SmtpMailer: workaround, STREAM_CRYPTO_METHOD_TLS_CLIENT means TLSv1_0 in PHP < 7.2, TLS_ANY as of PHP 7.2 (#58)

Author: radabo

src/Mail/SmtpMailer.php

@@ -149,7 +149,11 @@ protected function connect(): void
 
 		if ($this->secure === 'tls') {
 			$this->write('STARTTLS', 220);
-			if (!stream_socket_enable_crypto($this->connection, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
+			if (!stream_socket_enable_crypto(
+				$this->connection,
+				true,
+				STREAM_CRYPTO_METHOD_TLS_CLIENT | STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT | STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT
+			)) {
 				throw new SmtpException('Unable to connect via TLS.');
 			}
 			$this->write("EHLO $this->clientHost", 250);