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Pix 7.2.0 doesn't have "inspect esmtp" line added. But, authentication when sending a mail from wan doesn't work (mail server is in DMZ). When you try it from LAN - it works without problems.Is it possible that pix block smtp authentication from WAN ...
Thanks for your answer.I found out that ISP provider installed another firewall between WAN and our LAN. This is a kind of additional security for their key users. Guess what, their support told me "inspect esmtp is *on* by default".Some security!!
