[imp] [Q] attachment problem

[Mac Table]

Hello All,

I am using Horde Version v2.1 (final) and IMP v3.1
Final with Postfix under Debian.  When my users
compose message with *.jpeg attachemnt, around 1 out
of 10 cannot receive our message...  I do not have any
idea where to trace the problem... Please advise me
some direction to trace where gone wrong...

Thanks very much !

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