Postfix unablet o bind to port 10027 since dist-upgrade

Hello, I just did a apt-get update, dist upgrade and update to fix a kernal vun.

On reboot my server refuses to bind on port 10027 for postfix, but nothing is using that port?

Oct 21 11:58:11 web postfix/master[2770]: fatal: bind 127.0.0.1 port 10027: Address already in use

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root@web:/var/run# netstat -tulpn | grep 10027
root@web:/var/run# netstat -tulpn | grep :10027

I can't see any kernal messages using this port.

What else can be using this port, has anyone else experienced this?

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root@web:/var/run# sudo netstat -tanl | grep 10027
root@web:/var/run# netstat -nlp | grep 10027
root@web:/var/run# lsof -i -n -P | grep 10027


Edit: My title is typo galore, but I can't edit it

 

This was caused by two listen blocks in my master.cf file.

Please close.