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Perl

Explicitly Connect to the SMTP Server

See more SMTP Examples

Demonstrates the Chilkat MailMan.SmtpConnect method, which explicitly connects to the SMTP server. If SSL/TLS is required by the current property settings, the secure TLS channel is established as part of connecting. This example opens the connection.

Background: SmtpConnect performs just the connect (and TLS handshake) step, without authenticating — useful when you want fine-grained control over the connection lifecycle, or to separate connecting from authenticating (SmtpAuthenticate) for diagnostics. For everyday sending you don't need to call it: SendEmail connects automatically.

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Perl
use chilkat();

$success = 0;

#  Demonstrates the MailMan.SmtpConnect method, which explicitly connects to the SMTP server.
#  If SSL/TLS is required by the current property settings, the secure channel is established
#  as part of connecting.

$mailman = chilkat::CkMailMan->new();

#  Configure the SMTP server connection.
$mailman->put_SmtpHost("smtp.example.com");
$mailman->put_SmtpPort(465);
$mailman->put_SmtpSsl(1);

#  Explicitly connect to the SMTP server (does not authenticate).

$success = $mailman->SmtpConnect();
if ($success == 0) {
    print $mailman->lastErrorText() . "\r\n";
    exit;
}

print "Connected to the SMTP server." . "\r\n";