September 2004
Intermediate to advanced
192 pages
10h 12m
English
Content preview from sendmail 8.13 CompanionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 24. The O (Options) Configuration Command
Options affect the operation of the sendmail
program. Options can be specified in the command line, in the
sendmail.cf file, and in the
mc configuration file.
Most options are preset in your sendmail.cf file
in a way that is likely to be appropriate for your site. But some
sites, especially those that have high mail loads or are connected to
many different networks, will need to tune options for their unique
needs.
What’s New with V8.13
V8.13 sendmail has modified 12 existing options
and introduced 6 new ones.
The existing
AuthOptionoption (24.9.6[3ed]) now has a newmflag (Section 24.1.1 [V8.13]) that requiressendmailto use mechanisms that support mutual authentication.The existing
ConnectionCacheSizeandConnectionCacheTimeoutoptions now affect delivery agents that useP=[LPC]for delivery (Section 24.1.2 [V8.13]).The existing
CheckpointIntervaloption (24.9.13[3ed]) can no longer have its value raised on the command line by nontrusted users (Section 24.1.3 [V8.13]).The existing
DaemonPortOptions(24.9.24[3ed]) option’s newInputMailFilters=equate allows you to specify which Milters should processes arriving mail on each listening port (Section 24.1.4 [V8.13]).The existing
DaemonPortOptions(24.9.24[3ed]) option’s existingModifiers=equate offers a new modifiersthat tells sendmail to use SMTP over SSL (Section 24.1.5 [V8.13]).The existing
ErrorMode(24.9.44[3ed]) option’swritemode has been deprecated and removed ( ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.