-- load the smtp support and its friends
local smtp = require("socket.smtp")
local mime = require("mime")
local ltn12 = require("ltn12")
function filter(s)
if s then io.write(s) end
return s
end
source = smtp.message {
headers = { ['content-type'] = 'multipart/alternative' },
body = {
[1] = {
headers = { ['content-type'] = 'text/html' },
body = " Hi, there... "
},
[2] = {
headers = { ['content-type'] = 'text/plain' },
body = "Hi, there..."
}
}
}
r, e = smtp.send{
rcpt = {"",
"" },
from = "",
source = ltn12.source.chain(source, filter),
--server = "mail.cs.princeton.edu"
server = "localhost",
port = 2525
}
-- creates a source to send a message with two parts. The first part is
-- plain text, the second part is a PNG image, encoded as base64.
source = smtp.message{
headers = {
-- Remember that headers are *ignored* by smtp.send.
from = "Sicrano ",
to = "Fulano ",
subject = "Here is a message with attachments"
},
body = {
preamble = "If your client doesn't understand attachments, \r\n" ..
"it will still display the preamble and the epilogue.\r\n" ..
"Preamble might show up even in a MIME enabled client.",
-- first part: No headers means plain text, us-ascii.
-- The mime.eol low-level filter normalizes end-of-line markers.
[1] = {
body = mime.eol(0, [[
Lines in a message body should always end with CRLF.
The smtp module will *NOT* perform translation. It will
perform necessary stuffing, though.
]])
},
-- second part: Headers describe content the to be an image,
-- sent under the base64 transfer content encoding.
-- Notice that nothing happens until the message is sent. Small
-- chunks are loaded into memory and translation happens on the fly.
[2] = {
headers = {
["content-type"] = 'image/png; name="luasocket.png"',
["content-disposition"] = 'attachment; filename="luasocket.png"',
["content-description"] = 'a beautiful image',
["content-transfer-encoding"] = "BASE64"
},
body = ltn12.source.chain(
ltn12.source.file(io.open("luasocket.png", "rb")),
ltn12.filter.chain(
mime.encode("base64"),
mime.wrap()
)
)
},
epilogue = "This might also show up, but after the attachments"
}
}
r, e = smtp.send{
rcpt = {"",
"" },
from = "",
source = ltn12.source.chain(source, filter),
--server = "mail.cs.princeton.edu"
server = "localhost",
port = 2525
}
print(r, e)