https://blog.freenode.net/2013/08/check-your-nickserv-email/
If you have ' ve registered with NickServ within ' few years then your ' ll have used an email address and we ' ll have sent yo u a mail to verify it. That would probably be the "last time" you heard from us ...
Until your forget your password and find yourself unable to identify. When so happens we can send a email (only to this same address) to verify your identify and reset your password.
You are aren ' t stuck with the email to you originally used though! We ' d very strongly recommend you take 5 minutes to double check the set email address are current, especially in light of R Ecent service closures. You don ' t need access to the your old inbox to the change your registered email, just your. NickServ password.
To view the current state of your account, while identified type:
/msg NickServ Info
If you'd like to then change the registered email address, ...
/msg NickServ Set Email youraddress@example.com
... then check your email inbox. We ' ll have sent you another emails with instructions to verify this new address.
Your email address are hidden from other users by default. Can ensure this by setting:
/msg NickServ set Hidemail on
The for using freenode!