Setting Up Domain Authentication

Add Domain

Settings → Domains → Add Domain. Records generated automatically.

SPF

TXT: v=spf1 include:_spf.igsendmail.com ~all

DKIM

TXT at igsendmail._domainkey (value in dashboard)

DMARC

TXT: v=DMARC1; p=quarantine; rua=mailto:dmarc@yourdomain.com

Verify

Click Verify Domain. Green checkmarks confirm setup.