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I'm unsure as to why this is the case, but when we send out our mass mailer for the day (internal newsletter with more than 150 recipients), it will not hit our external mail server. This happened when I replaced our PIX 506e with our PIX 515e.
Hey, thanks for replying! Email works great, for the most part, which means telneting out to port 25 works too, and name resolution works splendidly as well. It is such an odd problem...it ONLY happens when the distribution list on the email exceeds ...
