[K12OSN] MailScanner Blacklist

[Burke Almquist]

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Make sure the relay domains and your "mynetworks" values include you 
local subnet(s).

On Sep 15, 2004, at 11:43 PM, Rick O'Dell wrote:

> 	I must have done something wrong. Syslog says, "fatal:
> /etc/postfix.in/main.cf, line 649: missing "=" after attribute name:
> "hash:/etc/postfix.in/client_access".
> 	I also noticed If I add a line "smtpd_recipient_restrictions =
> permit_sasl_authenticated, permit_mynetworks, check_relay_domains", 
> this
> will stop incoming and outgoing mail for everyone. I also try each one 
> of
> these smtpd_recipient_restrictions independently and each one will 
> cause
> mail to stop working...
> Any Ideas???????
> Thanks
> Rick...
>
>
> Rick O'Dell
> Net Work Administrator
> Bakersfield R4 School Dst.
> Phone (417)284-7333 ext 303
> rodell at bakersfield.k12.mo.us
>
> -----Original Message-----
> From: k12osn-bounces at redhat.com [mailto:k12osn-bounces at redhat.com]On
> Behalf Of Jim Kronebusch
> Sent: Wednesday, September 15, 2004 8:12 AM
> To: 'Support list for opensource software in schools.'
> Subject: RE: [K12OSN] MailScanner Blacklist
>
>
>> 		Ok, I do have one question. This is not going
>> to adversely effect the existing incoming and outgoing mail
>> is????? What I mean is, are we just creating another table
>> for postfix to look in, or are we going to have to allow or
>> disallow everyone starting from scratch???? Also I don't
>> understand what this does. "hash:/etc/postfix.in/client_access"
>> Guess I'm just scared and confused>>>>...
>
> I wish I could say I understand it 100% as well but I can't.  But I do
> know that this table will only be used as an exception list.  What I
> mean is all mail from all IP's will process according to all other
> rules, unless an IP is listed in this table, then whatever action is
> specified will take place.  So in answer to your question NO, you will
> not have to list every IP you want to accept mail from, only list the
> handful you want to block.  As far as the
> "hash:/etc/postfix.in/client_access", this just lets it know that the
> specified file is a list of values to look through, the "hash" lets it
> know how to break it up (explained to the best of my knowledge).  So
> just make sure you follow the steps I listed and whatever is in the
> client_access list will be the only IP's affected.
>
> Does that make you feel any better?  I know I was still nervous :-)
> Especially since I had to piece this together with the help of a few
> tutorials.  Bright side is, all you have to do to turn it off is remove
> the "hash:/etc/postfix.in/client_access" and restart MailScanner if
> things go wrong.
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.744 / Virus Database: 496 - Release Date: 8/24/2004
>
>
>
> --
> This message has been scanned for viruses and
> dangerous content by the Cotter Technology
> Department, and is believed to be clean.
>
>
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> --
> Incoming mail is certified Virus Free.
> Checked by AVG Anti-Virus (http://www.grisoft.com).
> Version: 7.0.271 / Virus Database: 264.9.1 - Release Date: 9/15/2004
>
> --
> Outgoing mail is certified Virus Free.
> Checked by AVG Anti-Virus (http://www.grisoft.com).
> Version: 7.0.271 / Virus Database: 264.9.1 - Release Date: 9/15/2004
>
>
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