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PostFix Re-Engineer from RHEL 5 to 7

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Tim Young

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May 17, 2018, 11:58:38 AM5/17/18
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We are trying to re-engineer a RHEL 7 solution for relaying mail to MS Exchange to internal and external networks. So, currently we have four RHEL 5 boxes relaying using postfix with one of these hosts being the primary relay host. From the primary there is an "ext"(DMZ) box that is used to relay mail to the 2 external networks.

We are trying to simplify the solution by using two RHEL 7 VM's to send to these internal and external networks. Is there a way to do this without using the "ext"(DMZ) boxes, or any solid ideas would be greatly appreciated.
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