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Bryan Costales, Claus Assmann, George Jansen, Gregory Shapiro

"sendmail, 4th Edition"

site TEMP:421 printer is down for repair
Compat:bob@your.site<@>betty@your.site ERROR:553 Interoffice banter banned
Compat:betty@your.site<@>bob@your.site ERROR:553 Interoffice banter banned
This is the Title of the Book, eMatter Edition
Copyright ?© 2007 O??™Reilly & Associates, Inc. All rights reserved.
7.5 The access Database | 289
The first line might be used at a site where the pseudouser bin generates a great deal
of automated email and that email is sent to admin, among others. This line causes
that automated mail to be accepted and discarded.
The second line might be used to prevent mail from a known spam list from being
sent to the user taka at your site. This line causes that spam mail to be accepted and
discarded.
The third line might be used to defer mail to a printer from the database. The TEMP
will cause the message to be deferred for a later try. You could then remove this line
after the printer is repaired and back in service.
The last two lines show a way to prevent two users at your site from sending email to
each other. The idea is that it is OK for them to send email to each other at other
sites, but not this one. Each such prohibited message is rejected and bounced. For this
scheme to work, however, you will need to place an empty root-owned ~/.forward file
in each of the two users??™ home directories to prevent them from bypassing this restriction
by setting up their own ~/.


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