Typo in my last merge

Update emailwiz.sh

New line in the final output, looks way better!

use domain instead of @

Reset umask to 0022 at beginning of install

Fix: #178 leakage of public IP addresses in sent emails

Prevented escape shell

Some strings will escape and break the script, inserted fixes like single quotes ( ' ' ).

Update README.md

Replaced 933 for 993, the correct port for IMAP.

Fix: Opendkim won't start: can't open PID file?

Fix typo in LICENSE filename

Update emailwiz.sh

Make gmail's less angry

Update emailwiz.sh

Ubuntu can't run multiple lines without a special character, thus making the script malfunction, putting the commands on the same line solves the problem and the script can be used on Ubuntu 20.04