Yes, I'm pretty sure it's problem with RC - it uses TLSv1.2 for IMAP
connections but not for SMTP.
PHP is rather new (Debian 7):
php --version
PHP 5.4.45-1~dotdeb+7.1 (cli) (built: Sep 5 2015 00:21:03)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2014 Zend Technologies
do you really think roundcube has it's own low-level TLS code?
most likely you run outdated PHP
https://bugs.php.net/bug.php?id=65329
Am 10.11.2016 um 11:02 schrieb Paweł Łukasik:
Hello,
Roundcube always use TLSv1 for sending mail (used on same host as
mailserver with both RSA and ECDSA certs, ports 25 and 587). When I
disable all TLS/SSL versions except TLSv1.2 in Postfix config, I
cannot
send mails from Roundcube (SMTP Error: Authentication failure:
STARTTLS
failed (Code: ) in /var/www/roundcube/program/lib/Roundcube/rcube.php
on
line 1649 (POST
/?_task=mail&_unlock=loading1478615054443&_lang=en&_framed=1&_action=send)
) but can from desktop/mobile client.
Connection from Roundcube to IMAP server is always use TLSv1.2,
external
servers (i.e. GMail) connect with TLSv1.2.
What could cause this behaviour? Is it possible to force TLSv1.2 for
SMTP?
--
Pozdrawiam, Paweł Łukasik
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