Why Emails Send Slowly with Image Signatures (And How to Fix It)

📅 18 Feb 2026 📂 General 👁 0 views

Many users notice that emails take longer to send or arrive late when using a signature that contains a logo or image. This can be confusing and frustrating, especially when everything else seems to work fine.

The good news? This is a common issue, and it’s usually easy to fix.

What Is Happening?

When you add an image (like a company logo) to your email signature, your email becomes slightly “heavier.”

That image needs to be:

• Loaded
• Verified by security systems
• Scanned by spam filters

All of this can slow down delivery.

Why This Matters

A slow email can cause problems such as:

• Delayed communication
• Clients thinking emails were not sent
• Missed responses
• Poor professional impression

When Users Typically Face This Issue

You may notice delays when:

• Using logo/image signatures
• Sending emails with attachments
• Sending emails to strict corporate mail servers
• Sending from Google Workspace / Gmail

Simple Solution: Use a Text-Based Signature

Replacing an image signature with a text signature often speeds up email delivery.

Text signatures are:

✅ Faster
✅ More reliable
✅ Less likely to trigger spam filters
✅ Easier to read on all devices

Step-by-Step: Create a Text Signature in Gmail

1️⃣ Open Gmail Settings

• Open Gmail
• Click the ⚙️ Settings icon
• Select See all settings

2️⃣ Find the Signature Section

• Scroll down to Signature

3️⃣ Create a New Signature

• Click Create New
• Enter a name (example: Office Signature)

4️⃣ Add Simple Text

Example:

SKYLINE HR SERVICES
Manpower & Recruitment Solutions
? +91 98765 43210
? www.skylinehrservices.com

5️⃣ Save Changes

• Scroll down
• Click Save Changes

Example of a Clean Text Signature

SKYLINE HR SERVICES Manpower & Recruitment Solutions Phone: +91 98765 43210 Website: www.skylinehrservices.com

Common Problems & Easy Fixes

❌ Emails Still Slow?

Try:

• Removing old signatures
• Clearing browser cache
• Checking internet speed

❌ Signature Looks Different?

Fix:

• Use simple fonts (Arial / Calibri)
• Avoid excessive colors
• Avoid copying from Word

❌ Emails Going to Spam?

Avoid:

• Too many images
• Fancy formatting
• Large logos

Important Precautions

⚠️ Avoid large images in signatures
⚠️ Avoid animated logos
⚠️ Avoid excessive styling

Best Practices for Daily Use

✅ Keep signatures simple
✅ Use text instead of images
✅ Add only essential details
✅ Test emails after changes

Short Conclusion

If your emails are sending slowly, your image signature may be the cause.

Switching to a text-based signature is the easiest and most effective solution.

Simple change → Faster emails → Better reliability.

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