Install complete openssl on windows

.appveyor.yml

@@ -1,11 +1,10 @@
 environment:
   matrix:
   - TARGET: x86_64-pc-windows-msvc
-  - TARGET: i686-pc-windows-msvc
   - TARGET: x86_64-pc-windows-gnu
-  - TARGET: i686-pc-windows-gnu
 install:
-  - cinst openssl.light
+  - ps: Start-FileDownload 'http://slproweb.com/download/Win64OpenSSL-1_0_2d.exe'
+  - ps: Start-Process "Win64OpenSSL-1_0_2d.exe" -ArgumentList "/silent /verysilent /sp- /suppressmsgboxes" -Wait
   - ps: Start-FileDownload "https://static.rust-lang.org/dist/rust-nightly-${env:TARGET}.exe" -FileName "rust-nightly.exe"
   - ps: .\rust-nightly.exe /VERYSILENT /NORESTART /DIR="C:\rust" | Out-Null
   - ps: $env:PATH="$env:PATH;C:\rust\bin"

src/transport/file/mod.rs

@@ -43,7 +43,8 @@ impl EmailTransport for FileEmailTransport {
         info!("{} status=<written>", log_line);
 
         Ok(Response::new(Code::new(Severity::PositiveCompletion, Category::MailSystem, 0),
-                         vec![format!("Ok: email written to {}", file.to_str().unwrap_or("non-UTF-8 path"))]))
+                         vec![format!("Ok: email written to {}",
+                                      file.to_str().unwrap_or("non-UTF-8 path"))]))
     }
 
     fn close(&mut self) {

tests/transport_file.rs

@@ -1,12 +1,14 @@
 extern crate lettre;
 
+use std::env::temp_dir;
+
 use lettre::transport::file::FileEmailTransport;
 use lettre::transport::EmailTransport;
 use lettre::email::EmailBuilder;
 
 #[test]
 fn file_transport() {
-    let mut sender = FileEmailTransport::new("/tmp/");
+    let mut sender = FileEmailTransport::new(temp_dir());
     let email = EmailBuilder::new()
                     .to("root@localhost")
                     .from("user@localhost")
@@ -16,4 +18,7 @@ fn file_transport() {
                     .unwrap();
     let result = sender.send(email);
     assert!(result.is_ok());
+
+    message_id = email.message_id();
+
 }