[Dovecot] IMAP proxying for ALL users to internal mail server

[Vitaliy Vladimirovich]

--- Original Message ---  
From: Timo Sirainen <tss at iki.fi>  
To: Vitaliy Vladimirovich <artemrts at ukr.net>  
Date: 2 october, 15:42:40  
Subject: Re: [Dovecot] IMAP proxying for ALL users to internal mail server  
  
  On Oct 2, 2009, at 8:39 AM, Vitaliy Vladimirovich wrote:  
  
>> How must I adjust Dovecot for proxying all users from the  
>> Internet to the internal Exchange Mail Server?  
>  
> To only a single Exchange server? Why would you need Dovecot proxy at  
> all there? Just use whatever dummy TCP proxy.  
> Yes, to only single.  
> I am trying to configure SMTP AUTH (Postfix+Dovecot SAS with  
> Active Directory users account) and IMAP proxying to Exchange.  
> So now my problem is in IMAP proxying.  
> SMTP auth separately works fine.  
  
That still doesn't answer my question. It doesn't sound like you need  
IMAP proxying. It sounds like you just need TCP connection forwarding.    
  
          Your true. TCP connection forwarding I can do fith PF, but I think IMAP proxying more secure.