Hello, Thank you for your reply. Unfortunately even with the IMAP server in SSL, it is impossible to send the message. The error message is always the same. Message (translated into English): "Error while creating message" I do not think this is a connection problem, because if I change the port or I do not use an encryption protocol, the message will be different and tell me that it can not establish the connection. That is my assumption. Thank you for your time. ... View more