SignEmail SMTP & DNS Diagnostic
Stop WordPress emails from going to spam. Send emails via SMTP and check SPF, DKIM, DMARC records to improve email deliverability.
SignEmail SMTP & DNS Diagnostic ranks #66,751 among WordPress.org plugins with 1+ active installations, is #1,962 of 3,382 in the Communication category, a 1/5 rating from 0 reviews, and was last updated Apr 25, 2026. Data from WordPress.org, refreshed twice daily — see methodology.
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- Version
- 2.4.37
- Last Updated
- Apr 25, 2026
- Requires WP
- 5.8+
- Tested Up To
- 6.9
- PHP Version
- 8.0 or higher
- Author
- SMTPDKIM
Support & Rating
- Rating
- ★ ☆ ☆ ☆ ☆ 1
- Reviews
- 0
- Support Threads
- 0
- Resolved
- 0%
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