SUMMARY: sendmail`s ETRN functionality and forcing queueing for a domain

Thanks to all that replied to my inquiry about ETRN and queue:
R A Lichtensteiger, King, Brooke, David Sullivan 


1.st Solution

First, make sure your sendmail is new enough to have the  "dsmtp" mailer
defined in the .cf file as well as knowing how to play with the mailertable
file.  Just grep sendmail.cf for  "^Mdsmtp" and  "^Kmailertable"
Then add the domain you want to delay to the /etc/mail/mailertable
file, like this:
dom.ain          dsmtp:

2.nd Solution
You could deliver the messages to a queue that has no automated queue 
runners, that is,
no -q option on the daemon.

3.rd Solution
So, the first step is to modify your sendmail.mc (or direct to 
the .cf if you want) to have the new mailer.  Add the following 
to sendmail.mc: (everything from Mqsmtp is a single line.)
    FEATURE(mailertable)
    define(`confCON_EXPENSIVE', `true')
    # expensive mailer for dialup connections
    Mqsmtp, P=[IPC], F=CONCAT(emDFMuXa, SMTP_MAILER_FLAGS),      
S=11/31, R=21, E=\r\n, L=990, A=TCP $h

Then, use the mailertable to tell sendmail which domains use 
which mailer.  Foreach domain that uses ETRN, add an entry that 
looks like:
    host.domain     qsmtp:[realhost.domain]

You can then check via the sendmail -bv command.


and Alan Pae
send me hundreds of Solaris links 
Sun Country http://www.geocities.com/paedalbu
Mirror site http://resources.solaris-x86.org

Thanks for your help!

-- 
Michael Schneider 
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