If using the formail in Perl Aruba you obtain the error of absence of the variable HTTP_REFERER from the form

The use of this solution together with firewall, proxy, zone alarm and similar ones generates this answer: you need to set the firewall in this way or disable it.

Also be careful not to modify arbitrarily the code: this formail uses a dll which is not available for the formail reachable on the net and the parameters are slightly different.

We advise for easier use, better personalization and total independence from the functioning of the perl described above, to use this solution in php or one of the other solutions which you can find in this page of the vademecum.