Using James with Sendmail

[Mike Bridge <mi...@bridgecanada.com>]

I spent some time yesterday figuring out how to configure
sendmail to forward to james, and I thought other people 
might find it useful too.  (I adapted this from the Lyris 
documentation.)

-Mike


===================

Setting up Sendmail to Forward to James on Same IP Address

This describes how to set up sendmail and James so that
they can coexist on the same machine.  The content has
been adapted from the Lyris documentation.  The example will 
configure the domain "z.com" to be processed by sendmail and 
"list.z.com" to be processed by james.

1) Set up James

Sendmail (I'm using 8.11.6) and James (2.0a1) will have
to run on separate ports.  Once you have James extracted,
add the line 

  <servername>list.x.com</servername>

so that James knows to accept mail for this domain.

You will also need to change the port configurations in config.xml.  
Under the <smtpserver> section, change the port value to 26.  
Restart James, and make sure it comes up correctly.  Check the log
to see if you get any errors.

2) Configure the DNS and /etc/hosts file

You will need to make sure that "list.z.com" is an A record,
which points to the same IP address.  Creating a CNAME will
not work, because CNAME aliases will usually get rewritten 
by sendmail.  In the z.com zone file:

    original IN	A	192.168.0.1
    list IN	A	192.168.0.1

Then, create MX records for the new subdomain like this:

    list		IN	MX	5	original.z.com.

Once that's done, you can also add list.z.com to the /etc/hosts file.

3) Configure sendmail

a) Define a mail delivery agent

You first need tell sendmail that james is a mail delivery agent.  Add
the following line to your sendmail.cf file.  Note that
there are TABS before the P=, T= and A=.

Mjames,	      P=[IPC], F=mDFMuX8ak, E=\r\n, L=990, 
	T=DNS/RFC822/SMTP, 
        A=IPC $h 26

b) Create the S0 rule

The following rule tells sendmail to use the delivery agent
we defined in (a) for addresses ending in @list.z.com:

R$*<$*...@list.z.com>$*  $#lyris $@list.z.com :$1<$2...@list.z.com>$3

This line goes somewhere after a line that says "S0".

Note that the first whitespace is actually TAB, and the other two spaces 
are actually spaces.

c) Allow sendmail to relay to your new hostname.

Normally, you'll need to either add a Cw entry in your sendmail.cf
file, or you'll add the domain to the file /etc/mail/relay_allow.
(This file name appears in the line F{RelayTo}).

d) Add a mailertable entry

Lastly, you'll need to make sure that mailertable is enabled in
sendmail.cf, e.g.:

    Kmailertable hash /etc/mail/mailertable

and add a line to your mailertable file that looks like this:

    list.z.com james:original.z.com

then run makemap:

    makemap hash mailertable < mailertable

Once you've restarted sendmail, james should be receiving
mail for @list.z.com.


-- 
Mike Bridge <mi...@bridgecanada.com>

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