Check SPF, DMARC, BIMI, MTA-STS and TLS-RPT records for any domain. Embed email authentication checkers with a shortcode.
Alternatives to Mailsure
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Reliable WordPress email delivery with multiple providers, two connections, Return Path, Reply-To and visual AND/OR routing.
Find out if your site's emails reach the inbox or land in spam, and what to fix. Works with WooCommerce and any SMTP plugin.
Protect your domain's email against email spoofing. Discover who's sending as you, then generate SPF/DKIM/DMARC records to stop spoofing — s …
Find public DNS and authentication problems that can affect WordPress email delivery, including MX, SPF, DKIM, and DMARC.
Inspect email authentication and mail attempts with SPF, DKIM, DMARC diagnostics, privacy-conscious logs and WooCommerce support.
Comprehensive email deliverability diagnostics tool - checks SPF, DKIM, DMARC, PTR, MX records, and SMTP configuration.
Email log, SPF/DKIM/DMARC checks and failure alerts. Find out why WooCommerce order emails go to spam or never arrive.
Meser10 Email Auth Checkv1.0.1
Checks the SPF, DKIM and DMARC records of your domain and explains in plain language what is missing and why it matters.
Configure SMTP sending, choose sender details and check a test email with a guided, privacy-conscious WordPress setup.