HTML Email Signatures; Not Just for Email Clients Anymore

Amy Lockwood
Amy Lockwood
Co-Founder & Head of App and Web Design (15+ Years Experience)
Updated On: Feb 19, 2025
Email Signature Support

In 2025, professional branding extends far beyond traditional email clients like Outlook and Gmail. HTML email signatures are an essential branding tool, but they’re not limited to just standard email clients anymore.

HTML Email Signatures; Not Just for Email Clients Anymore
html email signature example

With a well-designed HTML email signature, businesses and professionals can maintain brand consistency across multiple email platforms and customer communication tools. In fact, you can add your Email Signature Rescue HTML email signature to any software that doesn't send bulk emails, like Salesforce, Zendesk and Xero!

Expanding the Reach of HTML Email Signatures

Many software platforms that send emails on behalf of users now support HTML email signatures, allowing professionals to maintain a polished and branded presence across various touchpoints. Whether you’re using a CRM, helpdesk software, or even invoicing software, integrating your Email Signature Rescue HTML signature template ensures your brand stays consistent and professional.

Software That Supports HTML Email Signatures

Below are some popular software solutions where you can install your HTML email signature, ensuring that all outgoing emails maintain a professional look:

email signature template by Email Signature Rescue

Customer Relationship Management (CRM) Software

  • HubSpot CRM: HubSpot allows users to set up an HTML email signature in their email settings under "Profile & Preferences."
  • Salesforce: Users can navigate to "My Email Settings" under Setup and paste their HTML signature.
  • Zoho CRM: In "Email Settings," users can copy and paste their HTML signature into the email signature field.

Helpdesk & Support Ticketing Systems

  • Zendesk: Admins and agents can set HTML signatures under "Agent Signature" in the email settings.
  • Freshdesk: Users can go to "Admin > Email Notifications" and insert their HTML signature.
  • Help Scout: Allows for HTML signatures in the "Mailbox Settings" section.
No items found.
Email Signature Template 1
Email Signature Template 2
100+ Professional Templates

Stand Out with Beautiful Email Signatures

Create professional email signatures that make a lasting impression. Easy to customize, easy to install in Gmail, Outlook, Apple Mail + 60 more email clients, apps and CRM.

Find Your Email Signature

Accounting & Invoicing Software

  • QuickBooks: Supports HTML email signatures in the invoice email template section.
  • Xero: Allows HTML signatures in invoice emails via the branding theme settings.
  • FreshBooks: Users can insert their signature into the email customization settings.

Productivity & Collaboration Tools

  • Slack (via Email Integrations): If using Slack’s email integration, users can set an HTML signature.
  • Trello (Email-to-Board feature): Users can add their HTML signature in the "Email to Board" settings.
  • Asana (Email notifications): HTML signatures can be added to automated email alerts.
html email signature template by Email Signature Rescue

How to Install Your Email Signature in These Platforms

Step 1: Copy Your HTML Signature

Using Email Signature Rescue, generate your custom HTML email signature. Once it’s finalized, copy the signature code.

Step 2: Access Your Email Signature Settings

For the platform you are using, navigate to the signature settings. This is usually under "Profile Settings," "Email Preferences," or "Email Templates."

No items found.
Email signature example design

100's professionally designed and tested templates

See All Templates

Step 3: Paste the HTML Signature

Paste the copied HTML signature into the provided field. If the platform offers a "Plain Text" option, ensure you are pasting it into an HTML-enabled field.

Step 4: Save & Test

Save your changes and send a test email to confirm that the signature displays correctly.

html email signature template by Email Signature Rescue

Why Use Email Signature Rescue for Your HTML Signatures?

With Email Signature Rescue, you get:

  • Professionally designed HTML email signatures optimized for multiple platforms.
  • Easy-to-follow installation guides for various software.
  • Automatic updates and cloud storage for seamless changes.
  • Consistency across all outbound communications.
If you’re only using an HTML email signature in your email client, you’re missing out on a major branding opportunity. By extending your professional signature to CRM platforms, helpdesks, and invoicing software, you ensure brand consistency in every email sent.

Take advantage of Email Signature Rescue to streamline the process and maintain a professional digital presence across all communication channels.

Amy Lockwood is the Co-Founder of Email Signature Rescue with over a decade of experience in HTML email signatures for 60+ email clients, apps and CRM software including Outlook, Gmail, Apple Mail. She is the Head Designer of the Email Signature Rescue apps and website.

📩 Need help with your HTML email signatures? Contact Amy at emailsignaturerescue.com.

Ready to transform your email signatures?

FLYBY Signature
AUTHOR Signature
RAISE Signature
See Templates
OUR AWESOME CLIENTS

We work with
the best clients

Join our community of satisfied clients who trust us to create, host, manage and deploy their HTML email signatures.

4.8
Trustpilot Rating
200k+
Users Rescued
30M+
Hours Saved
10+
Years in the Business
1.1M+
Images Hosted