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<tr><form name="myForm"
  method="post" action="main.pl?EV1=11393523143375135">

function View(mid) {
    document.myForm.action = 'view.pl?EV1=11393523143375135';
...
    document.myForm.mid.value = mid;
    document.myForm.submit();
}

<tr  align="left" valign="top">
<td>&nbsp;&nbsp;&nbsp;</td>
...

</tr>

$ua->post( $url, \%form )

tcpdump -A -s 65535 -i eth0 -l host $MY_IP and host $REMOTE >sniff.txt

Content-Length: 262
goToMenu=&filefolder=&jumpList=&folder=INBOX&movefolder=&command=
...
  &midseq=5096143440.5096113306.5095988201.5095286849
  &isSearch=0&showDraft=0&filefolder2=&jumpList2=

:.s/^/my %form = (^M    "
:.s/=/" => "/g
:.s/&/",^M    "/g
:.s/$/"^M);

my %form = (
    "goToMenu" => "",
...
    "jumpList2" => ""
);

my %form = (
#    "goToMenu" => "",
...
#    "jumpList2" => ""
)

#!/usr/bin/perl
#
...

}