Re: RFC1939 Violation? Multiple POP3 Logins at the Same Time

[Charles Benett <ch...@benett1.demon.co.uk>]

Personally, I'd prefer to follow the RFC unless there is a good reason
why not.
Can any of the other developers enlighten us?
Charles


Jamie Nettles wrote:
> 
> I guess I'm wondering if this was a conscious design decision or a bug.  I
> mean, do the james developers feel that the POP3 server has to follow the
> RFC precisely or is a little variation acceptable?  I noticed that Exchange
> server also allows simultaneous access (two separate telnet session
> authentications without any quits in either).  If it is a bug, are there any
> plans to fix it?  The application I'm working on depends on only one access
> being allowed at a time.  If there are no plans to change the POP3 server to
> disallow simultaneous access to the same account, then I'll have to abandon
> James and try another approach.  Should I move this question to the
> developer's list?
> 
> -----Original Message-----
> From: Danny Angus [mailto:danny@thought.co.uk]
> Sent: Saturday, April 21, 2001 4:16 AM
> To: james-user@jakarta.apache.org
> Subject: RE: RFC1939 Violation? Multiple POP3 Logins at the Same Time
> 
> yes you are, if what you say is true, then that is a bug.
> 
> > -----Original Message-----
> > From: Jamie Nettles [mailto:jamien@infograph.com]
> > Sent: Friday, April 20, 2001 9:57 PM
> > To: james-user@jakarta.apache.org
> > Subject: RFC1939 Violation? Multiple POP3 Logins at the Same Time
> >
> >
> > I'm trying to understand how James works when accessed via POP3.  RFC1939
> > says that "Once the POP3 server has determined through the use of any
> > authentication command that the client should be given access to the
> > appropriate maildrop, the POP3 server then acquires an
> > exclusive-access lock
> > on the maildrop. . . . If the maildrop cannot be opened for some
> > reason (for
> > example, a lock can not be acquired, . . . ), the POP3 server
> > responds with
> > a negative status indicator."
> >
> > I read this to say that I should only be able to authenticate an
> > account to
> > James via POP3 with one session at a time.  But I seem to have no problem
> > using two telnet sessions to authenticate to the same account at the same
> > time, list the same messages, return the same messages, delete the same
> > messages.  It seems like the second attempt to access (before the first
> > issues the quit command) should fail.  Am I reading the RFC right?
> >
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> 
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