New server request

Julian Field MailScanner at
Tue Apr 8 17:52:37 IST 2008

DAve wrote:
> Julian Field wrote:
>> You can delete the /root/.spamassassin/bayes_seen quite frequently 
>> too, it will speed things up too.
> bash-2.05b# ls -lah /opt/MailScanner/bayes/
> total 6082
> drwx------  2 root  wheel   512B Apr  8 11:05 .
> drwxr-xr-x  8 root  wheel   512B Mar 22 16:46 ..
> -rw-rw----  1 root  wheel   1.7K Apr  8 11:05 bayes.mutex
> -rw-rw----  1 root  wheel    91K Apr  8 11:06 bayes_journal
> -rw-rw----  1 root  wheel   2.5M Apr  8 11:05 bayes_seen
> -rw-rw----  1 root  wheel   4.9M Apr  8 11:05 bayes_toks
> It doesn't seem very large. I currently, and previously have, allowed 
> MS to expire/cleanup the bayes system. Never had an issue.
Yes, that's nice and small. I've had mine blow up to hundreds of Mb and 
binding to it takes a while. I never unlearn a message so bayes_seen is 

> DAve
>> Alex Neuman wrote:
>>> Are you using SA with sa-compile'd rules? Local caching DNS? 
>>> /var/spool/Mailscanner/incoming and /root/.spamassassin mounted as 
>>> tmpfs?
>>> On Apr 8, 2008, at 8:42 AM, DAve wrote:
>>>> Currently we get hit with 200k to 300k connections a day that hit 
>>>> an RBL. We see 15k to 25k pipeline attempts. We spam scan almost 
>>>> 50% of our mail and we Virus scan everything that comes in. We 
>>>> process 4gb of mail a day on two servers, total around 50k to 65k 
>>>> message we actually deliver. We process 16,908 whitelist and 14,348 
>>>> blacklist entries from MailWatch.
>>>> Mail delivery for our clients *INCLUDES* outbound scanning and 
>>>> filtering through my smtp servers (different hardware) and coming 
>>>> back in through my MailScanner servers.
>>>> I can get that done in 5 minutes round trip time for a message. 90% 
>>>> of that time is spent in the MS server, queues, waiting for pickup, 
>>>> etc. I think that is pretty darned good.
>>>> That is apparently not good enough. Every month or so I get told 
>>>> that mail delivery in incredibly slow and I need to look at the 
>>>> servers. I do, and every message I check takes around five minutes.
>>>> I need a recommendation for the root'n toot'nist, rockem sockem, 
>>>> nuklear powered, rocket fuel fed servers money can buy. I want to 
>>>> push a batch of 30 messages through a full featured install of SA, 
>>>> Clamav, and local rulesets in less than 5 seconds. Tops. When my 
>>>> sales director hits send in his outlook, I want the message to 
>>>> deliver so fast his laptop jumps from his desk.
>>>> I think I need striped SAS disks with 15k spindles, four CPUs, and 
>>>> 16gb of ram. I am open to realistic suggestions, though humor is 
>>>> still welcome. I intend to submit a quote this week.
>>>> Thanks,
>>>> DAve
>>>> -- 
>>>> In 50 years, our descendants will look back on the early years
>>>> of the internet, and much like we now look back on men with
>>>> rockets on their back and feathers glued to their arms, marvel
>>>> that we had the intelligence to wipe the drool from our chins.
>>>> -- 
>>>> MailScanner mailing list
>>>> mailscanner at
>>>> Before posting, read
>>>> Support MailScanner development - buy the book off the website!
>> Jules


Julian Field MEng CITP CEng
Buy the MailScanner book at

MailScanner customisation, or any advanced system administration help?
Contact me at Jules at Jules.FM

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