Skip to content

ESP Deliverability Report

Updated Apr 1, 2026

SendGrid

Transactional and marketing email delivery at scale

Deliverability Grade

A

Excellent email deliverability practices

20%

Primary Inbox

65%

Promotions Tab

13.5%

Avg Spam Rate

Marketing + Transactional

Platform Type

Shared IPs

Available

Dedicated IPs

Available

IP Warmup Required

Yes

Price Range

Mid-range

Dedicated IP Min Volume

10,000+ emails/day recommended

Authentication & DMARC Alignment

SPF Auto-Configured

Yes

DKIM Auto-Configured

Yes

Custom Sending Domain

Yes

DMARC Alignment Notes

SendGrid auto-configures DKIM and SPF using your custom domain when you set up domain authentication. This passes DMARC alignment correctly out of the box with domain authentication enabled.

Deliverability Features

  • Expert Services deliverability consulting
  • IP Warmup automation tool
  • Real-time event webhooks
  • Advanced suppression management
  • Dedicated IP provisioning
  • Subuser reputation isolation

Shared IP Reputation

SendGrid segments shared IPs into pools by engagement quality. Their architecture automatically routes higher-performing senders into cleaner pools — you're not randomly pooled with spammers.

Best For

Transactional email (receipts, alerts)High-volume SaaS notificationsDeveloper-first teamsMixed marketing + transactional use cases

Inbox Placement Breakdown

Primary Inbox20%
Promotions Tab65%
Spam Folder15%

Benchmarks based on InboxEagle seed list testing data across ecommerce and SaaS senders. Individual results vary based on list quality, engagement, and domain reputation.

Key Takeaways for SendGrid Senders

→

SendGrid scores a Grade A with a 13.5% average spam rate and 20% Primary inbox placement.

→

Configuring a custom sending domain is straightforward — do this before scaling sends.

→

Dedicated IPs are available from 10,000+ emails/day recommended. Below this threshold, shared pools offer more established reputation.

See Your Actual SendGrid Inbox Placement

Benchmarks show averages. InboxEagle shows you exactly where your SendGrid emails land — Gmail Primary vs. Promotions vs. Spam — across Gmail, Yahoo, AOL and Outlook after every send.

Start 14-Day Free Trial
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

No spam. Unsubscribe any time.