On 19.08.22 10:47, Sam R wrote:
So I am a little divided,
On the one hand I think that port 25 is enough to transmit mails locally,
I guess by "locally" you mean "on the local network".
port 25 is standard for server-server communication, 465/587 are standard
for client-server communication where authentication is required/enforced.
on the other hand I think that an encryption would be better, especially on
the dmz.
I'd say "especially for connections crossing not-secured network".
mails within LAN/DMZ should be safe unencrypted, unless you have reason not
to trust the network or someone on it.
you still can use encryption on port 25 using the STARTTLS mechanizm.
--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
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