Re: [qmailtoaster] toaster specs

2008-12-08 Thread Kent Busbee

See response below; Eric C. Broch wrote:
 Hello all,

 Edwin Casimero question about the Qmailtoaster's specifications for
 serving
 10,000 email clients spur my first question.

 1.   I am setting up a Qmailtoaster for 25 email clients but expect
 the
 number won't increase to 50 anytime soon, if ever. Have I assumed
 correctly
 that the standard install of Qmailtoaster is sufficient given the correct
 hardware and internet connection for this application.

 2.   I want to setup the above 'system' for POP3-SSL clients using
 Outlook and Outlook Express (OE) and let individuals take care of backing
 up
 their own email. If I decided to us IMAP4 or IMAP4-SSL is there a rule of
 thumb mailbox size.

 3.   If I use POP3-SSL is there a way besides setting up IMAP4 or
 IMAP4-SSL accounts for each user, or even a single account, to feed spam
 back to the server? I've been investigating this and have found that
 forwarding to a [EMAIL PROTECTED] or [EMAIL PROTECTED] account changes the
 header of the email and 'resend' using Outlook does pretty much the same
 thing as a forward. Outlook and Outlook Express are the email client
 software this particular customer will be using.

 Eric Broch



QmailToaster standard install should handle this spec.  I would think any
PC under 5 years old with say 512M memory could handle it.  More CPU, more
memory, more better!  Hard drive will depend on how much room you want for
each user.  Using IMAP, I would go with 20-30G for the system and lots of
extra space for the uses, say 50G.  Always overbuild.  I am going
completely from the cuff here, no expert.

I had a similar problem with spam reporting.  I found an address just does
not do a good job.  I ended up using Spam Buttons in SquirrelMail, which
provides a pipe to your command line script.  That may not work for you,
b/c you need Outlook to work.  I would suggest having the users place the
email in a IMAP spam folder then having a cron job pick up, process, and
delete them.

Kent Busbee
Director of Technology
Northlake Christian School


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Re: [qmailtoaster] toaster specs

2008-12-08 Thread Eric Shubert

Kent Busbee wrote:

See response below; Eric C. Broch wrote:

Hello all,

Edwin Casimero question about the Qmailtoaster's specifications for
serving
10,000 email clients spur my first question.

1.   I am setting up a Qmailtoaster for 25 email clients but expect
the
number won't increase to 50 anytime soon, if ever. Have I assumed
correctly
that the standard install of Qmailtoaster is sufficient given the correct
hardware and internet connection for this application.

2.   I want to setup the above 'system' for POP3-SSL clients using
Outlook and Outlook Express (OE) and let individuals take care of backing
up
their own email. If I decided to us IMAP4 or IMAP4-SSL is there a rule of
thumb mailbox size.

3.   If I use POP3-SSL is there a way besides setting up IMAP4 or
IMAP4-SSL accounts for each user, or even a single account, to feed spam
back to the server? I've been investigating this and have found that
forwarding to a [EMAIL PROTECTED] or [EMAIL PROTECTED] account changes the
header of the email and 'resend' using Outlook does pretty much the same
thing as a forward. Outlook and Outlook Express are the email client
software this particular customer will be using.

Eric Broch




QmailToaster standard install should handle this spec.  I would think any
PC under 5 years old with say 512M memory could handle it.  More CPU, more
memory, more better!  Hard drive will depend on how much room you want for
each user.  Using IMAP, I would go with 20-30G for the system and lots of
extra space for the uses, say 50G.  Always overbuild.  I am going
completely from the cuff here, no expert.

I had a similar problem with spam reporting.  I found an address just does
not do a good job.  I ended up using Spam Buttons in SquirrelMail, which
provides a pipe to your command line script.  That may not work for you,
b/c you need Outlook to work.  I would suggest having the users place the
email in a IMAP spam folder then having a cron job pick up, process, and
delete them.


I'll 2nd this suggestion. I've set up shared ham/spam IMAP folders, and 
have a nightly cron job run to sa-learn then delete their contents. 
Users simply move ham/spam to the appropriate folder.


Here's the cron job:
#!/bin/sh
#
# learn and remove spam and ham in shared folders
#
# shubes 3/26/08 - created
#

learndir=/home/vpopmail/domains/mydomain.com/sa-learn
hambox=.Ham
spambox=.Spam

do_the_learning(){

learnas=$1
maildir=$2

shopt -s extglob
for spamfile in `find $maildir/+(cur|new)/* 2/dev/null`; do
  sudo -u vpopmail -H sa-learn --$learnas $spamfile
  rc=$?
  if [ $? != 0 ]; then
echo sa-learn failed, rc=$rc, spamfile=$spamfile
exit $rc
  fi
  rm $spamfile
done
}

do_the_learning ham  $learndir/$hambox
do_the_learning spam $learndir/$spambox

exit 0
/end script

--
-Eric 'shubes'


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[qmailtoaster] toaster specs

2008-12-02 Thread Eric C. Broch
Hello all,

Edwin Casimero question about the Qmailtoaster's specifications for serving
10,000 email clients spur my first question.

1.   I am setting up a Qmailtoaster for 25 email clients but expect the
number won't increase to 50 anytime soon, if ever. Have I assumed correctly
that the standard install of Qmailtoaster is sufficient given the correct
hardware and internet connection for this application.

2.   I want to setup the above 'system' for POP3-SSL clients using
Outlook and Outlook Express (OE) and let individuals take care of backing up
their own email. If I decided to us IMAP4 or IMAP4-SSL is there a rule of
thumb mailbox size.

3.   If I use POP3-SSL is there a way besides setting up IMAP4 or
IMAP4-SSL accounts for each user, or even a single account, to feed spam
back to the server? I've been investigating this and have found that
forwarding to a [EMAIL PROTECTED] or [EMAIL PROTECTED] account changes the
header of the email and 'resend' using Outlook does pretty much the same
thing as a forward. Outlook and Outlook Express are the email client
software this particular customer will be using.

Eric Broch



Re: [qmailtoaster] toaster specs

2008-12-02 Thread Jake Vickers

Eric C. Broch wrote:


Hello all,

Edwin Casimero question about the Qmailtoaster's specifications for 
serving 10,000 email clients spur my first question.


1.   I am setting up a Qmailtoaster for 25 email clients but 
expect the number won't increase to 50 anytime soon, if ever. Have I 
assumed correctly that the standard install of Qmailtoaster is 
sufficient given the correct hardware and internet connection for this 
application.




Plenty.  You really don't need to adjust much until you start to get 
900+ users, depending on certain criteria.


2.   I want to setup the above 'system' for POP3-SSL clients using 
Outlook and Outlook Express (OE) and let individuals take care of 
backing up their own email. If I decided to us IMAP4 or IMAP4-SSL is 
there a rule of thumb mailbox size.




Depends on your hard drive space.  Don't remember if this version of 
courier does or not, but some versions had issues with mailboxes over 2G.


3.   If I use POP3-SSL is there a way besides setting up IMAP4 or 
IMAP4-SSL accounts for each user, or even a single account, to feed 
spam back to the server? I've been investigating this and have found 
that forwarding to a [EMAIL PROTECTED] or [EMAIL PROTECTED] account 
changes the header of the email and 'resend' using Outlook does pretty 
much the same thing as a forward. Outlook and Outlook Express are the 
email client software this particular customer will be using.




There was an Outlook hack out there a while back that allowed you to 
re-bounce a message without affecting the headers, but that was several 
Outlook versions ago so it probably doesn't work with the new versions.  
Otherwise, no, not that I'm aware of.  You could use DSPAM instead of 
Spamassassin (which DOES allow you to do what you're looking to do) but 
for the situations where I tested it out, it did not work for me.  It 
needs to be trained before it's any good at all and requires a higher 
level of user that I usually get hired by.