(edited by Daelril.6039)
Disable mail authentication
No and I don’t see why you’d want to disable a good security measure. If it bugs you leave your modem online? Don’t see why you’d not be able to do that…. they’re made to be on 24/7.
Send a support ticket, I heard they may be able to turn it off.
I wouldn`t do it if I were you. The emails are a security measure so people from different regions can`t just login to your account. Even if they managed to get your account password they still need to access your email to be able to verify the location they are trying to login from.
I have about 6 warnings from anet telling me that people from kittenin bejing and the like are trying to access my account. I`d like to send them a jdam for christmas.
ArenaNet stated that if you are having constant problems with email authentication, they would be willing to turn it off for your account. Of couse, this would put your account at higher risk for hacking.
http://wiki.guildwars2.com/wiki/Game_status_updates/Archive_1
Our router has been on 24/7 for several years. :B
You should be able to set up security options if that’s a concern you have. You can also lock children’s computer / all computers from accessing it during certain times if that’s a problem.