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Disable Outgoing Mail

 
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Old 10-28-2008
Disable Outgoing Mail
I have a Solaris 2.6 server running sendmail (Version 8.9.3p2). It actually receives email and runs the sendmail process. I need to configure it so that it continues to receive email, but disable its ability to send email out. My initial ideas was to just rename the mail and mailx binaries. But then I thought that might be a little too ugly. I then did some research and found that I could change a parameter called “DeliveryMode” to “deferred”. Apparently, this will withhold outgoing email. From there, I believe I could just create a cron job that would rm the contents of /var/spool/mqueue every couple of hours or so.

Can you tell me if this would thoroughly prevent email from going out? Or if there is a better way to do this?

The thought also occurred to me that I could alter outgoing mail so that ALL of it is directed to /dev/null or to a dummy email address (which is valid, but is really just another way to route to /dev/null). Is there a way to do this? Possibly using some config of the /etc/mail/aliases file?


Thank you very much for your assistance,
Rosko
 
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LEARN ABOUT SUSE

mailto.conf

mailto.conf(5)							    Apple Inc.							    mailto.conf(5)

NAME

       mailto.conf - configuration file for cups email notifier

DESCRIPTION

       The mailto.conf file defines the local mail server and email notification preferences for CUPS.

       Each line in the file can be a configuration directive, a blank line, or a comment. Comment lines start with the # character.

DIRECTIVES

       Cc cc-address@domain.com
	    Specifies an additional recipient for all email notifications.

       From from-address@domain.com
	    Specifies the sender of email notifications.

       Sendmail sendmail command and options
	    Specifies  the  sendmail  command  to use when sending email notifications. Only one Sendmail or SMTPServer line may be present in the
	    mailto.conf file. If multiple lines are present, only the last one is used.

       SMTPServer servername
	    Specifies a SMTP server to send email notifications to. Only one Sendmail or SMTPServer line may be present in the	mailto.conf  file.
	    If multiple lines are present, only the last one is used.

       Subject subject-prefix
	    Specifies a prefix string for the subject line of an email notification.

SEE ALSO

       classes.conf(5), cupsd(8), cupsd.conf(5), mime.convs(5), mime.types(5), printers.conf(5),
       http://localhost:631/help

COPYRIGHT

       Copyright 2007-2009 by Apple Inc.

12 July 2006							       CUPS							    mailto.conf(5)