Hi,
recently I was discussing an implementation of a large mailserver
with one of commercial producers of POP3/IMAP solutions.
The representative gave me the following information that I would like
to get commented from the DBmail community... no flame wars, I just want
to get informed please - esp. the part on the memory leak.
Thanks in advance!
<quote>
Here are our comments on dbmail 2.2 :-
We looked through the code to see whether it was full IMAP (previously,
it wasn't), and while it looks as if the problems we saw before have
probably been fixed, it's still fairly basic. The common extensions,
such as NAMESPACE, SORT, etc are supported, but that's it.
Unfortunately, we also noted that there's a memory leak present in the
mailbox opening code called during SELECT/EXAMINE. This is really not
good - there should be no reason for this. (As an aside, there's another
bug here, in that it lists \Recent as a PERMANENTFLAG, which is
definitely not the case).
The problems it used to have are things like messages being shared
between mailboxes, and the \Recent flag also being shared. Sharing flags
between messages in multiple mailboxes is unusual, but allowed; sharing
\Recent is not. Also, rather amazingly for a database-backed mailserver,
its SEARCH used to be very weak and incomplete.
</quote>
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