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Send HIPAA compliant email with Rust
Add secure, transactional email to any Rust app with the Paubox crate module. BAA included, TLS 1.2+ by default.
Integrate with any Rust app
Drop the paubox-go module into your existing Rust stack and start sending in minutes.
use paubox::{Message, PauboxClient};
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
let client = PauboxClient::from_env()?;
let message = Message::builder()
.from("sender@yourdomain.com")
.to(["recipient@example.com"])
.subject("Your first Paubox email")
.text_content("This message was sent with the Paubox Rust SDK.")
.build()?;
let response = client.send_message(&message).await?;
println!("Sent. Tracking ID: {}", response.source_tracking_id);
Ok(())
}
All you need to get started
Resources to help you integrate HIPAA compliant email into your application quickly.
API reference
Understand every REST endpoint and parameter available to your application.
Check docsHealthcare teams ship faster on Paubox
"Using Paubox Email API for our system notifications saves our customers time, saves them trouble, and gives them more information."
"The ease of implementation was really, really helpful. And is still helpful today because we were able to prototype and release new features easily."
Frequently asked questions
Everything you need to know about sending HIPAA compliant email with Rust.
Yes. The Paubox Rust SDK is the official client library for the Paubox Email API. It sends HIPAA compliant transactional email and works in any Rust application.
Add paubox = "0.1" to your Cargo.toml, then set your Paubox API credentials as environment variables. See the Rust quickstart for the full setup.
Rust 1.75 or later.
Install the SDK, configure your Paubox API credentials, build a message with your recipients, subject, and content, then call the send method. Most teams send their first message in minutes. See the Rust quickstart for a complete example.
Yes. The SDK is a standard Rust package, so it drops into async runtimes like Tokio and web frameworks like Axum or Actix. You call it the same way from anywhere in your Rust code.
Yes. Every plan includes a signed business associate agreement (BAA) and enforces transport layer security (TLS) 1.2 or higher by default, so messages are compliant out of the box.
Yes. A business associate agreement (BAA) comes with every plan, including the free tier, so you can send protected health information (PHI) from your Rust app without signing a separate agreement.
Yes. The SDK supports single sends, bulk sends, and reusable dynamic templates. Store a personalized template once and render it at send time with per-recipient values.
lettre sends email but does not make you HIPAA compliant on its own. With Paubox you get a BAA and HIPAA compliant infrastructure, and you can either use the Rust SDK or keep lettre and point it at the Paubox SMTP relay.
You can send 300 emails per month for free, BAA included. Paid plans scale from there to millions of messages. See the pricing page for current tiers.
Send 300 emails per month, free
Integrate HIPAA compliant email in minutes. Easy for recipients to read, available in 10 SDK languages.