We started having problems with emails getting blocked by one of our=20
vendor's mail servers:

<john@ourvendor.com>:
123.65.145.12 failed after I sent the message.
Remote host said: 551 Message contains ZIP file that is too deep (4) (Mode:=
=20
normal)

The president of their IT company said this:

"Even though the manufacturer allows it, I would not put a zip archive=20
inside other zip archives as a standard practice. The path to the archived=
=20
file can be too long, thus the message that the "zip file is too deep".

Just to let you know, it is also a standard virus ploy (hiding infected=20
files or malware inside a clean archive) that is no longer allowed by many=
=20
RFC-compliant mail servers. "

I did a search out of curiosity, but could not find the RFC in question. Is=
=20
he full of it?

Vitaliy=20

--=20
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