Multi-account IMAP/SMTP email manager with RFC 8058 one-click unsubscribe, HMAC-signed tokens, and suppression list. Built for cold email outreach.
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Updated
Apr 14, 2026 - JavaScript
Multi-account IMAP/SMTP email manager with RFC 8058 one-click unsubscribe, HMAC-signed tokens, and suppression list. Built for cold email outreach.
The "it's not you, it's your mail server" fix for Okta bounce suppression.
SparkPost APIs.json profile
Add a description, image, and links to the suppression-list topic page so that developers can more easily learn about it.
To associate your repository with the suppression-list topic, visit your repo's landing page and select "manage topics."