code refactoring

improved the folder importing feature

code cleanup

retention store fix

folder feature to the daemon

fixed apache example config

added option to specify folder id based on rules

logging option to the prepared statement

added a mmap based ipc feature to prevent duplicates

dup detection fix

dedup debug message

imap fixes

sql errno fix

do not treat as a fatal error if a recipient cannot be added

added a missing close()

better duplicate detection

code cleanup

display the stored id when a duplicate is found

added domain field to rules

minor code cleanup in message.c

prepared statement fixes

added customer initial support

initial commit using a very minimalistic db abstraction preparing to add postgresql support as well

fixed follow-up handling

added a fix to find the first message of a thread

code cleanup and added server_id to the store path

code cleanup

switching to prepared statements in attachment.c

using prepared statements in message processing

removed the unused bodydigest function