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-rw-r--r--program/lib/Net/SMTP.php3
1 files changed, 2 insertions, 1 deletions
diff --git a/program/lib/Net/SMTP.php b/program/lib/Net/SMTP.php
index 02575955b..2c1ef5c55 100644
--- a/program/lib/Net/SMTP.php
+++ b/program/lib/Net/SMTP.php
@@ -595,7 +595,8 @@ class Net_SMTP
* extension, are connected to an SMTP server which supports the
* STARTTLS extension, and aren't already connected over a secure
* (SSL) socket connection. */
- if ($tls && extension_loaded('openssl') && isset($this->_esmtp['STARTTLS']) &&
+ if ($tls && version_compare(PHP_VERSION, '5.1.0', '>=') &&
+ extension_loaded('openssl') && isset($this->_esmtp['STARTTLS']) &&
strncasecmp($this->host, 'ssl://', 6) !== 0) {
/* Start the TLS connection attempt. */
if (PEAR::isError($result = $this->_put('STARTTLS'))) {