Email Deliverability Best Practices

1. Use a Reputable SMTP Server

Choose an SMTP provider with a strong sending reputation and reliable infrastructure. At SMTP-Plans, we maintain high IP reputation to ensure your emails land in inboxes.

2. Authenticate Your Emails

Set up essential DNS records for authentication:

• ✔️ SPF (Sender Policy Framework)
• ✔️ DKIM (DomainKeys Identified Mail)
• ✔️ DMARC (Domain-based Message Authentication, Reporting & Conformance)

3. Clean Your Email List Regularly

Remove inactive, invalid, or bounced email addresses to reduce spam complaints and increase engagement.

4. Avoid Spammy Content

Don't use all-caps, misleading subject lines, or excessive punctuation. Keep formatting clean and use clear, valuable content.

5. Use Double Opt-In

Ensure users confirm their subscription to avoid spam traps and fake signups. This improves engagement and sender reputation.

6. Monitor Bounce Rates and Engagement

Track delivery, open, and click rates. A sudden drop may signal a reputation issue or blocklist event.

7. Send Consistently

Send on a regular schedule. Sudden volume spikes can trigger spam filters or rate limiting from ISPs.

8. Warm Up New IPs

Gradually increase your sending volume when using a new IP or domain to build trust with ISPs.

Start Optimizing Your Deliverability Today

SMTP-Plans helps you achieve better deliverability with optimized servers, warm-up guidance, and analytics.