Why is Sendmail not accepting connections from any host except localhost (127.0.0.1)?
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By default, Sendmail is configured to only accept connections from localhost (127.0.0.1). To allow connections from ALL hosts, please do the following:
Note: This will setup Sendmail to allow connections from ALL IP's and all interfaces on the machine.
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Install the package with the following option
# up2date se...
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