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Ya know, I read that, & It just now dawned on me that "yes you
can"...

- -----Original Message-----
From: Cowles, Steve [mailto:[EMAIL PROTECTED]]
Sent: Monday, January 13, 2003 12:35 PM
To: '[EMAIL PROTECTED]'
Subject: RE: Sendmail anti-spam feature?


> -----Original Message-----
> From: Burke, Thomas G.
> Sent: Monday, January 13, 2003 7:11 AM
> Subject: RE: Sendmail anti-spam feature?
> 
> 
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> Hash: SHA1
> 
> Ahh, well.  I added the northgrum e-mail server to my access.db, &
> now it lets mail in...  Anyone know how I can let in the whole
> domain?  Does access.db allow *.domain.com, or so on?
> 

>From the /path/to/sendmail source/cf/README file... 

BTW: There is a boat load of information regarding configuring
sendmail in
this README file. I have only included the relevant part to your
question
below.

Steve Cowles

<README cut/paste begin>

Remember, since /etc/mail/access is a database, after creating the
text
file as described below, you must use makemap to create the database
map.  For example:

        makemap hash /etc/mail/access < /etc/mail/access

The table itself uses e-mail addresses, domain names, and network
numbers as keys.  Note that IPv6 addresses must be prefaced with
"IPv6:".
For example,

        [EMAIL PROTECTED]                 REJECT
        cyberspammer.com                REJECT
        TLD                             REJECT
        192.168.212                     REJECT
        IPv6:2002:c0a8:02c7             RELAY
        IPv6:2002:c0a8:51d2::23f4       REJECT

would refuse mail from [EMAIL PROTECTED], any user from
cyberspammer.com
(or any host within the cyberspammer.com domain), any host in the
entire
top level domain TLD, 192.168.212.* network, and the IPv6 address
2002:c0a8:51d2::23f4.  It would allow relay for the IPv6 network
2002:c0a8:02c7::/48.

The value part of the map can contain:

        OK              Accept mail even if other rules in the
running
                        ruleset would reject it, for example, if the
domain
                        name is unresolvable.  "Accept" does not mean
                        "relay", but at most acceptance for local
                        recipients.  That is, OK allows less than
RELAY.
        RELAY           Accept mail addressed to the indicated domain
or
                        received from the indicated domain for
relaying
                        through your SMTP server.  RELAY also serves
as
                        an implicit OK for the other checks.
        REJECT          Reject the sender or recipient with a general
                        purpose message.
        DISCARD         Discard the message completely using the
                        $#discard mailer.  If it is used in
check_compat,
                        it affects only the designated recipient, not
                        the whole message as it does in all other
cases.
                        This should only be used if really necessary.
        SKIP            This can only be used for host/domain names
                        and IP addresses/nets.  It will abort the
current
                        search for this entry without accepting or
rejecting
                        it but causing the default action.
        ### any text    where ### is an RFC 821 compliant error code
and
                        "any text" is a message to return for the
command.
                        The string should be quoted to avoid
surprises,
                        e.g., sendmail may remove spaces otherwise.
                        This type is deprecated, use one the two
                        ERROR:  entries below instead.
        ERROR:### any text
                        as above, but useful to mark error messages
as such.
        ERROR:D.S.N:### any text
                        where D.S.N is an RFC 1893 compliant error
code
                        and the rest as above.

For example:

        cyberspammer.com        ERROR:550 "We don't accept mail from
spammers"
        okay.cyberspammer.com   OK
        sendmail.org            RELAY
        128.32                  RELAY
        IPv6:1:2:3:4:5:6:7      RELAY
        [127.0.0.3]             OK
        [IPv6:1:2:3:4:5:6:7:8]  OK

would accept mail from okay.cyberspammer.com, but would reject mail
from
all other hosts at cyberspammer.com with the indicated message.  It
would
allow relaying mail from and to any hosts in the sendmail.org domain,
and
allow relaying from the 128.32.*.* network and the IPv6
1:2:3:4:5:6:7:*
network.  The latter two entries are for checks against
${client_name} if
the IP address doesn't resolve to a hostname (or is considered as
"may be
forged").  That is, using square brackets means these are host names,
not network numbers.

<README cut/paste end>



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