Cleaned up and merge other Linux snippit repo

Meged https://git.bprieshof.nl/brammp/linux into ./Linux

Linux/Proxmox/Proxmox-SMTPMail.sh

@@ -0,0 +1,34 @@
+#Proxmox Use SMTP to send mail
+#Vars
+MailFromName=$(hostname)
+MailFormAddress=noreply@domain.com
+MailFromServer=mail.provider.com
+MailFromServerPort=465
+MailFromPasswd=<MailBoxPassword>
+MailTo=administrator@domain.com
+
+#install dependencies
+apt install libsasl2-modules -y
+
+#Generating Configs
+echo "[$MailFromServer]:$MailFromServerPort    $MailFormAddress:$MailFromPasswd" > /etc/postfix/sasl_passwd
+echo "/.+/    $MailFromName<$MailFormAddress>" > /etc/postfix/sender_canonical_maps
+echo "/From:.*/ REPLACE From: $MailFromName<$MailFormAddress>" > /etc/postfix/header_check
+sed -i '/relayhost/c\' /etc/postfix/main.cf
+cat << EOF >> /etc/postfix/main.cf
+#Custom PostfixSMTP config
+relayhost = [$MailFromServer]:$MailFromServerPort
+smtp_tls_wrappermode = yes
+smtp_tls_security_level = encrypt
+smtp_use_tls = yes
+smtp_sasl_auth_enable = yes
+smtp_sasl_security_options =
+smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
+smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
+sender_canonical_classes = envelope_sender, header_sender
+sender_canonical_maps =  regexp:/etc/postfix/sender_canonical_maps
+smtp_header_checks = regexp:/etc/postfix/header_check
+EOF
+
+postmap /etc/postfix/sasl_passwd
+systemctl restart postfix