I've been using Postimage to host my online pics for years.
When I first joined all the images were hosted at "postimage.org", but then somebody reported that domain as dodgy/dangerous/malicious/whatever, even though it was likely just a single user that uploaded something dodgy, but the rest of the user base paid the price and all embedded images got blacklisted.
So instead of trying to get the ban lifted, Postimage just registered another domain name, "postimage.cc", and transferred all hosted content over to the new domain. Unfortunately that meant that every single embedded image in any forum anywhere now had the wrong URL (ending in .org), so all embedded images got broken. Some forums I'm a member of wrote a script to automatically convert the URL from .org to .cc and the pictures reappeared (I can't remember if Austech was one of them).
I can only echo the sentiments above, I really doubt that the problem lies with Postimage themselves, and I REALLY hope history hasn't repeated because it was a huge PITA last time.
Andrew
P.S. I'll embed an image hosted by Postimage below if it helps your testing...
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