Is it possible to email encrypt directly through the UTM 9 instead of having the mail redirected from the internet back to the utm?

Question

I have a xg105 setup and doing encryption via the outlook plug in, works great. Now I have a sg210 and want to do an inline encryption (client includes keywords in body ie social security number etc.) where the client hits send and as long as the traffic flows through the UTM the encryption happens. Support thinks I need to redirect the outside web hosts email back into the utm to do the encryption.. 
 The client uses an online web/email host imap. No hosted email. There is NO mail server on premises, let alone an exchange server. 
 
 I would be happy with an outlook plug in as a last resort if the inline triggering doesn't work. 
 
 The xg105 doesn't need this round robin it just works out of the box, can't the SG210 at least work the same way?

DouglasFoster · Answer

This is certainly an unintended use of the encryption system. 
 The encryption logic is part of the SMTP gateway, so it might work if all of the above apply: 
 
 Outlook clients use IMAP or POP, so they are connecting to the mail server using SMTP for outbound mail. 
 SMTP gateway is in transparent mode, so clients do not need to be reconfigured. 
 SMTP gateway is configured for filtering mail for the sender mail domain. 
 
 Most mail systems offer a webmail interface. Since the mail system is external, it will bypass UTM and therefore bypass any automatic encryption configured on UTM. 
 Test it at a non-critical part of their day. We will be curious to hear if it works.