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    bash: tail: write error: Broken pipe

    Hello there, I've wroting a script "filter_postfix_SASL_fail_dmn.sh" for notifying me if a SALS login failure was found: #!/bin/sh # Postfix SASL fail tail -fn0 /var/log/maillog | while read line ; do stamp=`grep "SASL PLAIN authentication failed" /var/log/maillog | tail -n 1 | cut -d ' ' -f...
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