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votes
3answers
33k views

How to check whether port 25 is open or blocked?

I'm trying to determine if port 25 is available on a server. I tried using nc and telnet to connect, but each of those failed to connect. Is there any other test I can do to find out if there is ...
1
vote
0answers
238 views

ssh log sent to email in Cygwin

I am using Cygwin in Windows 7. I am trying to make my syslog-ng daemon send a ssh log via email to me when ever someone tries to log into my computer. I tried using the code below (entered into /etc/...
1
vote
4answers
15k views

What is the equivalent of telnet localhost 25 with ssh?

What is the equivalent of telnet localhost 25 using SSH ? Clarification : I would like to have an SMTP connection with a server using SSH, just like it can be done with a command like telnet ...
3
votes
4answers
2k views

ssh public keys instead of SASL for authenticated SMTP sending?

I'm currently using postfix and SASL on my personal server for authenticated SMTP. The server is purely for my personal use and my personal domains, so I'd much rather have something simpler based on ...