[AuckLUG] OCR software

[John Deverall]

Hi everyone, 

I've got a bunch of magazines I want to load onto a website. 

http://www.autc.org.nz

The magazines are autc club journals dating back to the 1940's, one journal
for each year. 

Does anyone know of a good way to go about this? 

Preferably I'd like character recognition and output to html as it would be
nice to be able to search the contents of the magazines over the years using
the website search feature. 

Any ideas? 


-----Original Message-----
From: aucklug-bounces at linux.net.nz [mailto:aucklug-bounces at linux.net.nz] On
Behalf Of Daniel Pittman
Sent: Monday, 18 September 2006 6:24 p.m.
To: Auckland Linux User Group mailing list
Subject: Re: [AuckLUG] Restricting E-mail access for Children

"Chris Hodgetts" <chris at archnetnz.com> writes:

> I was wondering what the best way to restrict e-mail is.  Basically I
> want to create a White list that allows mail to and from a set group
> of people.

Since you use postfix, use 'check_recipient_access' in the
smtpd_recipient_restrictions section of main.cf, which will allow you to
create your whitelist and then block everything else.

That is a global setting, though, not per-user.

> Inbound I can do with Procmail but I am not sure how to restrict
> outbound addresses, and ideally I would like to just maintain one
> white list.
>
> I only want to do this for ONE account on the server, SMTP is using
> SMTP Auth so there might be something there that I can utilise.

For that, though, you probably need a hand-written policy daemon to
identify both the sender and recipient, and act on that.  The version of
Postfix you have supports that, and writing a policy daemon isn't /that/
hard.

See the simple greylist example that Postfix ships, or that is on their
website, for the Perl code.


Blocking outbound mail from that one account is a much harder job than
blocking inbound, though, as you note.  Most threat models with email
assume that internal senders are at least semi-trusted.


Perhaps if you outline why you want to do this there is a better way to
achieve your goals overall?

Regards,
        Daniel
-- 
Digital Infrastructure Solutions -- making IT simple, stable and secure
Phone: 0401 155 707        email: contact at digital-infrastructure.com.au
                 http://digital-infrastructure.com.au/

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