Am 19.10.2012 20:47, schrieb Tobias Maffert: > Hello. > > I'm switching from b1gmail to my own setup which consists of > Postfix+Dovecot+MySQL (and maybe VBoxAdm). There are two problems: - > b1gmail is using unsalted MD5 hashes. Is there any good way to make my > new setup backward compatible? So I don't have to force all of my 50k > users to change their password. - How do I change my setup to salted > SHA256 (or an even better algorithm). And how do I make the hashes > compatible between Postfix, Dovecot, MySQL (and maybe VBoxAdm)? > > My system: > > Debian Squeeze > Postfix version: 2.7.1 > Dovecot version: 1.2.15
besides your question you REALLY do not want to START with 1.2.15 while dovecot-2.1.10 is the recent version postfix is somehow OK but recent is postfix-2.9.4 these outdated versions usually results in many questions on mailing-lists because several howtos do not work or bugs fixed since years are still there
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