Using SHA256/512 for SQL based password

Robert Moskowitz rgm at
Wed Feb 13 01:33:47 EET 2019

On 2/12/19 6:03 PM, Matthias Fechner via dovecot wrote:
> Am 12.02.2019 um 17:05 schrieb Robert Moskowitz via dovecot:
>> I have trying to find how to set the dovecot-sql.conf for using
>> SHA256/512.  I am going to start clean with the stronger format, not
>> migrate from the old MD5.  It seems all I need is:
> you maybe would like to have a look to the hashing algo ARGON2I which is
> currently recommended for new developments and deployments.

Recommended by whom?

Can you provide a link?

And if I was adventurous about hashes, I would be looking more at Keccak.

Check out my Internet Draft:


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