~Vanessa ZekponebergDec 1, 2015, 2:16 PM8 PostsYes, but only to the configured relay hostSee https://www-01.ibm.com/support/knowledgecenter/SSKTMJ_8.5.3/com.ibm.help.domino.admin85.doc/H_ENABLING_SMTP_OUTBOUND_AUTHENTICATION_TO_RELAY_HOSTS_OVER.html and https://www-01.ibm.com/support/knowledgecenter/SSKTMJ_8.0.1/com.ibm.help.domino.admin.doc/DOC/H_ROUTER_SMTP_BASICS_TAB_OVER.html So you might have to first relay to an internal server for that particular domain using a foreign smtp domain document, and then have that internal server be configured with a relay host and auth settings as described