On Mon, 2003-10-27 at 12:57, Jason Dixon wrote: > On Mon, 2003-10-27 at 12:46, Ken Rossman wrote: > > I was wondering if anyone on this list had successfully built and run a > > "cluster" of two or more machines that could hand off the responsibility > > of being the main mail server (sendmail, and possibly qpopper added in > > for certain clients) back and forth as needed. > > Postfix has the ability to run multi-instances in separate machines. We run three instances on one machine but they could easily be split. One instance is send only. The second is receive; Whitelisted gets delivered, and rejects get bounced. Anything that survives goes to instance three which does header and body checks.
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