Disable mail check on login?

Question

When I login to console, e.g tty1, I usually see a message No mail, I know there's some program checking email on login, but I don't use that, how can I disable that command ?

I tried to grep from /etc/profile.* and ~/.bash*, but nothing found

Answer 1

This message can also be provided by the pam_mail module, so you can just grep pam_mail * in /etc/pam.d and disable it there.

Answer 2

Put unset MAILCHECK in .bashrc.

UPDATE

It seems, the above won't work consistently (although it won't hurt, and to some extent it seems to work). But, check out this section of /etc/pam.d/login - try comment out the last line (or, if it still doesn't work, track this further into the legacy file they mention).

# Prints the status of the user's mailbox upon successful login
# (replaces the MAIL_CHECK_ENAB option from login.defs).
#
# This also defines the MAIL environment variable. However, userdel
# also needs MAIL_DIR and MAIL_FILE variables in /etc/login.defs to
# make sure that removing a user also removes the user's mail spool
# file. See the comments in /etc/login.defs.
session optional pam_mail.so standard