Check the email before the spam filter does.
Paste it, upload it or load a template. Get a score out of 100, a real spam filter score and a fix for every issue.
How it works
Three steps, about a minute
Check a draft, fix what it flags, check it again before the campaign goes out.
- 01
Add the message
Paste it as plain text or HTML, upload the .eml you exported, or load a step from one of your templates.
- Plain text
- HTML
- Upload .eml
- Load from template
- 02
Check deliverability
A score from 0 to 100 with a grade, every failed check, warning and pass, and the spam filter score.
- Score and grade
- Failed · Warnings · Passed
- Spam filter score
- 03
Fix it and check again
Each issue says why it matters and how to fix it. Help me fix it drafts the edits with SpirenAI.
- Apply one by one
- Apply all
- Re-check
What it checks
Every part a filter reads
Each check comes back failed, warning or passed, with why it matters and how to fix it.
Subject line
What the recipient and the filter see first.
- Length and spacing
- Capitals, punctuation and emoji
- Fake Re: or Fwd: prefixes
- Spam-trigger phrases
Body copy
The copy itself, read the way a filter reads it.
- Length and format
- Capitals and exclamation marks
- Money and prices
- Disguised words like fr3e
Spam-trigger phrases
610 phrases in a maintained list, each flagged with a suggested replacement.
- Urgency and pressure
- Money and over-promises
- Shady and medical wording
- Subject and body
Links
Where every link goes, and whether it says so.
- Link shorteners and redirects
- Links to bare IP addresses
- Text that hides the destination
- Insecure or broken links
Images
Images that read as a flyer rather than a note.
- Text versus images
- Missing alt text
- Embedded images
- Tracking pixels
HTML
Markup that filters penalise or mail clients break.
- Size and structure
- Scripts, forms and embeds
- Hidden text and comments
- Plain-text version
Compliance
The parts that make a cold email legitimate.
- From name and address
- Reply-To
- Opt-out
- Attachments
Personalization
The merge tags that turn one email into many.
- Merge fields that will not fill
- Broken spintax
The result
See the rule, then the fix
Every spam filter rule triggered, and an edit for every issue you can apply.
Template checker questions
What gets checked, how the score works and what happens to your message.
Any email you are about to send. Paste plain text or HTML with a subject and From address, upload an .eml file exported from your mail client or another tool, or load a step from one of your SendCanyon templates. Every check is saved to History.
Check your next email before it sends.
Paste a draft into the template checker on your free trial.
14-day free trial. No card required.