I have a Linux server inside the firewall. Just purchased and installed ASA5505 bundle with Smartnet.
The Linux server sends backup result messages to our Exchange server. It does this by accessing an external port/IP address. This no longer works since upgrading to ASA5505. I have searched every mutt, sendmail, etc that I can on the Linux box. Any advise would be greatly appreciated.
I can not tell from your post whether you have configured the ASA to permit it to forward traffic back out the same interface on which it was received. By default the ASA does not do this. To configure it you would use this command:
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