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6.6

Help configuring Sendmail for an ISP environment (inbound MX routers)

Asked by Frog357 in SendMail Email Server

Tags: sendmail, nullclient

Hello,
I need help getting sendmail configured for an ISP environment.  I need to accept inbound mail for multiple domains (no outbound, no local), I wasn't sure how to accumplish this so I recently tried RELAY_DOMAINS but I am thinking there might be a better way?  I'm setting up an inbound mail relay to forward all mail to our internal mail hub.  I purchased the o'riley black bat book for sendmail and after reading through it, I'm having information overload ;)

Here's my sendmail.mc file:
divert(0)dnl
VERSIONID(`1.0.1')
OSTYPE(freebsd4)
DEFINE(`confEBINDIR', `/usr/local/libexec')
DEFINE(`confLOG_LEVEL', `15')dnl Increase the logging level to help diagnose troubles..
DEFINE(`confPRIVACY_FLAGS', `authwarnings,needmailhelo,goaway')dnl
DEFINE(`MAIL_HUB', `mailhub.domain.com')
DEFINE(`confDONT_PROBE_INTERFACES',true)
DEFINE(`confSMTP_LOGIN_MSG', `')
RELAY_DOMAIN_FILE(`/etc/mail/relay-domains')
dnl FEATURE(`use_cw_file')
dnl FEATURE(`nullclient', `mailhub.mydomain.com')
dnl First make sendmail work, then play with filters... MAIL_FILTER(`mimedefang', `S=local:/var/spool/MIMEDefang/mimedefang.sock, T=C:15m;S:4m;R:4m;E:10m')
dnl DEFINE(`confINPUT_MAIL_FILTERS', `mimedefang')
dnl MAILER(`local')
MAILER(`smtp')


At first I tried using use_cw_file but found this was an error in my thinking, this is only for accepting local mail?


Question is:
What should I change to configure this for our requirements?
Inbound relay -> internal mail hub
No outbound mail on inbound relay
No local mail on inbound relay

OS is FreeBSD 4.9
 
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Zone: SendMail Email Server
Tags: sendmail, nullclient
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Solution Provided By: jlevie
Participating Experts: 2
Solution Grade: A
 
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