Re: Mail::CheckUser issue

Your expectations do not match those of the module's author:

return _result(CU_SMTP_UNREACHABLE,
                       'Cannot connect SMTP servers: ' .
                       join(', ', @mservers));
...
sub _result($$) {
    my($code, $reason) = @_;
    my $ok = 0;
    $ok = 1 if $code == CU_OK;
    $ok = 1 if $code == CU_SMTP_UNREACHABLE;
...
[download]

The module's author apparantly decided not to assume a bad address if the server cannot be reached. You'll need to add your own test, i.e.

if (Mail::CheckUser::last_check()->{code} == CU_SMTP_UNREACHABLE) {
  # can't reach server
  ...
}
[download]

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Re^2: Mail::CheckUser issue by adrianh (Chancellor) on Aug 27, 2004 at 09:33 UTC
The module's author apparantly decided not to assume a bad address if the server cannot be reached. And, if you want to prevent legal addresses being rejected, it's a good assumption too. An unreachable SMTP server doesn't necessarily mean that the e-mail address is invalid.	[reply]
Re^3: Mail::CheckUser issue by keszler (Priest) on Aug 27, 2004 at 14:08 UTC
I agree, completely. The only value I see in discarding an email address due to CU_SMTP_UNREACHABLE is when checking from the same IP address from which the email will be sent (e.g. routing and/or blocking issues) for email that is worthless if delayed. (Some kind of alert email, perhaps?).	[reply]