Send via SMTP
or API. Your call.
Point any existing client or framework at Plunk. Same domains, same tracking, same price.
SMTP
Plunk
- Host
- smtp.useplunk.com
- Port
- 587
- Username
- plunk
- Password
- Your secret key
What you get
Works with what you have
Mail clients, frameworks and older systems keep working. Change the settings, not the code.
Sent over SMTP
Your October invoice
Tracked like the API
SMTP mail goes out through the same pipeline, so opens, clicks and bounces are recorded.
Encrypted in transit
STARTTLS on port 587 and implicit TLS on port 465.
Also included
Attachments
Full MIME support, files included.
Custom headers
Your own headers pass straight through.
Multiple recipients
Send to several people in one message.
Same verified domains
Send from the domains you already verified.
Same price
$0.001 per email, like the API.
No SDK to adopt
Any language with an SMTP transport works.
SMTP or API
Both send through the same pipeline. These are the differences.
| Feature | SMTP | API |
|---|---|---|
| Setup | Credentials | API key |
| Works with mail clients | ||
| Open and click tracking | ||
| Attachments | ||
| Plunk templates | ||
| Triggers workflows |
Frequently asked questions
Point your app at Plunk.
Start on the free plan with 1,000 emails a month, no credit card needed. When you need more, every email is $0.001, with unlimited contacts and every feature included.