Stop letting bounces and unsubscribes kill your domain reputation. This is an infrastructure problem that requires an automated, system-level solution, not manual list cleaning.
A bounce rate over 3% is a red flag for mailbox providers. Automated bounce handling is non-negotiable for protecting domain reputation.
Ignoring unsubscribe requests is a fast path to spam complaints and blacklists. Your infrastructure must process them instantly and globally.
Manual list cleaning is a losing battle. An automated suppression list ensures a bounced or unsubscribed contact is never emailed again.
Hard bounces signal permanent failures and must be suppressed immediately. Soft bounces require monitoring but also impact deliverability.
Every email sent to an invalid address (a bounce) or to a user who opted out (an unsubscribe) sends a negative signal to mailbox providers. At scale, manual list cleaning is impossible and guarantees your domains land in spam. Proper handling isn't about list hygiene; it's about core sending infrastructure.
For teams sending 10k-1M+ emails per month, trying to manage bounces and unsubscribes with spreadsheets and manual CRM updates is an operational nightmare that directly harms deliverability.
A properly architected outbound system treats bounce and unsubscribe handling as a core infrastructure function, not a manual task. For a Deliverability Lead or RevOps Manager, the ideal state is fully automated:
Setting up a robust system requires thinking about infrastructure, not just workflows. Here are the high-level steps:
550 User unknown) should trigger an immediate add to the suppression list.Managing this infrastructure manually is complex and requires significant engineering resources. An enterprise-grade outbound platform provides this functionality out of the box.
Look for a platform that offers:
SuperSend is designed as this execution and infrastructure layer for outbound teams sending at volume. It manages bounce and unsubscribe handling automatically so your team can focus on strategy, not manual list cleaning. The next step isn't just adopting a tool, but understanding the core strategies for building resilient deliverability infrastructure.
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