PIX wont let pop3 with attacments through

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Hi guys,

I cannot get pop mail with attachments through a pix, it will allow
pop without atachment though.


Any ideas would be appreciated:


Problem- POP3 email with attachments.


Was getting the following when I was sending POP3 mail with
attachments through the PIX:


Getting the following output with the 'sh conn detail' command when
the client is trying the retrieve emails.


show conn


7 in use, 23 most used
Flags: A - awaiting inside ACK to SYN, a - awaiting outside ACK to
SYN,
   B - initial SYN from outside, C - CTIQBE media, D - DNS, d - dump,
   E - outside back connection, F - outside FIN, f - inside FIN,
   G - group, g - MGCP, H - H.323, h - H.225.0, I - inbound data,
   i - incomplete, J - GTP, j - GTP data, K - GTP t3-response
   k - Skinny media, M - SMTP data, m - SIP media, O - outbound data,
   P - inside back connection, q - SQL*Net data, R - outside
acknowledged FIN,
   R - UDP SUNRPC, r - inside acknowledged FIN, S - awaiting inside
SYN,
   s - awaiting outside SYN, T - SIP, t - SIP transient, U - up


TCP outside:( ip address removed )/135 inside:192.168.0.1/4272 flags
saA


Public interface- Zyxel Router


Private interface- HP Pro curve switch


Thanks for any guidance


andrew



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