Chad Kellerman wrote:
> Hello again,
>
> I am using getOpts::Std, with a -e option where you have to emter in
> your email address. How can I do checking on that address. I am trying
> to verify the domain as well as the user.
>
> Here is what I have but I don't know how to contiue:
>
> <code>
>
> getopts("d:s:e;h"); # colons take arguements
> my @authUsers = "bob, chuck, pam, lee, april";
>
> if ($opt_e =~ /\@somedomain.com/) {
> print "please use a valid somedomain.com email account\n";
> exit;
> }elsif ( ) {
> print "you are not a valid user for this program. go away\n";
> exit;
> }
>
> I am not sure if I can put a conditional statement for the elsif
> statement that would loop thru the @authUsers. Or put it this way, I
> don't know how. I am working on a linux system, the user and group
> permissions I am not worried about at this point in time, because I want
> to use the valid email address later.
>
> Can anyone point me in the right direction? Not sure if I should
> change my @authusers to full valid email accounts and verify the whole
> account, or pieces like I am doing.
>
you are not going to like the answer :-)
$perdoc -q 'address'
Found in /usr/lib/perl5/5.6.1/pod/perlfaq9.pod
How do I check a valid mail address?
You can't, at least, not in real time. Bummer, eh?
Without sending mail to the address and seeing whether
there's a human on the other hand to answer you, you can�
not determine whether a mail address is valid. Even if
you apply the mail header standard, you can have problems,
because there are deliverable addresses that aren't
RFC-822 (the mail header standard) compliant, and
addresses that aren't deliverable which are compliant.
read through the rest of the doc
david
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