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(PHP Extension) POP3 Verify Signed (S/MIME) EmailDemonstrates how to download and verify digitally signed S/MIME email.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $mailman = new CkMailMan(); // Set the POP3 server's hostname $mailman->put_MailHost('pop.someMailServer.com'); // Set the POP3 login/password. $mailman->put_PopUsername('myLogin'); $mailman->put_PopPassword('myPassword'); // sa is a CkStringArray $sa = $mailman->GetUidls(); if ($mailman->get_LastMethodSuccess() == false) { print $mailman->lastErrorText() . "\n"; exit; } $i = 0; while ($i < $sa->get_Count()) { $uidl = $sa->getString($i); // email is a CkEmail $email = $mailman->FetchEmail($uidl); if ($mailman->get_LastMethodSuccess() == false) { print $mailman->lastErrorText() . "\n"; exit; } print $email->from() . "\n"; print $email->subject() . "\n"; // The security layers of signed and/or encrypted emails // are automatically "unwrapped" when loaded into // a Chilkat email object. // An application only needs to check to see if an email // was received signed or encrypted, and then examine // the success/failure. For example: if ($email->get_ReceivedSigned() == true) { print 'This email was signed.' . "\n"; // Check to see if the signatures were verified. if ($email->get_SignaturesValid() == true) { print 'Digital signature(s) verified.' . "\n"; print 'Signer: ' . $email->signedBy() . "\n"; // The certificate used for signing may be obtained // by calling email.GetSignedByCert. // cert is a CkCert $cert = $email->GetSignedByCert(); if ($email->get_LastMethodSuccess() == false) { print 'Failed to get signing certificate object.' . "\n"; } else { print 'Signing cert: ' . $cert->subjectCN() . "\n"; } } else { print 'Digital signature verification failed.' . "\n"; } } $i = $i + 1; } $mailman->Pop3EndSession(); ?> |
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