best options for a *WORKING* MTA

Charles Swiger cswiger at
Mon Jun 1 19:42:44 UTC 2015

On Jun 1, 2015, at 12:39 PM, Aryeh Friedman <aryeh.friedman at> wrote:
> from any other machine:
> telnet mailserver 25
> connection refused

Absent other information, I'd imagine your ISP is filtering port 25.
Run "tcpdump port 25" on mailserver and retry the remote telnet to confirm.


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