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Perl – Sending Email with NET::SMTP using username and password

Perl – Sending Email with NET::SMTP using username and password First of all double check that Authen::SASL is an installed module.. If you are not getting emails this could be why – it doesnt provide an error that is understandable! #!/usr/bin/perl ### ENSURE Authen::SASL is installed use Net::SMTP; use strict; use warnings; my $host= ‘yourhostname’; […]
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Fix Open Postfix Relay – Unauthenticated Email

If your mail server is left open, anyone can use your SMTP service to send mail, and spammers will use it. This can result in your server being blacklisted and extraneous use of system resources that neither benefit you nor your users. Postfix logoTo secure Postfix, there are a number of functions you can add […]
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send: Cannot determine peer address

Looking into IO::Socket at http://search.cpan.org/src/GBARR/IO-1.2301/IO/Socket.pm reveals: [perl] sub send { @_ >= 2 && @_ <= 4 or croak ‘usage: $sock->send(BUF, [FLAGS, [TO]] +)’; my $sock = $_[0]; my $flags = $_[2] || 0; my $peer = $_[3] || $sock->peername; croak ‘send: Cannot determine peer address’ unless($peer); [/perl] So you have to take care that […]
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Perl – Is a value decimal, real or a string?

Perl – Is a value decimal, real or a string? To validate if a number is a number using regex. [perl] $number = “12.3”; if ($number =~ /\D/) { print “has nondigits\n” } if ($number =~ /^\d+$/) { print “is a whole number\n” } if ($number =~ /^-?\d+$/) { print “is an integer\n” } if […]
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Perl – Basic Fork Example

#!/usr/local/bin/perl   use strict; use warnings;   print "Starting main program\n"; my @childs;   for ( my $count = 1; $count <= 10; $count++) {         my $pid = fork();         if ($pid) {         # parent         #print "pid is $pid, parent $$\n";         push(@childs, $pid);         } elsif ($pid == 0) {                 # child                 sub1($count);                 exit 0;         } else […]
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PHP – Basic Fork Example

<?   print "Starting main program\n"; $childs = array();   for ( $count = 1; $count <= 10; $count++) {         $pid = pcntl_fork();         if ( $pid == -1 ) {                 // Fork failed                           echo "Fork failed\n";                 exit(1);         } else if ( $pid ) {                 # parent                 #print "pid is $pid, parent $$\n";                 array_push($childs, $pid);         } […]
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