How do I configure reply detection?

Updated Nov 2, 2026

There is no switch to turn on. Replies are detected automatically when they arrive in a mailbox MailRush reads.

Steps

  1. Check the sender: your own account with working IMAP, a MailRush email account with Primary mail hosting, or one with Outgoing campaigns only and Reply forwarding turned on.
  2. Run Test authentication in Email Accounts to confirm the IMAP login.
  3. To stop follow-ups on replies, keep the campaign's Stop Strategy on If any email gets a reply.

More details in the FAQ

The FAQ is in the MailRush.io app under Support (sign-in required).

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