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UGU: Unix Guru Universe - Unix Tip #4416- April 14, 2025
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Unix Tip #4416- April 14, 2025
CHECK SENDMAIL SETTINGS
Don't think that sendmail is
configured correctly and want
to check your sendmail settings:
# echo '$=R' | /usr/lib/sendmail -bt -d0.4
Version 8.9.3+Sun
Compiled with: MAP_REGEX LOG MATCHGECOS MIME7TO8 MIME8TO7 NAMED_BIND
NDBM NETINET NETUNIX NEWDB NIS NISPLUS QUEUE SCANF SMTP USERDB
XDEBUG
canonical name: foobar.com
a.k.a.: foobar
a.k.a.: fii.foobar.com
UUCP nodename: foobar
a.k.a.: foobar.com
a.k.a.: loghost
a.k.a.: [206.99.99.99]
UUCP nodename: foobar
a.k.a.: [127.0.0.1]
============ SYSTEM IDENTITY (after readcf) ============
(short domain name) $w = foobar
(canonical domain name) $j = fii.foobar.com
(subdomain name) $m = foobar.com
(node name) $k = foobar
========================================================
ADDRESS TEST MODE (ruleset 3 NOT automatically invoked)
Enter
> >
NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted
by various unix admins around the globe. UGU suggest you read and
test each tip in a non-volitile environment before placing into
production.
LAST 5 TIPS
4415
- IS YOUR HARDWARE GETTING STOLEN?
4414
- CONVERTING CAPS IN VI
4413
- DISPLAY ENTIRE BLOCKS
4412
- OUTPUT BETWEEN LINES
4411
- A VI FILE REVERSAL
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