Email queue and delivery logs

Use queue and delivery logs to diagnose stuck, failed, blocked, bounced, or delayed email.

6 min readUpdated July 2026

Queue vs delivery

  • Email queue shows messages waiting or attempting to send
  • Delivery logs show provider acceptance, failure, bounce, complaint, or block result
  • Use both views when troubleshooting campaigns and cadences
Video walkthrough placeholder showing email queue, delivery log, failed item detail, retry, and linked contact or lead.
Video: Email logs
Video walkthrough placeholder showing email queue, delivery log, failed item detail, retry, and linked contact or lead.
Email queue page showing pending, processing, failed, recipient, sender, retry status, and item detail.
Email queue page showing pending, processing, failed, recipient, sender, retry status, and item detail.

What to inspect

  • Mailbox connection
  • Recipient verification
  • Opt-out or suppression
  • Provider reason
  • Campaign or cadence source
  • Retry status

Common issues

  • Queued too long — check email monitoring and provider health
  • Blocked — review permissions, opt-out, or verification
  • Bounced — suppress or correct recipient address

Ready to try this in FlowForce?

Start free — set up your workspace and follow along with this guide.

Start freeEmail support