We have a problem. since migrating sbs2003 and exchange 2003 to server2008 and exchange 2010, we now expierance corrupted pdf files when we email them. The files are ok until they are emailed. this is happening both to internal emails and incomming emails when there is a pdf as a attachment. we are running a sonicwall tz210 firewall. we think it is happening between the firewall and exchange. Any ideas?
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