Chapter 6/10

Deliverability

Land in the inbox, not spam. DNS, warmup, and sending best practices.

⏱️ TL;DR: Configure SPF, DKIM, DMARC. Use dedicated domains (never primary). Warm up 2-3 weeks. Keep bounce rate under 3%.

DNS Setup

SPF: v=spf1 include:_spf.google.com ~all
DKIM: Add Google/Microsoft key
DMARC: v=DMARC1; p=none; rua=mailto:you@domain.com

Lemwarm Schedule

Week 1: 5-10 emails/day
Week 2: 15-25 emails/day
Week 3+: 30-40 emails/day

Sending Limits

50-100 emails/day per mailbox
Bounce rate: under 3%
Spam complaints: under 0.1%

Email Verification

Verify all emails before sending. Remove catch-all and invalid addresses.