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Wednesday, June 28, 2017

How to change the sender mail id in RHEL 7

Changing sender mail id in "mailx" command before RHEL 7

echo " Running out of space $mountpoint on `date` " | mail -s "Critical Alert: Almost out of disk space $mountpoint" recipient@abc.com -- -f sender@abc.com

Now I receive the alert mail from the mail id "sender@abc.com"

But in RHEL 7 -f is not usable. So to change the sender mail id in RHEL 7 follow the below steps

1. Create a file $HOME/.mailrc and make the below entries in the file

set from = "sender@abc.com"

2. Now use the mailx command like below in RHEL 7

echo " Running out of space $mountpoint on `date` " | mail -s "Critical Alert: Almost out of disk space $mountpoint" recipient@abc.com


3. Now the sender mail id is changed.

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