It's great to have a library for this ... I first encountered a service using this type of login with www.wasitup.com (sadly now down) in 2010 and never had an

It's great to have a library for this ... I first encountered a service using this type of login with www.wasitup.com (sadly now down) in 2010 and never had an issue with logging in, though it was indeed necessary to open an e-mail when using a new computer. Thanks!