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⚠️ High Priority

SendGrid High Bounce Rate: Clean Your List

Your SendGrid bounce rate is above 2-3%

Fix within 24-48 hours.

Check SendGrid bounce metrics:

1

In SendGrid analytics, check bounce rate

2

Identify when bounces increased

3

Check email list quality

What Could Be Causing This?

SendGrid Imported Low-Quality List

Most Common
InboxEagle Detects This ✓

Unvalidated list import causes bounces.

How to confirm:

Check when bounce rate spiked.

Fix Playbook

Step 1: Remove Bounced Addresses from SendGrid

HoursImpact: High
  1. In SendGrid, export bounced email addresses
  2. Remove from your suppression list if needed
  3. Validate list before next import
  4. Bounce rate should drop immediately

SendGrid-Specific Note:

SendGrid tracks bounces per address automatically.

Prevention Checklist

  • Validate emails before importing
  • Monitor bounce rate weekly

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Frequently Asked Questions

Does SendGrid auto-suppress bounces?
Yes, SendGrid auto-suppresses hard bounces after a single hard bounce event.
Free Checklist

The exact checklist used by 2,000+ email senders to diagnose and fix inbox placement issues — free.

  • Authentication setup (SPF, DKIM, DMARC)
  • Sender reputation signals to monitor
  • List hygiene benchmarks
  • Content & engagement red flags

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