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Author: el_kab0ng
Date: 18-12-01 07:27
ok... here we go with a lengthy description...
I have the following three servers:
server.com
server1.server.com
mail.server.com
I want mail.server.com to handle all incoming and outgoing mail for server1.server.com. I have sendmail set up to masquerade any user on server1.server.com as user@server.com.
I can send mail via mail.server.com, but when replying to user@server.com, I keep getting user unknown errors.
I thought I could swing it with virtusertables (user@server.com user@server1.server.com) but that didn't work.
I even went so far as to try aliases on mail.server.com, with no luck.
Can sendmail do smart routing like I want?
server1 -> mail -> world
world -> mail -> redirect based on "to" -> server1
confused yet?
I run sendmail 8.11 on FreeBSD 4.4-RELEASE
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Author: el_kab0ng
Date: 18-12-01 08:36
Actually, after further review... here's some additional info..
The ASCII "flow chart" would be better represented by this:
user@server1 -> mail -> world (outbound mail from server1 relays through mail)
world -> user@web -> mail <- users (users having a "real" account on the mail server)
world -> user@web -> mail -> user@server1 <- users (users who have an account on server1, but are masqueraded as @web email addresses, yet don't have "real" accounts on the mail server.
where the following conditions are met:
web == 1 machine handling all web and directing any @web email addresses to mail.
mail == 1 machine handling all mail for both web and server1.
server1 == 1 shell box with a subdomain masqueraded as @web email accounts.
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Author: Dan Larsson
Date: 19-12-01 11:23
You need the domain "server.com" in your
"/etc/mail/local-domains" (this is the file which previously went
by the name "/etc/sendmail.cw") file alternatively add the feature "virtuser-entire-domain" to your sendmail.mc file and rebuild your sendmail.cf.
You might also find the use for "mailbox-tables". Which allows
you to split a domain based mail route to specific servers
depending on the userid, this is IIRC a hack not distributed with
sendmail so you'll have to do a search on Google or whatever to
find out more on this.
Doing a "sendmail -bv user@server.com" from the commandline
should tell you right away if sendmail knows how to handle emails
sent to that particular user.
Alternatively try setting up a mailertable entry, which would
look something like this:
"server.com relay:[server1.server.com]"
This will tell sendmail to relay mail for the entire domain "server.com" to the server "server1.server.com". This combined
with a mailbox-table might get you a push in the right direction.
Good luck!
/D
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