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I wouldn't play with /sysconfig/cron, other than set the daily cronjobs at midnight, and prefer postrotate instead. Let's suppose today is 17/04/2015, this is the content of your directory after the rotation but before postrotate script has run: catalina.out-20150414 catalina.out-20150415 catalina.out-20150417 catalina.out Note that catalina.out-20150416 ...


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In order for outgoing email to work, you need two things: allow outgoing SMTP connection (and their return packets). This one you've already got covered, it seems. a way to figure out which host to send the mail to. This is what currently doesn't work. There are two possibilities to solve the second issue: You can allow your server to perform DNS ...


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Output policy is set to ACCEPT? then there is no need to create an OUTPUT rule. Rather, you need an incoming rule to either (1) accept established connections or (2) accept non-syn packets from port 25. The first is preferred and is accomplished in Linux with: iptables -I INPUT 1 -m state --state RELATED,ESTABLISHED -j ACCEPT If you want to be more ...



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