Land in the primary inbox on every send.
Real-time copy analysis built into your editor. Catch spam triggers, balance link density, and optimize subject lines before you hit send.
Real-Time Content Auditor
Fix spam triggers before your campaign launches.
Certain words and pushy phrasing instantly trigger email providers to send your email to the spam tab. Taildove scans your text as you write, flagging risk factors and suggesting high-trust copy alternatives.
- Instant spam phrase warnings as you compose your message
- High-trust phrasing suggestions that preserve open rates
- Link-density monitoring to prevent link-farming flags
"Claim your 100% FREE GUARANTEED CASH today"
"Explore your workspace benefits and account features today"
Subject Length
34 characters — optimal preview
Punctuation & Caps
Clean title casing verified
Plain-Text Preview Sync
Auto-generated fallback ready
Subject & Formatting Guard
Craft subject lines that drive opens without risk.
Subject lines give inbox filters their first impression. Taildove checks character counts, punctuation habits, and preview snippets so your messages look professional across all email clients.
- Prevents ALL CAPS and excessive exclamation mark penalties
- Optimizes snippet preview text for mobile and desktop readers
- Automatically synchronizes plain-text versions for maximum compatibility
Device & Reader Formatting
Flawless rendering on Gmail, Outlook & Apple Mail.
Broken layouts lower reader trust and trigger spam reports. Taildove formats your email structure so it renders cleanly whether opened on desktop, mobile, or dark mode.
- Responsive mobile rendering for clean readability on any device
- Automatic alt-text verification for images and graphics
- Clean HTML output stripped of bloatware styles
Gmail
Primary Inbox
Outlook
Focused Inbox
Apple Mail
Verified
Send your next campaign with complete confidence.
7-day free trial. Setup in 5 minutes. No credit card required.