I tried configuring Gnus/Emacs to send/receive mails through Gmail using IMAP/SMTP protocol on my Ubuntu-Gutsy Linux Box. Emacs Version: 22.1.1 Gnus Version: 5.11 I performed the following steps: I had to install sendmail and starttls programs using apt-get first and start sendmail service. Enable IMAP support for your Gmail account online as described here : http://mail.google.com/support/bin/ans