sendmail: Not running with correct effective GID. Is sendmail binary setgid mailtrap?
=================================== sendmail: Not running with correct effective GID. Is sendmail binary setgid mailtrap? [Error above error message shows in login SSH screen directly or you are getting this message] just change the send mail permission using below command: — chmod 2755 /usr/sbin/sendmail — That’s it..:) ===================================