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Avoiding Mail Blocking Firewalls

Due to recent issues with virii and the like, the IT staff at work has disallowed external pop and smtp. Well, that just sucks for me who has all personal e-mail sent off-site for a reason. So, I figured subversion was necessary. SSH forwarding is a beautiful thing. If you have a server you can ssh to and see the pop or smtp server you are looking for, you can run this script to port forward your connections locally to the desired servers after adjusting the variables at the top. Then, all you need to do is add an entry for your mail server in /etc/hosts that points to Done!

# Set up Variables
# Mail Server
# SSH Server / User
# IMAP Port
# 143 - Standard IMAP | 993 - SSL IMAP
# POP Port
# 110 - Standard Pop | 995 - SSL POP
# SMTP Port
# 25 - Standard SMTP | 465 - SSL SMTP
# SSH Commands
ssh -fL ${SMTPPORT}:${MAILSERVER}:${SMTPPORT} ${SSHUSER}@${SSHSERVER} tail -f /dev/null
ssh -fL ${IMAPPORT}:${MAILSERVER}:${IMAPPORT} ${SSHUSER}@${SSHSERVER} tail -f /dev/null
ssh -fL ${POPPORT}:${MAILSERVER}:${POPPORT} ${SSHUSER}@${SSHSERVER} tail -f /dev/null

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Kevin Free

Slashdot is running an interview with Kevin Mitnick based on questions from their readers. Overall, a good selection of questions and wonderful answers from Kevin. I thought his answers were all well thought out and written well. I find his loathing of John Markoff both very apparent and amusing. I feel he has a very good outlook on things considering what he went through. I hope he does well with his consulting and proves to people that what he did was nowhere near as bad as it was made out to be.


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