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rated 0 times [  0] [ 0]  / answers: 1 / hits: 385  / 2 Years ago, tue, may 10, 2022, 8:55:43

Running newaliases:


newaliases: fatal: myorigin parameter setting must not contain multiple values: nduduzo-Inspiron-5559 [email protected]

dpkg: error processing package postfix (--configure):

 installed postfix package post-installation script subprocess returned error exit status 75

Setting up python3-pyrsistent:amd64 (0.15.5-1build1) ...

Setting up python3-websocket (0.53.0-2ubuntu1) ...

update-alternatives: using /usr/bin/python3-wsdump to provide /usr/bin/wsdump (wsdump) in auto mode

Setting up python3-dockerpty (0.4.1-2) ...

Setting up python3-importlib-metadata (1.5.0-1) ...

Setting up python3-docker (4.1.0-1) ...

Setting up python3-jsonschema (3.2.0-0ubuntu2) ...

Setting up docker-compose (1.25.0-1) ...

Processing triggers for man-db (2.9.1-1) ...

Processing triggers for libc-bin (2.31-0ubuntu9.2) ...

Errors were encountered while processing:

 postfix

E: Sub-process /usr/bin/dpkg returned an error code (1)

I was trying to setup mail and I did not think that it would cause such an error.


now I want to know how to I clear and fix it.


More From » dpkg
 Answers
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Your postfix installation is corrupted for one or another reason. There seem to be some error is the configuration files (/etc/postfix/main.cf and /etc/init.d/postfix). I'd recommend purging it and reinstalling it. It will re-create all the configuration files.


Run the following command to purge it:


sudo apt update

sudo dpkg -P postfix

Now run a force install:


sudo apt -f install

Now, there will be no errors in installing any package or software.



If you want postfix back, you can reinstall it using:


sudo apt update

sudo apt -f install postfix

If you're getting errors after reinstalling it, you can remove it's post-installation script. It's a well-known issue and removing the post-installation script is the only solution found so far:


sudo apt update

sudo rm /var/lib/dpkg/info/postfix.postinst

sudo apt --fix-broken install

This will fix the error message.


[#812] Tuesday, May 10, 2022, 2 Years  [reply] [flag answer]
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