what they could have done is to allow users to autoforward their emails over to their servers or something. not impossible, but i'm not their employee and i'm not responsible for thinking up business strategies for them.
so yea. not necessary
so yea. not necessary
Now, if you can demonstrate that this particular company has a particularly unsafe way of storing the passwords or the retrieved e-mails, then you're getting closer to having a valid point.
Part of the service they're offering is that they'll restore the contents of your mailbox in case of accidental or malicious deletion. I have
mail:/var/mail/associatedtechs.com/rob@associatedtechs.com# find . | wc -l
24846
...almost 25,000 messages in my mailbox. How do you recommend that they restore 25,000 messages to my mailbox without my account credentials?they should go think about how they can design a service securely before offering it.