[vy8vWJlco]

But... SMTP stands for SIMPLE Mail Transfer Protocol.

[pyre]

Depends on what you are comparing it to. LDAP stands for Lightweight Directory Access Protocol. I don't think that anyone would consider LDAP lightweight, but compared to X.509...

[jiggy2011]

There's also Simple Object Access Protocol.

[deong]

Not if I stick my fingers in my ears and shout loudly enough.