Right. So where should I begin? Firewall says it passes all traffic.
Next would be Barracuda it doesn't show any drops. I suppose on the server I could look at tcpdump. Thanks! Job On Fri, Jul 10, 2020, 11:26 AM Jay Hennigan via mailop <mailop@mailop.org> wrote: > On 7/10/20 11:06, Job Cacka via mailop wrote: > > "Senders will tend to back off, and retry at increasingly long > > intervals, until they get a successful connection." > > > > Thanks for the test Adam. I do agree with your Analysis. The interesting > > thing is I am not seeing this refusal at my end logged. Perhaps it never > > made it to the maillog and that is how I am missing it. > > It's not going to make it to your mail log. The connection is being > refused at the TCP level. > > -- > Jay Hennigan - j...@west.net > Network Engineering - CCIE #7880 > 503 897-8550 - WB6RDV > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >
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