[Dovecot] OTP?

Timo Sirainen tss at iki.fi
Wed Feb 7 00:36:16 UTC 2007

On 7.2.2007, at 2.12, Micah Cowan wrote:

> I was wondering where I might find more information about using OTP  
> as an authentication protocol with dovecot. In searching, I found a  
> thread from 2004, but not much information about how it has  
> progressed from then. I also saw some promising patches from mid- 
> last year, which if I had to guess are probably the addition of  
> support for the SASL OTP mechanism. Is this available in a release  
> yet? (And, also: does anyone know of Linux mail clients that  
> support the OTP SASL mechanism? I'm hoping Thunderbird might...).

CVS HEAD version has support for OTP SASL mechanism. I don't know how  
exactly it works though, it was implemented by Andrey Panin.

> If not, is it possible to make it work currently with PAM (or, if  
> that's not possible, maybe Cyrus SASL)? It would be okay with me if  
> it can work with PAM but not prompt with the seed/series number: I  
> can scratch off keys no prob.

If it works with PAM, it's via a plaintext auth mechanism (PLAIN or  
LOGIN) which just updates the used OTP number. I don't really know  
about that either..

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