RAPID SMTP vs Mailgun
Mailgun is a developer-first transactional email API. RAPID SMTP is the campaign layer that sits on top of Mailgun (or any SMTP). Here is how the two stacks compare for Bangladesh senders.
Published January 15, 2026 · By RAPID SMTP
Mailgun is a developer-first transactional email API. RAPID SMTP is the campaign layer that sits on top of Mailgun (or any SMTP). Here is how the two stacks compare for Bangladesh senders.
Side-by-side comparison
| RAPID SMTP | Mailgun | |
|---|---|---|
| Setup time | 2 minutes — paste Mailgun SMTP credentials | Domain verification required |
| Pricing | Flat ৳59–৳1,649/month | $15–$90+/month + per-email overage |
| Free tier | Free plan included | 5,000 emails/month for 3 months |
| Bring your own SMTP | Yes — Mailgun, SES, Gmail, anything | No — Mailgun IPs only |
| Campaign manager | Built-in campaigns + scheduling | No marketing UI — API only |
| Open & click tracking | Open + click tracking | Yes |
| API | REST + SMTP relay | REST + SMTP |
| Region & billing | Bangladesh, BDT | US / EU, USD |
Where RAPID SMTP wins
- Add a beautiful campaign manager on top of Mailgun in 2 minutes.
- Flat BDT pricing — predictable monthly cost.
- Use Mailgun's deliverability with RAPID SMTP's UI.
Where Mailgun wins
- Mailgun's inbound routing and email validation aren't replicated in RAPID SMTP.
- Mailgun has dedicated IPs out of the box; RAPID SMTP uses whatever IPs your SMTP provider gives you.
Verdict
Use them together. Mailgun for delivery, RAPID SMTP for the campaign UI, contacts, scheduling, and tracking — for a fraction of what a SendGrid + Mailchimp combo would cost.
Other comparisons
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