The Signally blog

Everything about email signatures: management, rollout, compliance and communication.

Practical guides, Microsoft 365 and Google Workspace tutorials, GDPR framing and campaign ideas. Forty articles organised into seven pillars.

40 articles

Comparisons & alternatives

Choosing an email signature tool: the eight-criteria grid

A comparison grid usable with any vendor: deployment, data location, access to email, campaigns, price, trial, support and reversibility.

email signature software comparison
Comparisons & alternatives

The best email signature management software in 2026

How to identify the email signature software that fits your organisation: the families of tools on the market, their structural differences and the evaluation method to apply.

best email signature software
GDPR & security

Email confidentiality disclaimers: what they are worth and how to write one

Does the "This message and its attachments are confidential" block carry any real weight? What it brings, what it does not, and how to write one if it is needed.

email confidentiality disclaimer
GDPR & security

Can a signature tool read your email? The technical answer

Depending on its architecture, a signature tool either does or does not access your message content. The difference between a client-side add-in, a transport rule and an SMTP relay, explained for a security review.

email signature tool security
GDPR & security

Data sovereignty: why choose a European vendor

What data sovereignty really covers for a SaaS tool: location, applicable law, extraterritorial legislation and the questions to put to a supplier.

eu data residency saas
GDPR & security

Mandatory legal notices in a business email

What information has to appear in a business email depending on legal form and activity: company identification, regulated professions, commercial communications.

email legal requirements
GDPR & security

Email signatures and the GDPR: what the regulation actually says

The data in a signature is personal data. What that means in practice: legal basis, minimisation, processing arrangements and data subject rights.

email signature gdpr
Campaigns & banners

Animated banners in a signature: what each email client displays

An animated GIF does not animate everywhere. What each email client really displays, and the design rule that makes animation risk-free.

animated gif email signature
Campaigns & banners

Measuring the ROI of a signature banner campaign

How to measure a signature campaign without picking the wrong indicator: exposure volume, attributed clicks, comparison between campaigns and equivalent media value.

email signature roi
Campaigns & banners

Planning your signature campaigns across a quarter

Building a quarterly calendar of signature banners: arbitrating between company and team campaigns, handling overlaps and automating the dates.

schedule email banner campaigns
Campaigns & banners

12 banner campaign ideas, season by season

A calendar of twelve signature banner campaigns spread across the year, each with the audience to target and the action to offer.

email signature campaign ideas
Campaigns & banners

Email signature banners: formats, weight and best practice

The dimensions, weight and design rules for an email signature banner: usable width, screen density, readability at small size and the clickable area.

email signature banner
Campaigns & banners

Email signature marketing: the complete 2026 guide

Turning the company's outgoing email into a communication channel: real volume, audience, formats, targeting, scheduling and measuring signature marketing.

email signature marketing
Management & governance

Brand governance: why the signature is your weak point

Every brand asset gets approved, except the one that goes out hundreds of times a day. Why the signature escapes governance, and how to bring it back into scope.

email brand governance
Management & governance

What does managing email signatures by hand really cost?

How to calculate the hidden cost of hand-managed signatures: time per signature, frequency of changes, loaded hourly cost — and the economic tipping point.

cost of managing email signatures
Management & governance

Email signature policy: the template to get approved internally

The outline of a two-page email signature policy: scope, mandatory elements, what stays free, special cases and the update procedure.

email signature policy
Management & governance

Multi-subsidiary and multi-brand signatures: how to organise them

A group with several legal entities cannot make do with a single template. How to structure templates by subsidiary, brand and country without multiplying the maintenance load.

multi brand email signatures
Management & governance

When an employee leaves: removing their signature and securing the mailbox

What to do with the signature, the mailbox and the auto-reply when an employee leaves — and why a signature left in place is as much an image problem as a security one.

employee offboarding email signature
Management & governance

Onboarding: preparing a new employee's email signature

The signature is part of the joining kit, just like the badge and the laptop. How to make sure a new joiner has it from their first message, with no tutorial and no ticket.

new employee email signature
Management & governance

Standardising signatures across 50, 200 or 1,000 employees

A six-step standardisation plan, with what changes by size: 50, 200 or 1,000 mailboxes do not pose the same change management problems.

standardise email signatures
Management & governance

Email signature management in companies: the complete guide

Governance, tooling, life cycle and compliance: the reference guide for managing an entire organisation's email signatures rather than putting up with them.

email signature management
Designing a signature

Bilingual email signatures: handling several languages and countries

Signature in English, in French, or both? How to handle job titles, local legal notices and phone formats in a multilingual organisation.

bilingual email signature
Designing a signature

Weight, size and format of the logo in an email signature

The dimensions, weight and file format to respect for an email signature logo: exporting at 2x for high-density screens, PNG or JPEG, and a realistic weight budget.

email signature logo size
Designing a signature

HTML email signatures: the compatibility rules to respect

Signature HTML is not website HTML. Tables, inline styles, dimensions as attributes: the rules that make a signature render the same on Outlook, Gmail and mobile.

html email signature
Designing a signature

Email signature templates: 12 examples by industry

Twelve annotated email signature structures, sector by sector: consulting, property, healthcare, industry, agency, law firm. What each profession should put forward.

email signature templates
Designing a signature

Free email signature generators: what you can do without paying

What a free email signature generator actually allows, where the limit sits, and when the need tips over into centralised management for the whole company.

free email signature generator
Designing a signature

What to put in an email signature: the 9 essential elements

The information that earns its place in a professional email signature, what is optional and what is better removed — with the reading order that works.

what to put in an email signature
Designing a signature

How to create a professional email signature in 2026

The nine decisions behind a professional email signature: information hierarchy, width, logo, colours, social links, legal notices and scaling it across a company.

create professional email signature
Google Workspace & Gmail

Moving from individual Gmail signatures to centralised management

A five-step migration plan to go from Gmail signatures configured by each person to a centralised company template, with no switchover day and no wave of tickets.

centralised gmail signature management
Google Workspace & Gmail

Managing signatures by Google organisational unit

Google Workspace organisational units let you assign a different signature template per subsidiary, country or department. How to structure OUs so signatures follow the organisation.

google organisational unit signature
Google Workspace & Gmail

Gmail signatures on mobile: what actually shows up

The Gmail app manages a mobile signature separate from the web one, often reduced to "Sent from my iPhone". What really displays on mobile and how to get consistent rendering.

gmail mobile signature
Google Workspace & Gmail

Google Workspace footers: what the admin console cannot do

The Google console's append-footer function renders one precise service, and only that one. What it covers, what it will never cover, and when it stops being enough.

google workspace email signature
Google Workspace & Gmail

Setting the same Gmail signature for every user in the domain

Three ways to enforce a Gmail signature across a Google Workspace domain: individual setup, the admin console footer, and a domain-wide add-on.

gmail signature for business
Microsoft 365 & Outlook

Synchronising email signatures with the Entra ID directory

How signature fields fill themselves from Microsoft Entra ID: which attributes are used, data quality, handling empty fields, and how a change of job title propagates.

entra id email signature
Microsoft 365 & Outlook

Outlook mobile signatures: why they vanish and how to get them back

"Sent from my iPhone" instead of your company signature: why Outlook mobile ignores the local signatures on your desktop, and how to get a consistent signature on the phone.

outlook mobile signature
Microsoft 365 & Outlook

Deploying a signature from the Microsoft 365 admin center

The exact path through the Microsoft 365 admin center: admin consent, deploying the add-in from Integrated apps, a pilot group, then rolling out to the whole organisation.

deploy email signature microsoft 365
Microsoft 365 & Outlook

Email signatures in the new Outlook for Windows: what changes in 2026

The new Outlook for Windows runs on the Outlook Web engine, not the Word one. What that changes for your signatures, the migration traps, and what to check before switching.

new outlook signature
Microsoft 365 & Outlook

Adding a logo to an Outlook signature without breaking it

Blurry logo, image replaced by a red cross, wild resizing: the four real causes of a broken logo in an Outlook signature, and the method that makes it display everywhere.

outlook signature logo
Microsoft 365 & Outlook

Add-in or Exchange transport rule: which signature method to choose

Inserted while writing or appended server-side: the two Exchange signature methods have different limits and different effects on threads, encryption and what the sender can see.

exchange transport rule signature
Microsoft 365 & Outlook

How to deploy an Outlook email signature for every employee

Three ways to put the same signature on every Outlook mailbox in a company: manual setup, an Exchange transport rule and the Microsoft 365 add-in. What actually holds up at scale.

outlook email signature all users