saslauthd and "plus addressing"

Ken Murchison murch at
Fri Sep 8 19:11:44 EDT 2006

Anders Norrbring wrote:
> I'm trying to make my POP3 users authenticate to the mail server. It's 
> running saslauthd for POP3 access, and it works just fine.
> However, I would like to enable the use of "pop from subfolder", which 
> would demand a user to login with "username+folder", and of course 
> saslauthd doesn't allow that.
> When doing a local telnet session, this shows:
> Connected to localhost.
> Escape character is '^]'.
> +OK iris Cyrus POP3 v2.1.15 server ready <3897138353.1157646393 at iris>
> user nb0003+folder
> +OK Name is a valid mailbox
> pass <not shown>
> -ERR [AUTH] Invalid login
> user nb0003
> +OK Name is a valid mailbox
> pass <not shown>
> +OK Maildrop locked and ready
> So, the Cyrus POP daemon correctly finds the mailbox, but saslauthd 
> cannot verify the user.  Is there a way to recofigure it so it'll work?

The popsubfolder option is only available in Cyrus v2.3

Kenneth Murchison
Systems Programmer
Project Cyrus Developer/Maintainer
Carnegie Mellon University

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