"Slightly" mad
Yeah, bit more than slightly in my case. But nevertheless, this is a real gem 
The book is even better. And you should definitely patronize mwl cause we need moah books - SELFHOST ALL THE THINGS!
Coin with "RESIST THE E-MAIL EMPIRE" surrounded with the text:
IT MASTERY 0X14 SPONSOR
SIGYIKES The Posessor of this coin is slightly mad
EHLO - MAIL FROM - RCPT TO - DATA - QUIT - STARTTLS - AUTH
Coin with a rat pictured, surrounded with the text:
RUN YOUR OWN MAIL SERVER
NEVER SURRENDER THE PROTOCOLS