autoview always dump to /tmp/mutt.html

I found that in current version, it always dump to the same file name mutt.html, is this a regression? [-- Autoview using /usr/bin/w3m -dump -T text/html ''/tmp/mutt.html'' --] $ mutt -version Mutt 1.5.19 (2009-01-27) -- regards, GPG key 1024

local sendmail

Apologise if this OT, I use rss2email to download rss and then it automatically calls sendmail to send them as emails to my gmail account so that they can be read with mutt. My pc does not have valid domain name. I wonder if it is possible to teach sendmail to delivery email to local maildir wit