Hi, I have a problem regarding the securing of an exchange 5.5 SP4 box. I wanted to secure it like described in http://www.exchangeadmin.com/Articles/Index.cfm?ArticleID=7696 an made changes according to my needs. The box is in the following scenario: Gateway accepting only target domains --> the exchange problem box --> 3 connected distant exchange boxes (connected to the other box via IMC) Now the problem is, that with relay restrictions on the middle box, the 3 distant ones cannot receive mail anymore but sending is ok. On my gateway I get the 550 relaying prohibited msg regardless whether I allow the gw's external or internal IP to relay. Are there any ideas on how I have to set up the relaying restrictions on the middle box? Thx Steffen
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