upgraded ubuntu to 18.04
```
ran.psg.com:/home/randy> uname -a
Linux ran.psg.com 4.15.0-33-generic #36-Ubuntu SMP Wed Aug 15 16:00:05 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux
```
/usr/bin/mail` no longer works. this is becoming painful.
```
ran.psg.com:/home/randy> /usr/bin/mail -s foux randy <
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: mailutils (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1698794
Title:
