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docs: document OpenSSL system dependencies (#1030)

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Paolo Barbolini
2025-02-01 22:14:14 +01:00
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parent 4513e602d6
commit 5f13636b49
1 changed files with 13 additions and 1 deletions
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src/lib.rs
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@@ -34,13 +34,25 @@
//!
//! _Secure SMTP connections using TLS from the `native-tls` crate_
//!
//! Uses schannel on Windows, Security-Framework on macOS, and OpenSSL on Linux.
//! Uses schannel on Windows, Security-Framework on macOS, and OpenSSL
//! on all other platforms.
//!
//! * **native-tls** 📫: TLS support for the synchronous version of the API
//! * **tokio1-native-tls**: TLS support for the `tokio1` async version of the API
//!
//! NOTE: native-tls isn't supported with `async-std`
//!
//! ##### Building lettre with OpenSSL
//!
//! When building lettre with native-tls on a system that makes
//! use of OpenSSL, the following packages will need to be installed
//! in order for the build and the compiled program to run properly.
//!
//! | Distro | Build-time packages | Runtime packages |
//! | ------------ | -------------------------- | ---------------------------- |
//! | Debian | `pkg-config`, `libssl-dev` | `libssl3`, `ca-certificates` |
//! | Alpine Linux | `pkgconf`, `openssl-dev` | `libssl3`, `ca-certificates` |
//!
//! #### SMTP over TLS via the boring crate (Boring TLS)
//!
//! _Secure SMTP connections using TLS from the `boring-tls` crate_