Keep your store’s messages
connected to your backend.
Send receipts and account notifications through the API or SMTP. Your technical team connects the store; customer events and workflows provide the building blocks for a custom post-purchase journey.
SMTP that fits your existing stack
Authentication, tracking, and strong deliverability included from the first send
Simple Configuration
Plug in your project credentials and go — any SMTP-capable app or email client connects in minutes.
Secure Connections
Connections run over TLS/SSL on ports 465 and 587, so your mail never travels in the clear.
Universal Compatibility
Outlook, Thunderbird, Apple Mail, or anything else that speaks SMTP — they all just work.
Domain Validation
Before any message is accepted, Bitelio confirms the sender domain has been verified — no manual checks.
Full Feature Support
Multiple recipients, attachments, HTML bodies, and custom headers are all covered.
Same Infrastructure
Mail sent over SMTP travels the identical delivery pipeline as API mail — tracking included.
SMTP or API?
Pick whichever fits how you build
| Feature | Traditional SMTP | Bitelio SMTP | Bitelio API |
|---|---|---|---|
| Protocol | SMTP | SMTP | HTTP/REST |
| Setup Complexity | Medium | Easy | Easy |
| Tracking & Analytics | ✗ | ✓ | ✓ |
| Works with Email Clients | ✓ | ✓ | ✗ |
| Domain Verification | Manual | Automatic | Automatic |
| Attachments | ✓ | ✓ | ✓ |
| Template Support | ✗ | ✗ | ✓ |
| Workflow Automation | ✗ | ✗ | ✓ |
Our advice: reach for the API when building modern apps that need workflow automation; reach for SMTP when connecting email clients or older systems.
Where SMTP shines
Three situations where it's the obvious choice
- 01
Legacy System Integration
Got software that already speaks SMTP? Point it at Bitelio's credentials and leave the rest of the codebase untouched.
→ Not a line of code to change - 02
Email Client Sending
Your marketing team keeps sending from Outlook, Thunderbird, or Apple Mail — no new API to learn, no new habits to build.
→ Familiar tools, zero learning curve - 03
Framework Compatibility
If a language or framework can speak SMTP, it can send through Bitelio — including older platforms with no HTTP API support.
→ One protocol, every stack
Your SMTP credentials are waiting.
Grab your credentials and send from any client or application within minutes. No credit card needed to start.