What makes Postfix really nice as a replacement for sendmail is the fact that you can seamlessly and transparently replace sendmail using the same files you're already used to, making migration easy. Postfix supports the /var/mail/ filesystem, /etc/aliases, /etc/access, NIS, NetInfo and ~/.forward files, read more..
The standard Perl distribution comes with a debugger, although it's really just another Perl program, perl5db.pl. Since it is just a program, I can use it as the basis for writing my own debuggers to suit my needs, or I can use the interface perl5db.pl provides to configure its actions. That's just the beginning, though. read more...
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