Description of problem:
The bug seems to be this one tracked in Debian repositories: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=793660
Anyway, every time I use sudo, and email is generated using 'sendmail -t':
Subject: *** SECURITY information for hv ***
hv : Apr 30 19:06:44 : hedayat : problem with defaults entries ; TTY=pts/2 ; PWD=/home/hedayat ; USER=root ;
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Use sudo
1. you can see 'sendmail -t' is called, and goes to top of 'iotop' for a few seconds! (apparently, generating error messages or ..?)
2. An email is generated inside ~/.esmtp_queue
Not generating an email
It has to do with the defaults section in the sudoers file.
Defaults env_keep = "COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS"
Defaults env_keep += "MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE"
Defaults env_keep += "LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES"
Defaults env_keep += "LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE"
Defaults env_keep += "LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY"
Defaults secure_path = /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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