9.86 on page
1065, has authwarnings set):
X-Authentication-Warning: user set sender to other using -f
See FEATURE(use_ct_file) (?§17.8.55 on page 643) for an easy way to add users to this class
using the m4 technique.
22.6.16 $=w
List of our other names All versions
Before the sendmail program reads its configuration file, it calls gethostbyname(3) or getipnodebyname(
3) to find all the known aliases for the local machine. The argument given to
gethostbyname(3) or getipnodebyname(3) is the value of the $w macro that was derived from
a call to gethostname(3) (?§21.9.101 on page 850).
Depending on the version of sendmail you are running, the aliases that are found will be
either those from your /etc/hosts file or those found as additional A or AAAA records in a DNS
lookup. Then, depending on the DontProbeInterfaces option (?§24.9.42 on page 1023),
sendmail will round out that picture by examining (probing) each network interface and
extracting from it the associated IP address or hostname.
To see the aliases that sendmail found, or to see what it missed and should have found, use
the -d0.4 debugging switch(?§15.7.2 on page 542). Any aliases that are found are printed
as:
aka: alias
Depending on your version of sendmail, each alias is either a hostname (such as
rog.stan.edu) or an IPv4 address (suchas [123.45.67.8]), or an IPv6 address (suchas [IPv6:
2002:c0a8:51d2::23f4]).
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