[Dovecot] Pre-rev1 compatibility

Brian G. Peterson brian at braverock.com
Wed Dec 6 12:35:12 UTC 2006

Hans Werner Strube wrote:
> What about adding some compatibility for pre-rev1 IMAP4 clients which
> are still around (e.g., CDE dtmail, even in Solaris 10)? Especially,
> the understanding of command
>   FETCH message (... RFC822.HEADER.LINES (parameters))

On Wednesday 06 December 2006 06:05, Dirk Essl wrote:
> Yes, I would appreciate that, I still have some users running dtmail
> and other 'old' mail clients, therefore I cannot migrate these users to
> the new system, and they don't want to use any other client...

My general policy is that in some cases, the user is *not* right.  An IT 
department cannot rationally be required to continue to support obsolete 
applications when there are supported and modern alternatives.  Face it, 
choice of email client for a small subset of your users is not a business 
critical application that needs to be supported forever like it was some 
absolutely essential piece of 1960's era COBOL code.

Perhaps it is time to either fix these obsolete mail clients yourself to 
be compatible with current protocols, or stop supporting them, as their 
development teams abandoned them long ago.  I don't believe obsolete 
functionality (pre RFC or deprecated IMAP RFC's) belongs in dovecot imap.


   - Brian

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