Register your nickname
Registering your nickname
/msg nickserv register password email@example.com
It is recommended that your password is at least eight characters and contains a mix of letters and numbers. Regular words, like those found in a dictionary, will not be accepted.
We do block some e-mail providers, and the list changes as we find out about a new service that blocks our e-mails. For a gauranteed success in registering your nick, use Gmail.
More details, like common errors, can be found here.