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| local mailer is used by sendmail to deliver mails; however since we are not using the server to host any emails we don't need it. We can change it to pass all the mails to mm-handler. | local mailer is used by sendmail to deliver mails; however since we are not using the server to host any emails we don't need it. We can change it to pass all the mails to mm-handler. Edit /usr/share/sendmail-cf/mailer/local.m4 <<BR>> |
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{{{#!wiki warning Make sure that there is a tab after Mlocal, and not spaces. Otherwise it might not work }}} {{{#!wiki warning This Mlocal is modified so that sendmail passes the hostname using -j parameter. Also a -d parameter has been added before $u. }}} 1. This assumes that mm-handler is installed in /etc/mail/mm-handler. You change it to the location where mm-handler is installed/copied. 1. U=mailman:mail shall run mm-handler as user:mailman, group:mail. Change it to one that your mailman installation expects. === mm-handler === Copy the file into /etc/mail/ directory (or where ever your installation of sendmail is). {{{#!wiki caution Make sure that the path in your local.m4 is the same as the one where you are copying the mm-handler file }}} {{{ chmod ug+x mm-handler }}} |
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| This shall make the script executable by user and group. {{{ chown root:mail mm-handler }}} This changes the group to mail. However you should make it that specified in local.m4. |
Assumption
The following has been tested using the following configuration
- Mailman 2.1.9
- Sendmail 8.13.1
- CentOS release 4.5 (Final)
- Attached mm-handler (most noticeable change is writing logs to syslog)
- You are going to be using the server only for mailing lists and not for delivery to local addresses
Method
For the purpose of this document the server domain shall be called mailman.foo.com and it is a 'A' name entry in the DNS.
virtusertable
add the following in your /etc/mail/virtusertable
this shall redirect any email to root on the server to be redirected to the email admin on the mail server.
local.m4
local mailer is used by sendmail to deliver mails; however since we are not using the server to host any emails we don't need it. We can change it to pass all the mails to mm-handler. Edit /usr/share/sendmail-cf/mailer/local.m4
at the end of the file look for
Mlocal, ...
and replace it with
Mlocal, P=/etc/mail/mm-handler, F=rDFMhlqSu, S=EnvFromL, R=EnvToL/HdrToL, T=DNS/RFC822/X-Unix, U=mailman:mail, A=mm-handler $h -j $j -d $u
Make sure that there is a tab after Mlocal, and not spaces. Otherwise it might not work
This Mlocal is modified so that sendmail passes the hostname using -j parameter. Also a -d parameter has been added before $u.
This assumes that mm-handler is installed in /etc/mail/mm-handler. You change it to the location where mm-handler is installed/copied.
U=mailman:mail shall run mm-handler as user:mailman, group:mail. Change it to one that your mailman installation expects.
mm-handler
Copy the file into /etc/mail/ directory (or where ever your installation of sendmail is).
Make sure that the path in your local.m4 is the same as the one where you are copying the mm-handler file
chmod ug+x mm-handler
This shall make the script executable by user and group.
chown root:mail mm-handler
This changes the group to mail. However you should make it that specified in local.m4.