Configure sendmail to Only send mail to one domain


 
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Old 04-22-2014
Configure sendmail to Only send mail to one domain

On both Solaris 10 and RHEL, we would like to configure sendmail in such a way that the email sent from the server should only go to a particular domain. For eg. We want our server to ONLY send the mail to <user_name>@abc.com. All other domains should be blocked/restricted. The server should not send the mail to any other external domain except abc.com (Company's internal domain).

Can someone please suggest how can we accomplish this?

Thanks!!
 
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praliases(1)							   User Commands						      praliases(1)

NAME
praliases - display system mail aliases SYNOPSIS
praliases [-C configfile] [-f aliasfile] [key] DESCRIPTION
The praliases utility displays system mail aliases. When no key is given, praliases displays the current system aliases, one per line, in no particular order. The form is key:value. If a key is given, only that key is looked up and the appropriate key:value is displayed if found. OPTIONS
The following options are supported: -C configfile Specifies a sendmail configuration file. -f aliasfile Reads the specified file aliasfile instead of the default sendmail system aliases file. OPERANDS
The following operands are supported: key A specific alias key to look up. EXIT STATUS
The following exit values are returned: 0 Successful operation. >0 An error occurred. FILES
/etc/mail/aliases Default sendmail system aliases file /etc/mail/aliases.db Database versions of the /etc/mail/aliases file /etc/mail/aliases.dir Database versions of the /etc/mail/aliases file /etc/mail/aliases.pag /etc/mail/sendmail.cf Default sendmail configuration file ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWsndmu | +-----------------------------+-----------------------------+ SEE ALSO
mailq(1), newaliases(1M), sendmail(1M), attributes(5) SunOS 5.10 29 Mar 2004 praliases(1)