Tim Churches wrote:
However:

a) if something goes wrong with your Internet email delivery then not just  Argus 
messages but all messages will be affected, and as a result, you tend to notice rather 
soon - unlike the common problem of a proprietary secure messaging system falling over 
and no-one at your practice noticing for several days until someone asks "Why 
haven't we had any results from Mike Roscope's Pathology Service Pty Ltd since last 
week?"

b) typically not just your email delivery, but also the email delivery of all 
or many of your ISP's thousands or tens of thousands of other (irate) clients 
will be affected by any outage, and as a result ISPs tend to devote a lot of 
effort to fixing such problems as soon as they can.

c) All the proprietary secure messaging providers such as Healthlink rely on your ISP's 
computing infrastructure to provide tyour Internet access anyway. Thus the "sole 
point of contact" argument is a furphy -  more often than not, it will be a problem 
with your practice's Internet connection, and nothing that any of the proprietary secure 
messaging providers offer helps to reduce the likelihood of such problems or to speed 
their resolution.



Also, the email 'network' (ie most mail-server providers etc) has some quite effective roll-back and resend capabilities that have become quite sophisticated. If the HL7 acknowledgement process and message identification overlaying infrastructure of the emailing client is good, then any duplication of sending that results will be sorted out. The 'system' is quite robust.

Ross Davey
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