echo $IND . "sendmail OK<br />\n";
} else {
- $stream = fsockopen( ($use_smtp_tls==1?'tls://':'').$smtpServerAddress, $smtpPort,
+ // NB: Using "ssl://" ensures the highest possible TLS version
+ // will be negotiated with the server (whereas "tls://" only
+ // uses TLS version 1.0)
+ $stream = fsockopen( ($use_smtp_tls==1?'ssl://':'').$smtpServerAddress, $smtpPort,
$errorNumber, $errorString);
if(!$stream) {
do_err("Error connecting to SMTP server \"$smtpServerAddress:$smtpPort\".".
echo "Checking IMAP service....<br />\n";
/** Can we open a connection? */
-$stream = fsockopen( ($use_imap_tls==1?'tls://':'').$imapServerAddress, $imapPort,
+// NB: Using "ssl://" ensures the highest possible TLS version
+// will be negotiated with the server (whereas "tls://" only
+// uses TLS version 1.0)
+$stream = fsockopen( ($use_imap_tls==1?'ssl://':'').$imapServerAddress, $imapPort,
$errorNumber, $errorString);
if(!$stream) {
do_err("Error connecting to IMAP server \"$imapServerAddress:$imapPort\".".