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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Apr 14, 2026 - JavaScript
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suppression-list
Here are 8 public repositories matching this topic...
The "it's not you, it's your mail server" fix for Okta bounce suppression.
chrome-extension browser-extension okta edge-extension email-bounce email-deliverability manifest-v3 suppression-list okta-admin bounce-list
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Jul 23, 2026 - JavaScript
A focused Go CLI that adds confirmed hard bounces to an email suppression list with safe retries.
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Sep 3, 2026 - Go
FastAPI example that checks tenant lifecycle and recipient opt-outs before B2B SaaS SMS sends.
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Sep 1, 2026 - Python
A Go JSONL pipeline that records confirmed marketplace hard bounces in email suppression.
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Sep 3, 2026 - Go
Python worker that records hard-bounced course email recipients in an API suppression list.
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Aug 21, 2026 - Python
SparkPost — independent third-party profile of a public API surface, by API Evangelist. SparkPost (now part of Bird) is the world's leading email delivery platform, providing a REST API for sending transactional and marketing emails, managing templates, tracking analytics, handling suppressions, and processing inbound email.
webhooks analytics email templates smtp email-delivery transactional-email apis-json marketing-email suppression-list
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Sep 4, 2026
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