kirubz · November 13, 2018 03:32 · Apr 1, 2017
diff --git a/email_sendfile.lua b/email_sendfile.lua
@@ -0,0 +1,48 @@
+-- requires an SMTP server to send emails
+
+local smtp = require("socket.smtp")
+local ltn12 = require("ltn12")
+local mime = require("mime")
+
+from = "<[email protected]>"
+
+rcpt = {
+  "<[email protected]>"
+}
+
+-- the multipart message definition
+mesgt = {
+  headers = {
+    to = "Bob <[email protected]>",
+    subject = "Sending attachment over e-mail test"
+  },
+  body = {
+    -- the message content
+    [1] = {
+        body = "Sending you a nice file! :D"
+    },
+    -- the file attachment
+    [2] = {
+        headers = {
+                    ["content-type"] = 'attachment; name="testfile.bin"',
+                    ["content-disposition"] = 'attachment; filename="testfile.bin"',
+                    ["content-description"] = 'test binary file',
+                    ["content-transfer-encoding"] = "BASE64"
+        },
+        body = ltn12.source.chain(
+                ltn12.source.file( io.open( "/path/to/testfile.bin", "rb")),
+                ltn12.filter.chain(
+                        mime.encode("base64"),
+                        mime.wrap()
+                )
+        )
+     }
+  }
+}
+
+-- send the message
+r, e = smtp.send{
+  from = from,
+  rcpt = rcpt,
+  source = smtp.message(mesgt)
+}