Changelog

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May 2026

• REST API — Send transactional emails via api.unosend.co
• SMTP Relay — Connect via smtp.unosend.co:587 with TLS
• Email Templates — Create and send with dynamic merge tags
• Domain Authentication — SPF, DKIM, and CNAME tracking verification
• Webhooks — Real-time delivery, bounce, open, and click notifications
• Suppression Lists — Automatic bounce/complaint handling
• Email Logs — Full delivery history with export capability
• File Cache — Upload and reuse attachments across emails
• Batch Sending — Send to multiple recipients in one API call
• Open & Click Tracking — Built-in tracking with per-email control
• Dedicated IP — Available for high-volume senders