02-28-2008
Spoofing a From Address in SMTP
Hi, I am currently using Mailx to send a mail message from my unix account via an SMTP relay. This is working ok.
However from the recipient end the FROM address they see on mails received is <unix account>@<domain> eg
prod@liveserver.com
Is there anyway I can spoof this FROM address from the mailx send such that from the recipient end they see a different address ? I would like them to see
automailer@investserver.com
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LEARN ABOUT DEBIAN
mail::verify
Mail::Verify(3pm) User Contributed Perl Documentation Mail::Verify(3pm)
NAME
Mail::Verify - Utility to verify an email address
SYNOPSIS
use Mail::Verify;
DESCRIPTION
"Mail::Verify" provides a function CheckAddress function for verifying email addresses. First the syntax of the email address is checked,
then it verifies that there is at least one valid MX server accepting email for the domain. Using Net::DNS and IO::Socket a list of MX
records (or, falling back on a hosts A record) are checked to make sure at least one SMTP server is accepting connections.
ERRORS
Here are a list of return codes and what they mean:
0 The email address appears to be valid.
1 No email address was supplied.
2 There is a syntaxical error in the email address.
3 There are no DNS entries for the host in question (no MX records or A records).
4 There are no live SMTP servers accepting connections for this email address.
EXAMPLES
This example shows obtaining an email address from a form field and verifying it.
use CGI qw/:standard/;
use Mail::Verify;
my $q = new CGI;
[...]
my $email = $q->param("emailaddr");
my $email_ck = Mail::Verify::CheckAddress( $email );
if( $email_ck ) {
print '<h1>Form input error: Invalid email address.</h1>';
}
[...]
perl v5.8.8 2002-06-09 Mail::Verify(3pm)