qmail the syntax would be: have the host name in /var/qmail/control/rcpthosts also put in the file smtproutes: emaildomainname:[ipaddressofdestinationhost] that will tell qmail to hold email for 7 days attempting to deliver it the primary address. then add: On 4/1/06, Kevin Miller <Kevin_Miller@xxxxxxxxxxxxxxx> wrote: > > mike noel wrote: > > I'd be willing to try it. I'm using sendmail 8.12.8 on an RH9 server. > > Do=20 > > you have some idea how to set up our two servers to do this? > > It's not hard. In sendmail I think the default retention time is 4 or 5 > days. Usually plenty of time for service to be restored. After that it > will return messages to the sender. The files you want to edit are > relay-domains and mailertable, probably in /etc/mail. > > In mailertable you put in the domains you're accepting for and where to > route the mail when the primary server becomes available. For instance > you might have an entry like this: > > mikenoel.org esmtp:[192.168.5.17] > > The domain and address are purely fictictious of course. One would put > in the IP of the mail server that should be accepting for that domain if > it wasn't down for some reason, thus wouldn't use a non-routable > address. Separate the fields with TABS, not spaces. > > After you've created/edited your mailertable you need to turn it into a > db with the following command: > > makemap hash /etc/mail/mailertable < /etc/mail/mailertable > > (Don't be thrown by the input and output files having the same name. > makemap will append an extension automatically so the output file ends > up being mailertable.db.) > > In relay-domains you just put in the name of the domains for which > you'll relay: > > mikenoel.org > kevinmiller.org > someotherdomin.org > > I think that'll about do it... > > ...Kevin > --=20 > Kevin Miller Registered Linux User No: 307357 > CBJ MIS Dept. Network Systems Admin., Mail Admin. > 155 South Seward Street ph: (907) 586-0242 > Juneau, Alaska 99801 fax: (907 586-4500 > ------------------------------------ > The Juneau Linux Users Group -- http://www.juneau-lug.org > This is the Juneau-LUG mailing list. > To unsubscribe, send an e-mail to juneau-lug-request@xxxxxxxxxxxxx with > the word unsubscribe in the subject header. > ------------------------------------ The Juneau Linux Users Group -- http://www.juneau-lug.org This is the Juneau-LUG mailing list. To unsubscribe, send an e-mail to juneau-lug-request@xxxxxxxxxxxxx with the word unsubscribe in the subject header.