We’ve been having a few issues at work with external contacts sending large email attachments to internal users. The problem is that any over 10MB seem to be rejected, although the particular users that are having the trouble have had their limits upped to 20. Looking into the problem, there appears to be a bug in Exchange 2000/2003 that means that in the Global settings if you set different Send and Recieve limits, the most restrictive takes precedence. Bit of a bugger that if you ask me.

Anyway, I don’t think this is the problem, as you can also set the limit on the Exchange connector, which is set to 10MB, which I believe would limit any mail that goes through the connector. But I have yet to test it out. Stay tuned!