[Dovecot] patch for checkpassword exit codes & vpopmail

[Max A]

>> Also, if it is not too hard for you, can you add variable TCPLOCALPORT
>> (described in http://cr.yp.to/proto/ucspi-tcp.txt) to environment
>> variables for checkpassword, because vchkpw uses it for an interdiction
>> of access to various services (SMTP/POP3/IMAP/Webmal)?
> 
> dovecot-auth doesn't know the port, so this won't make it into Dovecot
> v1.0. If people bug me enough I'll implement it for later versions. :)

In that case, is there an opportunity  to use some fake variables, for 
example TCPLOCALPORT=110 for POP3 connection, TCPLOCALPORT=143 for IMAP, 
TCPLOCALPORT=993 for IMAP over SSL, etc.?