SVG for Email Marketing
SVG in email is a minefield  most major clients don't support it. Here's what works, what doesn't, and the safest strategies for sharp email graphics.
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Email Client SVG Support
The reality of SVG in email in 2026.
- Apple Mail (Mac + iOS): renders inline SVG and <img src='.svg'> correctly
- Gmail: strips SVG  use PNG
- Outlook 2016–2021: no SVG support  use PNG
- Outlook 365 (web): no SVG support  use PNG
- Samsung Mail: no SVG support  use PNG
- The Bat!, Thunderbird: partial SVG support  test before relying on it
The Safe Email Graphics Strategy
For universal email compatibility, don't use SVG  use high-res PNG.
- Export graphics at 2Ã display width (e.g., 300px wide for 150px display)
- Use PNG with transparent background for logos on colored email backgrounds
- Host images on your server (CDN)  don't embed as base64 in email body
- For Apple Mail-only campaigns (verified audience): inline SVG works
- Animated email graphics: use GIF  not SVG animation
Frequently Asked Questions
Why is SVG not widely supported in email?
Email clients are cautious about security  SVG can contain JavaScript. Most clients strip SVG to prevent XSS attacks. This is unlikely to change for Outlook as Microsoft prioritizes security.
What's the best image format for email logos?
PNG at 2Ã display resolution (retina-ready). A logo displayed at 150px wide should be exported as 300px PNG. This looks sharp on retina iOS and Mac Apple Mail while maintaining compatibility everywhere.
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