Setting up sendmail

according to the man pages sendmail does not let you send mails outside your domain unless you allow it to.

useraccount> svccfg -s svc:/network/smtp:sendmail setprop config/local_only = false
useraccount> svcadm refresh svc:/network/smtp:sendmail
useraccount> svcadm restart svc:/network/smtp:sendmail

testit

useraccount> sendmail someone@domain.com