Re: [gentoo-user] Re: mail cannot send emails (trying to use it with smartd)

[Caveman Al Toraboran]

On Friday, April 3, 2020 10:42 AM, Caveman Al Toraboran <toraboracaveman@××××××××××.com> wrote:

> nullmailer is now configured, and test with`echo "Subject: ..." | sendmail -v me@×××.com` works. but, smartd's test mail is not working, with this error:
>
> Apr 03 10:15:09 blah smartd[219171]: Test of <mail> to me@×××.com produced unexpected output (65 bytes) to STDOUT/STDERR:
>
>     Apr 03 10:15:09 blah smartd[219171]: mail: cannot send message: Process exited with a non-zero status
>     Apr 03 10:15:09 blah smartd[219171]: Test of <mail> to me@×××.com: failed (32-bit/8-bit exit status: 9216/36)
>
>
> tried to test`mail` in isolation:
>
> echo "test body" | mail -s "test subj" me@×××.com --debug-level=3
> mail: sendmail binary: /usr/sbin/sendmail
> mail: source=system, name=me, passwd=x, uid=1000, gid=1000, gecos=, dir=/home/me, shell=/bin/fish, mailbox=.maildir, quota=0, change_uid=1
> mail: source=system, name=me, passwd=x, uid=1000, gid=1000, gecos=, dir=/home/me, shell=/bin/fish, mailbox=.maildir, quota=0, change_uid=1
> mail: mu_mailer_send_message(): using From: me@localhost
> mail: Sending headers...
> mail: Sending body...
> mail: /usr/sbin/sendmail exited with: 1
> mail: progmailer error: Process exited with a non-zero status
> mail: cannot send message: Process exited with a non-zero status
> mail: source=system, name=me, passwd=x, uid=1000, gid=1000, gecos=, dir=/home/me, shell=/bin/fish, mailbox=.maildir, quota=0, change_uid=1
>
> i've also monitored `watch -n .1 tree /var/spool/nullmailer/` and verified that
> the queue never gets filled with any message when i use the `mail` command
> (which, i think, is what `smartd` uses). but, the queues get filled when i
> used `sendmail` by the command in my 1st paragraph.


extra info:  i've just found that it only fails
when sender address is `@locahost`.  if i manually
execute `mail` with `-aFrom:lol@safsdfsd` it will
work, even tho the `From:...` is total garbage.

but somehow just can't work when
`From:lol@localhost`.  something personal going on
with `mail` and `localhost`.

any idea what's going on?  and what did i do
wrong?  hence what's the most elegant way to fix
this?