[eluser]bardelot[/eluser]
Revision 794 reintroduced some typos in email_lang.php
$lang['email_attachment_unredable'] = "Unable to open this attachment: %s";
..
$lang['email_filed_smtp_login'] = "Failed to send AUTH LOGIN command. Error: %s";
should be
$lang['email_attachment_unreadable'] = "Unable to open this attachment: %s";
..
$lang['email_failed_smtp_login'] = "Failed to send AUTH LOGIN command. Error: %s";