converting password hashes

[Wojciech Puchar]

>>> since that is the expected encoding for $1$ password entries ...
>> 
>> tried:
>> 
>> $ echo -n blah|md5|xxd -r -p|base64
>> bx7QAqtVlYWQFOvwlRUi2Q==
>> 
>> then i put $1$$bx7QAqtVlYWQFOvwlRUi2Q by vipw in password field
>> 
>> tried to log in with blah password. doesn't work
>> 
>> any more ideas?
>
> MD5 passwords are very weak and should not be used in these days.
> Blf-Crypt (bcrypt) or Argon2 is recommended
> https://doc.dovecot.org/configuration_manual/authentication/password_schemes/
>
not what i've asked