Data commit

Task/Send-email/Kotlin/send-email.kotlin

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+// version 1.1.4-3
+
+import java.util.Properties
+import javax.mail.Authenticator
+import javax.mail.PasswordAuthentication
+import javax.mail.Session
+import javax.mail.internet.MimeMessage
+import javax.mail.internet.InternetAddress
+import javax.mail.Message.RecipientType
+import javax.mail.Transport
+
+fun sendEmail(user: String, tos: Array<String>, ccs: Array<String>, title: String,
+              body: String, password: String) {
+    val props = Properties()
+    val host = "smtp.gmail.com"
+    with (props) {
+        put("mail.smtp.host", host)
+        put("mail.smtp.port", "587") // for TLS
+        put("mail.smtp.auth", "true")
+        put("mail.smtp.starttls.enable", "true")
+    }
+    val auth = object: Authenticator() {
+        protected override fun getPasswordAuthentication() =
+            PasswordAuthentication(user, password)
+    }
+    val session = Session.getInstance(props, auth)
+    val message = MimeMessage(session)
+    with (message) {
+        setFrom(InternetAddress(user))
+        for (to in tos) addRecipient(RecipientType.TO, InternetAddress(to))
+        for (cc in ccs) addRecipient(RecipientType.TO, InternetAddress(cc))
+        setSubject(title)
+        setText(body)
+    }
+    val transport = session.getTransport("smtp")
+    with (transport) {
+        connect(host, user, password)
+        sendMessage(message, message.allRecipients)
+        close()
+    }
+}
+
+fun main(args: Array<String>) {
+    val user = "some.user@gmail.com"
+    val tos = arrayOf("other.user@otherserver.com")
+    val ccs = arrayOf<String>()
+    val title = "Rosetta Code Example"
+    val body = "This is just a test email"
+    val password = "secret"
+    sendEmail(user, tos, ccs, title, body, password)
+}