SendBridge Email Verification

SendBridge provides email verification for cleaning mailing lists. According to the page, it quickly flags invalid or undeliverable emails and identifies risky types such as spam traps, role accounts, catch-all servers, and disposable addresses. Every verified address is categorized as Deliverable, Undeliverable, Risky, or Unknown. Users can upload lists through a web client area and download results, which are available in XLSX, CSV, or TXT formats in the same order as the upload. A real-time verification API is offered for integration with languages such as Go, Java, PHP, Python, and .NET. The page also offers a free Mail-Tester alternative that provides a 0-100 deliverability score, SPF/DKIM/DMARC analysis, and blacklist checks. The page claims 99% accuracy and offers a free plan with 100 checks per month.

Key features

• Flags invalid or undeliverable email addresses
• Identifies spam traps, role accounts, catch-all servers, and disposable addresses
• Categorizes results as Deliverable, Undeliverable, Risky, or Unknown
• Bulk list upload through a client area with downloadable results
• Downloads cleaned lists in XLSX, CSV, or TXT formats, preserving upload order
• Real-time email verification API with support for Go, Java, PHP, Python, and .NET
• Free Mail-Tester alternative with 0-100 deliverability score
• SPF, DKIM, DMARC analysis and blacklist checks in the free deliverability tool
• Free plan with 100 email checks per month

Best suited for

• Email marketers cleaning mailing lists before campaigns
• Businesses seeking to reduce bounce rates and protect sender reputation
• Developers integrating real-time email verification into applications
• Teams checking email deliverability setup

Pricing

Free plan with 100 checks per month; paid pricing is referenced on the website but not detailed on the supplied page