Email Spam Tester
Check an email before it goes out: SPF, DKIM, DMARC, blocklists, content and a fix plan, plus the folder it lands in at different mailbox providers.
- Brand
- Email Spam Tester
- Category
- Marketing
- Primary Subcategory
- Email Deliverability & Validation
Integration details
Description
Email Spam Tester checks an email the way receiving mail servers do, before it goes out to your list. Ask Claude for a test address and send your draft to it from the platform you normally use. A minute later the card in the chat shows the report: a score out of 100, SPF, DKIM and DMARC with alignment, reverse DNS, TLS, 21 blocklists, links, HTML structure, the Gmail and Yahoo bulk-sender rules, SpamAssassin and Rspamd verdicts and a ClamAV scan. The report ends with a fix plan, and DNS records come ready to paste. Claude can rewrite the draft from there, and you test again with a fresh address. The same send can also show which folder the email lands in at different mailbox providers (inbox, promotions or spam). Some of those inboxes are public test inboxes, so use a message that is not confidential for that part. The connector does not send email and cannot see your mailbox or your sending platform. You send the test message yourself, because half of the checks read what your platform adds to it. Reports open only by their link and are kept out of search engines, so a report can be shared with whoever fixes the DNS.
- Integration type
- Connector
- Verification status
Community connector- Platform
- Claude
- Primary Subcategory
- Email Deliverability & Validation
- Secondary Subcategories
- None listed
- Brand
- Email Spam Tester
- Access
- No account required
- First tracked
- 2026-09-30
- Tool count
- 4
- Geography
- US
The Primary Subcategory used for this profile’s headline score.
Other Subcategories where the Integration is listed.
Claude Connector discovery is coming soon
Community Connectors only appear in Claude’s registry.Once verified, organic discovery begins and we can calculate your score.Read more about Community Connector verification.
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What discovery looks like

Claude can surface verified Connectors when they match a user’s Prompt.
How Claude Connector discovery works
Your Connector will compete to appear for users’ Prompts once Claude verifies it
Competing in Claude Email Deliverability & Validation
View Category4 tools agents can invoke
Email Spam Tester Claude Connector FAQ
How the directory, categories and Discoverability Score work.
Read the methodologyHow do I improve Email Spam Tester's Claude Connector discoverability?
The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.
What are Email Spam Tester alternatives on Claude?
As of 2026-10-12, Email Spam Tester competes with Allegrow, Bouncer Email Verification MCP Server, Easy Email Verification, Inbox Monster MCP, MailerSend, MyEmailVerifier, PingValid, Postbox Services: Email Deliverability & Security Tools and 5 more in Claude Email Deliverability & Validation, ranked by public Discoverability Score.
Where is this profile measured?
This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.