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Comment by LunaSea | Hacker News Reader

The real issue with getting your plain text password in an email is that it means the site is not hashing passwords at all.

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Only if the send you your old password. If they reset your password, they can send you the plaintext first, then hash the password and store it in the database.

No. The problem is that email isn't encrypted on the backend. Sending a plain text password means every server between the website's SMTP server and your email provider's SMTP server can see the password.

As opposed to what? Every server between the website's SMTP server and your email provider's SMTP server can see the password reset link?

When implemented correctly, password reset links

a) Work once. If you click on a password reset link and it says it's already been used, you know something is up, v.s. someone using the plaintext password to log in before you and you are non the wiser.

b) Expire. Lot's of people won't bother changing the password that was given to them, so anyone who comes across a plaintext password in the email at a later date would be able to log in.

Both of these things can be true with temporary plaintext passwords.

Temporary plaintext passwords are rare; I don't think I've ever seen one. If you've got as far as temporary plaintext passwords, I'd argue it's a better UX to provide a simple link instead of forcing them to copy and paste something.

> Both of these things can be true with temporary plaintext passwords.

In that sense, a password reset link is equivalent to a temporary plaintext password.

Except it's got better usability, being a link that you can click on.

Not quite true. A properly configured email server sending email to another properly configured email server should be using TLS to send the message:

http://superuser.com/questions/260002/why-are-email-transfer...

That still doesn't mean you should count on emails being encrypted between servers.

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