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Reply capture is not a reporting nicety. It is what stops a sequence when someone answers and what detects bounces before they wreck an inbox — which is why every paid plan gets it, not just the top tier.

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The Replies inbox

Outreach → Replies shows everything that came back, filterable by campaign and kind: Over the API: GET /api/outreach/replies, with ?campaign=, ?kind=, ?sentiment=, ?limit= and ?offset=.

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Reply intelligence

Pro and Business plans.
Replies are classified so you can triage a hundred of them in a minute: Each classified reply also carries an intent, a short summary and a sentiment_score, plus workspace-level insights at GET /api/outreach/insights — patterns across your replies and concrete, approvable suggestions for what to change.
On plans without reply intelligence the sentiment fields are stripped from the API response entirely, not merely hidden in the UI — the endpoint is reachable with an API key, and a client-side gate is not a gate.

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Bounces

A bounce is recorded against the send, the lead and the inbox:
  • the lead’s email_status is set to the failing status, so it is never emailed again,
  • the enrollment stops,
  • the inbox’s 24-hour bounce rate updates, and if it crosses the threshold the bounce guard pauses that inbox automatically.
Hard bounces are permanent (the mailbox does not exist); soft bounces are transient (full mailbox, temporary server failure) and are treated far less harshly.

Prevent bounces at the source

Validate before you enroll. It is the fix for nearly every bounce problem.

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Unsubscribes

Every campaign email can carry an unsubscribe link. When someone uses it:
  1. the lead is flagged unsubscribed,
  2. their address is added to the workspace suppression list,
  3. all remaining steps for them are cancelled.
Unsubscribed leads still appear in the grid — filter with ?status=unsubscribed — so you keep the record without ever contacting them again.

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Suppression list

The workspace’s do-not-contact list. Nothing on it is ever sent to, by any campaign, from any inbox, in any brand. Addresses land there from unsubscribes, hard bounces, and manual additions.
Removing an address only clears the block. It does not re-enroll anyone, so a mistaken removal cannot by itself restart emails to someone who opted out.
Import your existing do-not-contact list here on day one — customers, competitors, anyone who has already asked you to stop.

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Staying compliant

ManyPI gives you the machinery; using it correctly is on you.
  • Include a working unsubscribe link and honour it immediately (ManyPI does this for you automatically).
  • Use a real, monitored reply-to address and a genuine physical address in your signature where required.
  • Do not disguise who you are or what the message is about.
  • Cold B2B email is regulated differently in different jurisdictions — GDPR in the EU, CAN-SPAM in the US, PECR in the UK. Know which applies to the people you are writing to.
This is not legal advice. If you are sending at volume into the EU, get the legitimate-interest basis for your outreach reviewed by someone qualified.