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by follower 2592 days ago
Definitely would make an interesting learning exercise--I learned way more about SMTP/POP protocols* than I did before when I implemented demonstration SMTP/POP servers for my libgmail library before Gmail offered alternate means of access.

These days there's even the luxury of IMAP. :D

[*] About the only thing I remember now is the `HELO` and `EHLO` protocol start messages. :)