ssmtp: Use secure connection (port 25 is sometimes filtered)

ssmtp.conf

@@ -13,7 +13,7 @@ root=postmaster
 # no MX records are consulted. Commonly mailhosts are named mail.domain.com
 # The example will fit if you are in domain.com and your mailhub is so named.
 #mailhub=mail
-mailhub=djehouty.pomail.fr
+mailhub=djehouty.pomail.fr:465
 
 # Example for SMTP port number 2525
 # mailhub=mail.your.domain:2525
@@ -38,7 +38,7 @@ mailhub=djehouty.pomail.fr
 #FromLineOverride=YES
 
 # Use SSL/TLS to send secure messages to server.
-#UseTLS=YES
+UseTLS=YES
 
 # Use SSL/TLS certificate to authenticate against smtp host.
 #UseTLSCert=YES