(TCP) poppassd (aka. epass) allows passwords to be changed on POP servers. Traditionally, users would have to have shell (Telnet) accounts on the servers in order to change their passwords. This allows users with just POP access to change their passwords. The exchange looks something like:
S: 200 Hello
C: user robert
S: 300 Please send current password
C: pass mypassword
S: 200 send New Pass Word
C: newpass newpassword
S: 200 successful
C: quite
This protocol was originally developed for Eudora.
Eudora Internet Mail Server vs. 1.2, 2.0, 2.01 DoS If you connect to this server and enter the command "USER xxxxxx" with more than 1000 characters, this service will crash.
