Actually when we are testing the openolat for email we are unable to send mail. I am adding the section where I have modified the the olat.local.properties file. The error I am getting is "sorry, your envelope sender domain must exist"
# mail support can be disabled by leaving the following entry blank or
# setting it to the keyword 'disabled' (without quotes!)
# if required by your local SMTP you may need to provide credentials
smtp.pwd=somepassword
# system mails will be sent from this address (from local domain with valid reverse dns):
# set this email to a mail address in your domain (used as reply-to address)
# set this email to a mail address in your domain (used for 'ask for help here' type of messages that do not have special address)
supportemail=${adminemail}
# set this email to a mail address in your domain (used to tell users how to apply for more quote disk space)
quotaemail=${supportemail}
# set this email to a mail address in your domain (used to notify when users are deleted from the system)
deleteuseremail=${supportemail}
# set this email to a mail address in your domain (used for red-screen error reports)
erroremail=${adminemail}