Set up outgoing Email alerts for your Linux server quickly and easily through Gmail, plus a bonus systemd monitoring script.
3 Simple Steps to Send Email Alerts From a Linux Server

Home Lab Email Server: Getting around ISP Port Blocks

A simple guide to getting outbound Email up and running in your home lab behind an ISP with outbound Email ports blocked.
Sieve: Configure Vacation Responses with Aliases and Recipient Delimiter

How to get Sieve Automated Vacation Responses to work with regular mailboxes as well as aliased Email addresses, with or without a recipient delimiter, and without bypassing header checks.