Email signature management
SigHQ — signals, perspectives, and writing on the subject of email signatures.
- How to Track Email Signature Clicks and Campaign Performance Your signature banner gets clicks, but does your analytics stack know it? A step-by-step UTM setup for signatures, and what raw UTM data can't tell you.
- How to Stop Employees Changing Their Signature in Outlook You sent everyone a signature template and people still edit it. Here's what Microsoft 365 offers to lock it down — and why neither option is a clean answer.
- Opensense Alternatives: An Honest Comparison (2026) Opensense treats the signature as a tracked marketing channel with deep CRM integrations — but pricing climbs fast at higher tiers. See the alternatives.
- BIMI Explained: What It Is and Why It's Worth It BIMI puts your logo next to your name in Gmail, Apple Mail, and Yahoo — but only once DMARC is enforced. What it requires, and what it's realistically worth.
- Email Domain Health: MX, SPF, DKIM, DMARC, Sender Reputation Your sending domain is infrastructure you own, not a one-time setup. What MX, SPF, DKIM, DMARC check, why all four can pass and still fail, and what to monitor.
- There's an Open-Source Outlook Signature Add-in on GitHub A small open-source Office.js add-in injects a signature into Outlook automatically, with zero email routed through a third party. Who it genuinely suits.
- Why Your Email Signature Doesn't Show Up on Mobile Your centrally managed signature works perfectly on desktop and vanishes on mobile. Why mobile is architecturally different, and which methods reach it.
- Why Adding an Email Signature Can Break DKIM and S/MIME Adding a signature after a message is cryptographically signed can invalidate it. Why DKIM and S/MIME break, and a test that proves whether your tool does it.
- Pronouns in Email Signatures: Why a Small Line Still Matters US federal agencies are ordering pronouns stripped from email signatures. Where we stand on that, and how to make pronouns opt-in and easy in Microsoft 365.
- Consistent Email Signatures as a Phishing and BEC Defence A centrally managed, consistent signature gives staff an implicit baseline to check inbound email against. What that protects against, and what it doesn't.
- Will Email Disappear as a Communication Tool? Teams and Slack absorbed the casual chatter, not email itself. The reason email keeps surviving is structural — pointing to where communication heads next.
- Email Signature Software Consolidation: What It Means Two roll-ups reshaped the email signature category in 2025-2026. Here's what Crossware's and Signitic's acquisitions mean if you're evaluating a vendor.
- Dynasend Review: Add-In-First Signature Management Dynasend is a pure Outlook add-in with no server-side routing, a 4.9/5 G2 rating, and pricing that undercuts most of the category. Here's who it suits.
- BrandMail (BrandQuantum) Review: An Add-In-First Option BrandMail's flagship Outlook toolbar applies signatures with no mail reroute — a 5.0/5 Capterra rating and a genuine match for SigHQ's thesis. Honest nuance.
- Rocketseed Alternatives: An Honest Comparison (2026) Rocketseed treats the email signature as a managed marketing channel, not a self-serve IT tool. Here's when that's right, and when the alternatives fit better.
- Letsignit Alternatives: An Honest Comparison (2026) Letsignit is one of the most GDPR-conscious email signature tools on the market - and still server-side. Compare Exclaimer, CodeTwo, Rocketseed and Opensense.
- Set-OutlookSignatures: An Honest Review of Open-Source Option Set-OutlookSignatures is a free, open-source PowerShell tool that deploys Outlook signatures with zero email routed through a third party. Who it suits.
- Email Signature Management Platforms: The Definitive List Every significant email signature program in one market map - established leaders, mid-tier challengers, niche entrants, and the open-source option.
- Email Signature Software Buying Checklist The questions to ask before buying any email signature tool - architecture, GDPR, directory sync, mobile coverage, legal compliance, pricing, and offboarding.
- Email Signature Software: The Three Types Email signature tools aren't one category. This guide maps the three types — generators, SMB platforms, enterprise platforms — pricing and who each suits.
- Dash, Dash, Space: A History of the Email Signature Delimiter The two hyphens and a space before every email signature have a documented origin — an RFC that was the de facto standard 16 years before it was published.
- UK Email Footer Legal Requirements: Sector-by-Sector Reference What UK law actually requires in an email footer for limited companies, FCA firms, solicitors, and registered charities — with quick-reference templates.
- Why Email Signatures Matter More Than Ever Email has become the serious channel. As casual chat moved to Teams and Slack, every email carries more weight — and the signature matters more than you think.
- The Best Email Signature Designs for 2026 Most email signature design galleries show layouts that break the moment they hit Outlook. Five archetypes that actually render, and what sinks the rest.
- CodeTwo Alternatives: An Honest Comparison (2026) CodeTwo is one of the highest-rated signature tools for Microsoft 365 - but M365-only, still server-side. Compare Exclaimer, Letsignit, Rocketseed, WiseStamp.
- How to Set Up a Company-Wide Email Signature in Microsoft 365 A step-by-step guide to applying one email signature to every employee in Microsoft 365 — mail flow rules, personalisation tokens, limitations, alternatives.
- Email Signatures for HR Teams: An Internal Comms Channel New joiners go days without a compliant signature, recruiter signatures miss open roles. How HR teams can use email signatures as an internal comms channel.
- How to Turn Every Sales Email Into a Conversion Touchpoint Sales reps send 80+ emails a day to prospects. Here's how RevOps can turn every signature into a conversion touchpoint without touching anyone's laptop.
- New Outlook for Windows and Email Signatures Classic Outlook and new Outlook use incompatible add-in models. If your signature tool relies on a COM add-in, it will not work after migration.
- Real Cost of Inconsistent Email Signatures for B2B Companies A 100-person company sends over a million outbound emails a year. Inconsistent signatures represent a measurable brand problem at significant scale.
- WiseStamp Alternatives for Business Teams (2026) WiseStamp's browser-extension model is increasingly blocked by IT, and its focus narrowed since the vCita acquisition. Here's what business teams need instead.
- Why Your Team's Emails All Look Different Your company sends thousands of emails a day. If half look different from the other half, that's a brand consistency problem — with a simple structural cause.
- Email Signature Branding: Turn Emails Into a Brand Asset How marketing managers can turn company email signatures into a consistent brand channel — design best practices, common consistency issues, and fixes.
- Email Signature Tools and GDPR: Server-Side vs Add-In What data each email signature architecture processes, what a compliant DPA must cover, and what ‘emails never leave Microsoft infrastructure’ means.
- Email Signature Compliance for UK Businesses (2026) UK law requires limited companies to include four specific details on every external email. What the Companies Act 2006 and FCA rules require.
- Email Signature Tools and GDPR: What Your DPO Needs to Know Email signature tools often route outbound email through third-party servers. Here's what UK GDPR Article 28 requires and what your DPA must cover.
- Does Your Signature Tool Route Emails to Third Parties? (GDPR) Many email signature tools route your emails through their own servers. Under UK GDPR that makes them a data processor. Here's what to ask.
- Exclaimer Alternatives: An Honest Comparison (2026) Looking for Exclaimer alternatives? Compare CodeTwo, Letsignit, Rocketseed and WiseStamp on pricing, deployment models, and who each tool actually suits.
- Email Signature Software Pricing: Every Major Tool Compared Email signature software costs $0.81–$3.50 per user per month. Compare Exclaimer, CodeTwo, Letsignit, WiseStamp and Rocketseed on pricing.
- Signature Management for Microsoft 365: Server-Side vs Add-In Server-side and add-in email signature tools differ significantly on GDPR, mobile support, and the compose experience. What IT admins need to know.
- Centralised Email Signatures in Microsoft 365: Complete Guide Everything IT admins need to know about centralised email signatures in Microsoft 365 — native options, their limits, and how third-party tools compare.
- How to Manage Email Signatures Across a Company Standardising company email signatures? This guide maps deployment options, technical tradeoffs, and questions to ask before choosing a tool.
- Why Designing HTML Emails for Outlook Is Still a Nightmare Outlook HTML email rendering was broken by design — here's why the Word engine ruined everything in 2007, what still breaks in 2026, and how to code around it.
- The History of Email Signatures: ARPANET to Corporate Branding From ARPANET footnotes to legal disclaimers and brand assets — how a simple email sign-off became one of IT's most underestimated management problems.
Email signatures in M365 are broken. We're fixing that.
We're not ready to share the details yet — but if you manage email, IT, or communications for a mid-sized Microsoft 365 organisation, this is for you.
You're on the list. We'll be in touch when we've got an update to share!
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