Nguyên mẫu của đề:

Building a socket client program connecting to SMTP Server on port 25 to send an email.
Requirements:
- Individual submission. No copy paste, no copy from your friends. Do it by yourself!
- The source code is written in 3 languages: C, Python and Java
- Must have explanation, comments on code
- Must take parameters from command line
For example:
c:\ python mail.py server_ip_address port
or
c:\java mail server_ip_address port

References: SMTP protocol commands
HELO
MAIL FROM:
RCPT TO:
DATA
.
QUIT
EM không hiều về đề lắm cũng ko biết cách làm a/c nào giúp em với