Connection failure

Hi, very often I recieve a message connection witth gmail failed. Is there maybe something wrong in the settings"? No right smtp number or so/ Thats what i suppose. Can you help me?d

Hello,
please copy the error and the content of the log tab next time this error pops up.
To copy the Log just select all with Ctrl+A, CTRL+C to copy it and CTRL+V to copy it here.