Goal
Ensure your domain and email content are ready to scale cold outreach without getting flagged as spam.
🔧 Technical setup
Set the foundation for clean sending.
Create and configure a dedicated domain (e.g.
company.io): Keeps your main domain safe.SPF, DKIM, and DMARC validated: Essential email security protocols. Use tools like MXToolbox or Mail-tester.
Redirection to main website: All replies and clicks should land on your real site.
Real email address (no no-reply): Send from human-friendly addresses like
[email protected].
🔥 Warm-up process
Start slow to earn inbox trust.
Send up to 10 emails/day at first: New domains need time. Go slow to avoid being flagged as spam.
Control the number of emails you send by setting your limit in the domain settings.
Increase volume by +20% every 2–3 days
Never send more than 50 emails/day in the first 2 weeks
Slow down if emails land in spam or domain reputation drops
Sending volume matters — stay consistent and monitor closely
✍️ Content best practices
What you say impacts your sender reputation.
No images in the email body
Only 1 short, non-tracked link
Avoid spam trigger words (e.g. free, urgent, promotion)
Use a simple text signature — no logos, no HTML
CTA should be natural (e.g. "15 min next Thursday?")
⚖️ Compliance & GDPR
Respect privacy and legal boundaries.
B2B contacts only
Email must be personalized (name, company, role)
The message must be relevant to the job
Include an unsubscribe link
Don’t email countries like Canada or Denmark without prior consent
📈 Key KPIs to monitor
These numbers tell you if you’re doing it right.
Bounce rate under 5%
No spam complaints
Open rate above 20%
Reply rate above 5%
🧠 Final Reminder
A burned domain = lost trust = weeks of recovery.
Focus on clean, consistent sending over volume. Always.
👩🏼💻 For further information, please do not hesitate to contact us: