for ループで Net::SMTP を使用すると問題が発生します。最初の反復は機能しますが、2 回目の反復で、スクリプトは Can't call method "mail" on an undefined value at... で終了します。
$smtp->mail('hacker@hacker.net'); #from.
何か案は?!御時間ありがとうございます!
use strict;
use warnings;
use Net::SMTP;
my $smtp;
#@data is defined and populated somewhere
foreach my $line (@data) {
my @linearray = split /,/, $line;
my $host = $linearray[2];
$host =~ s/\r|\n//g;
next unless ($host =~ m/([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3}).([0-9]{1,3})/); # skip if it's not an IP (i.e. it's the header row)
print "Connecting to $host...";
# create object
$smtp = Net::SMTP->new(
Hello => 'hacker.net',
Timeout => 3,
Host => $host,
Debug => 1,
);
$smtp->mail('hacker@hacker.net'); #from
my $tocheck = $smtp->recipient('my_email@sanitised.com'); #to
if ($tocheck == 0) {
print "$host is NOT an open relay\n";
#$smtp->quit;
next;
}
$smtp->data();
$smtp->datasend("Test\n");
$smtp->datasend("\n");
$smtp->datasend("A simple test message\n");
$smtp->dataend();
$smtp->quit;
}