Crash protection

[Raymond Dijkxhoorn]

Hi Julian,

> Implemented crash-protection, by limiting the number of attempts made at
> processing any given message. There are 2 new configuration settings:
> "Maximum Processing Attempts" which is set to 6 by default, and
> "Processing Attempts Database" which is set to

Thats cool!

> /var/spool/MailScanner/incoming/Processing.db by default.
> To disable this feature, just set "Maximum Processing Attempts = 0".
> To clean out the database, just stop MailScanner and delete the database
> file.
>
> It's enabled by default in this beta.
>
> It currently just runs a counter of the number of times the message has
> been attempted. I didn't want to make it time-based, as then you would
> run into trouble if for some reason you stopped MailScanner but left the
> incoming MTA open, so you could work on the system while not rejecting
> mail. Then there might be quite a big gap between the time it arrived in
> the queue and the time it is processed.
>
> All suggestions on how to improve this feature are most welcome!

A way to notify a operator that this is happening. So a cron or something 
to send out a hourly report or something so at least you know something is 
stuck ;)

Thanks,
Raymond.