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Best SMTP for WordPress: Top Email Providers Compared

Digital Marketing Tools, WordPress Workflow

Best SMTP Services for WordPress Mailing (2024–2025)

Sending emails from your WordPress site requires a reliable SMTP (Simple Mail Transfer Protocol) service to ensure high deliverability and avoid spam filters. Whether you’re sending transactional emails, newsletters, or marketing campaigns, choosing the right SMTP provider is crucial. Below, we compare the best SMTP services for WordPress based on pricing, features, and ease of use.

🏆 Top SMTP Services for WordPress

Here’s a detailed comparison of the best SMTP providers available in 2024–2025:

Provider
Free Tier
Starting Price (Monthly)
Price per 10k Emails*
Daily Sending Limits
Key Notes

Amazon SES
None (test only)
$0.10 per 1k emails
$1.00
Scalable
Best price, great deliverability, setup required

Brevo (Sendinblue)
300 emails/day
$15 for 10k/month (w/attribution)
$15.25 ($26 without attribution)
300/day (free)
User-friendly, includes marketing features

Mailgun
5,000 emails/month (1st 30 days)
$15 for 10k/month
$15.00
300/day (free), scalable
Good API, advanced features

SMTP2GO
1,000 emails/month (free forever)
$15 for 10k/month
$15.00
1k (free), scalable
Easy UI, good support, ideal for email campaigns

Postmark
No free tier for bulk email
$15 for 10k emails
$15.00
For transactional use
Ultra-fast, not ideal for high-volume marketing

Mailjet
6,000/month (200/day limit)
$15 for 15k/month
$15.00
200/day (free)
Built-in editor, basic analytics, shared IP

AuthSMTP
None
$16 for 10k/month
$16.00
3.00GB / month
Plan-dependent
Reliable, suitable for small lists

*Prices approximate and based on basic/entry-level plans. Some include sending limits or shared IPs.

🔍 Detailed Breakdown

🚀 Best for High Volume: Amazon SES

  • Pros: Extremely cost-effective ($1 per 10k emails), scalable, excellent deliverability.

  • Cons: Requires technical setup, no free tier beyond testing.

  • Best for: Large-scale email senders who need affordability.

🛠️ Best All-Around: Sendinblue (Brevo) & SMTP2GO

  • Sendinblue Pros: Easy setup, includes marketing automation, free tier available.

  • SMTP2GO Pros: Simple UI, great customer support, scalable for growing businesses.

  • Best for: WordPress users who want a balance of ease and functionality.

⚡ Fastest for Transactional Emails: Postmark

  • Pros: Blazing-fast delivery, great for order confirmations & password resets.

  • Cons: No free bulk email tier, not ideal for marketing blasts.

  • Best for: E-commerce sites needing reliable transactional emails.

💻 Best for Developers: Mailgun & SendGrid

  • Mailgun Pros: Powerful API, advanced tracking, flexible for developers.

  • SendGrid Pros: Enterprise-grade, strong analytics, trusted by big brands.

  • Best for: Tech-savvy users who need API-driven email solutions.

📧 Best Free Tier Options: Mailjet & SMTP2GO

  • Mailjet Pros: Decent free plan (6k/month), built-in drag-and-drop editor.

  • SMTP2GO Pros: Forever-free tier (1k/month), easy migration.

  • Best for: Small businesses or startups testing email marketing.

⚠️ Legacy Option: AuthSMTP

  • Pros: Works with older systems like phpList, simple setup.

  • Cons: Expensive per-email cost, outdated compared to competitors.

  • Best for: Small mailing lists where simplicity is key.

🎯 Final Recommendation

  • Budget-conscious & high volume? → Amazon SES

  • Need ease of use & marketing tools? → Sendinblue (Brevo)

  • Prioritize speed for transactional emails? → Postmark

  • Developer needing API control? → Mailgun or SendGrid

Choosing the right SMTP service ensures your WordPress emails reach the inbox. Consider your volume, budget, and technical needs before picking a provider.

🔗 Need help setting up? Most providers offer WordPress plugins (like WP Mail SMTP ) for easy integration!

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