$ sendmail -h
-b string
Mail body text
-c string
Config file location (default "/etc/sendmail.json")
-d Debug mode
-f string
Mail From email address
-h Display help
-now
Send message now, message will not be added to Queue
-run
Process Queue
-s string
Mail subject line
-t string
Mail To email address
Sending mail with sendmail over smtp
$ go get github.com/gotamer/mail/cmd/sendmail
# mkdir /var/spool/queue
# chown mail:mail /var/spool/queue
# cd /usr/local/bin
# ln -s $GOBIN/sendmail
$ sudo runuser -u mail -- sendmail -t user@example.com -s "My subject" -b "Body of mail"
$ sudo runuser -u mail -- sendmail -run
gotamer/mail/send also implements the io.Writer interface.
gotamer/mail/imap to get mail from an imap server