Darcs configuration

Example .darcs/defaults

send sendmail-command msmtp -t %<

Msmtp configuration

Example ~/.msmtprc with gmail

from you@gmail.com
user you@gmail.com
password yourpassword
#host smtp.googlemail.com
host smtp.gmail.com
port 587
#port 465 
#port 25
tls on
#tls_starttls off 
auth on 
syslog on
tls_trust_file /some/directory/curl-ca-bundle.crt