-

volumes/root/uniba.de/share/overlay/etc/ssmtp/revaliases

+# sSMTP aliases
+# 
+# Format:	local_account:outgoing_address:mailhub
+#
+# Example: root:your_login@your.domain:mailhub.your.domain[:port]
+# where [:port] is an optional port number that defaults to 25.

volumes/root/uniba.de/share/overlay/etc/ssmtp/ssmtp.conf

+#
+# Config file for sSMTP sendmail
+#
+# The person who gets all mail for userids < 1000
+# Make this empty to disable rewriting.
+root=postmaster
+
+# The place where the mail goes. The actual machine name is required no 
+# MX records are consulted. Commonly mailhosts are named mail.domain.com
+mailhub=smtprelaypool.ispgateway.de:465
+
+# Where will the mail seem to come from?
+#rewriteDomain=
+
+# The full hostname
+hostname=XXX
+
+# Are users allowed to set their own From: address?
+# YES - Allow the user to specify their own From: address
+# NO - Use the system generated From: address
+FromLineOverride=YES
+
+UseTLS=YES
+
+AuthUser=XXXXX
+AuthPass=XXX