranteed disclaimer coverage across entities and jurisdictions - [Marketing Leads](https://sighq.app/for/marketing-leads): Campaign control over the signature layer without waiting on IT - [Sales & RevOps](https://sighq.app/for/sales-teams): Turning rep email into a booked-meetings channel - [HR & People](https://sighq.app/for/hr-teams): Internal comms reach and recruiter outreach through email signatures - [Customer Care](https://sighq.app/for/customer-support): Deflection and CSAT — and an honest note on the current market gap ## Content areas - Deployment architecture: server-side injection vs Outlook add-in - Microsoft 365 and Exchange Online integration - GDPR and data processing agreements for signature tools - Brand consistency and email signature governance - Legal compliance: Companies Act 2006, FCA disclosure requirements - Tool pricing comparisons and vendor analysis ## Sourcing and AI disclosure Articles are drafted with AI assistance and reviewed by a human before publishing. Each article discloses this and links to [our sourcing policy](https://sighq.app/about#ai-and-sourcing). Where an article cites external sources, they're listed at the end of the piece and in the page's structured data (`citation` field).