update html template

store subject and content.

run db migration

do not parse email content

update doc

Proxy local tmp email service using FRP

Stop polling backend api after got the email.

update doc

generate a temporary email address and polling for the received email

Update README.md

port and domain config can work corrrectly now!

can config domain and port

use sqlite3 to store and query emails

rm unused code

To render a web page for viewing the emails

clean up: rm unused files and code

start web server at port 4000

use https://hex.pm/packages/iconv and fix bug in smtp_server.ex

Prevent iconv deps issue

Forward email to web page via web socket

Update README.md

init smtp server app

Initial commit