Clamd

[Alex Neuman]

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That's why it's good that MailScanner doesn't really depend on anything
being "loaded". I simply use clamav-milter when possible to ease the load
on MailScanner. If it gets past clamav-milter then
MailScanner+clamavmodule+bitdefender+somethingelse will probably catch it
anyway.

> Glenn Steen wrote:
>> On 15/09/05, Alex Neuman <alex at nkpanama.com> wrote:
>>
>>>Well, it can be faster to have a program that's always loaded and in
>>>memory scan the incoming datastream - but it MailScanner doesn't work
>>> that
>>>way. It receives a bunch of messages before it "wakes up", looks at the
>>>queue, scans everything from within perl using the module faster than it
>>>would be to individually feed everything to clamd, and dumps whatever's
>>>left after processing in the "real" queue. At least that's what I
>>>understand.
>>>
>>
>> All the real difference is in the fork/exec of clamdscan (which you
>> cannot avoid in the clamd solution) ... Not much perhaps, but it'll
>> always give the edge to the perl module. And forking clamscan or
>> clamdscan for a batch.... doesn't really matter, since if you need
>> speed, the module is there to use.
>> So Julian definitely got this right, for MS. If MimeDefang could
>> benefit from the module to, I couldn't really say:-).
>>
>
> I run clamd (with qmail-scanner) on quite a few servers, clamscan (with
> MailScanner) on another few and clamav-module (again with MailScanner)
> on my critical servers, for sure clamav-module is the least resource
> consuming and fastest. No stats to prove so though.
>
> Also one more reason for not running clamd (iirc) is the daemon
> dependency, if clamd dies there is no way MailScanner will find out. Is
> there any daemon the MailScanner depends on?? apart from itself, the MTA
> and in a way DCC, i don't recollect any.
>
> - dhawal
>
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