Just a minor thought. I'm having a look through the maildrop package, and I
see that mailbot has -d/-D options for suppressing repeated autoresponses
(nice).

However, I also see that it uses gdbm. Is this going to be safe on NFS
systems? (perhaps by use of dotlock files when updating it?)

If not, it might be an idea to have an alternative mode of working which
records seen addresses in a linear text file, which could have a maximum
size setting. Appending is safe, and rotating this file for purging old
entries would be a cp/mv operation which would be relatively safe.

If a maximum size were set (say 32KB) then the overhead of doing a linear
search through this file would be pretty minimal, compared to the overhead
of reading it off disk.

I use deliverquota at the moment, but might change to maildrop (especially
as I see that the quota warning mechanism is being merged in)

Regards,

Brian.


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