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Email signatures are commonly used to display the sender’s name, designation, company information, contact details, website links, and branding elements at the end of an email. A professional email signature helps create a strong identity and improves communication credibility.

Adding an Email Signature in Different Mail Clients allows users to automatically append their signature to every outgoing email instead of manually typing it each time. Most webmail platforms and email applications support both plain-text and HTML email signatures.

This guide explains how to configure email signatures in different mail clients and webmail applications.

Why Email Signatures Are Important

Using a professional email signature offers several benefits:

• Displays contact information clearly
• Promotes company branding
• Adds professionalism to emails
• Provides website and social media links
• Saves time by automating repetitive content

Some email clients also support:

• HTML formatting
• Images and logos
• Hyperlinks
• Electronic business cards

Email Signature in Different Mail Clients and Webmail

Below are the steps to configure email signatures in popular email clients and webmail platforms.

Roundcube

How to Add a Signature in Roundcube

1. Login to Roundcube webmail
2. Click Settings at the top-right corner
3. Select the Identities tab from the left panel
4. Double-click the email address you want to configure
5. Add your signature in the signature box
6. Click Save

How to Add Images in Roundcube Signature

1. Go to Settings → Identities
2. Select the desired identity
3. Enable the HTML Signature checkbox
4. Click the HTML source editor icon
5. Insert image HTML code:

<p><img src="https://domain.com/imagefilename.jpg" alt="" width="125" height="85" /></p>

6. Click Update and then Save

Enable HTML Message Composition

1. Go to Settings
2. Select Composing Messages
3. Set Compose HTML messages to Always
4. Save the settings

Your signature image will now appear automatically in new emails.

SquirrelMail

Steps to Add Email Signature

1. Login to SquirrelMail
2. Click Options
3. Select Personal Information
4. Enter your signature text
5. Click Submit

Enable the option to automatically include the signature while composing emails.

Horde

Configure Signature in Horde

1. Login to Horde webmail
2. Click the Options icon
3. Under Your Information, select Personal Information
4. Click Edit Your Identities
5. Choose the default identity
6. Enter the signature text
7. Click Create

Horde will confirm the signature update.

Thunderbird

Add Signature in Thunderbird

1. Open Mozilla Thunderbird
2. Go to Tools → Account Settings
3. Select your email account
4. Enter the signature text under Signature Text

HTML Signature in Thunderbird

To use HTML formatting:

• Enable the HTML signature option
• Add HTML markup manually

You can also attach:

• HTML files
• Images
• Signature files

using the Attach the signature from a file option.

Outlook

Create an Email Signature in Outlook

1. Open Microsoft Outlook
2. Create a new message
3. Go to Message → Signature → Signatures
4. Click New
5. Enter a name for the signature
6. Add your signature content
7. Click OK

Add Images or Links in Outlook

You can include:

• Images
• Hyperlinks
• Electronic business cards

using the formatting toolbar inside the signature editor.

Automatically Insert Signature

1. Open Signatures settings
2. Under Choose default signature, select the email account
3. Choose the default signature for:
   • New messages
   • Replies and forwards

Windows Live Mail

Configure Email Signature

1. Open Windows Live Mail
2. Click File → Options → Mail
3. Open the Signature tab
4. Click New

Add Signature Content

You can:

• Add plain-text signatures
• Attach HTML signature files
• Add images

Enable:

Add a signature to all outgoing messages

if you want automatic signatures for all emails.

Mac Mail

Create a Signature in Mac Mail

1. Open Mail Preferences
2. Go to the Signatures section
3. Click the + symbol
4. Add the signature text

Add Images and Links

You can drag and drop:

• Images
• vCard files

directly into the signature editor.

Mac Mail automatically converts domain names into clickable links.

Set Default Signature

1. Open Default Signatures
2. Select the desired signature for each email account
3. Save the changes

Tips for Creating Professional Email Signatures

A good email signature should include:

• Full name
• Job title
• Company name
• Phone number
• Website URL
• Social media links

Avoid:

• Excessive images
• Large file sizes
• Too many colors or fonts

Simple and professional signatures work best.

Benefits of Using Email Signatures

Using Email Signature in Different Mail Clients helps:

• Maintain branding consistency
• Improve business communication
• Increase website visibility
• Provide quick access to contact details
• Save time while sending emails

Professional email signatures also create a stronger impression on clients and customers.

Conclusion

Configuring Email Signature in Different Mail Clients and webmail platforms is a simple but important step for professional communication. Most email clients such as Roundcube, Horde, Thunderbird, Outlook, and Mac Mail support customized signatures with text, images, and HTML formatting.

By setting up automatic email signatures, users can improve branding, maintain consistency, and enhance the overall appearance of their business communications.

If you require help, contact SupportPRO Server Admin