Email Deliverability Optimization

Ensure outbound emails reach the inbox — domain setup, warmup strategies, content hygiene, and monitoring practices.

skillOutbound AutomationGTM VaultOutboundData Ops

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Email Deliverability Optimization

When to Use

Use when setting up new sending domains, troubleshooting deliverability, or optimizing inbox placement.

Domain Setup Checklist

SPF record configured
DKIM signing enabled
DMARC policy set (start with p=none)
Custom tracking domain (not shared)
Separate domain from corporate email

Warmup Strategy

Week	Daily Volume	Target
1	5-10	Known contacts, get replies
2	15-25	Warm contacts
3	30-50	Mixed audience
4	50-75	Full campaigns (monitored)
5+	75-150	Steady state

Content Hygiene Rules

No URL shorteners
Limit to 1-2 links per email
Avoid image-heavy emails
No attachments in cold email
Plain text > HTML for cold outreach
Keep under 150 words

Monitoring

Track inbox placement rate (target: >95%)
Monitor blacklist status weekly
Check bounce rate (<3% threshold)
Review spam complaints (<0.1%)
Test with seed list before campaigns

Tech Stack

Saleshandy

Saleshandy