Mailer

Small library to send emails via Gmail SMTP server.

1. Create your secure Google App Password.

2. Configure your SMTP credentials via environment variable:

export MAILER_USERNAME=.........
export MAILER_PASSWORD=.........

3. Run example using go run

go run main.go -from "USER@gmail.com" -to "USER@gmail.com" \
    -subject "test mailer" \
    -body "hello from command line"

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Makefile targets:

• build - Builds binary to file path "bin/mailer"
• run_tests - Run Golang tests.
• test_coverage - Run Golang test converage.
• show_coverage - Run and displays html test coverage.
• cleanup - Removes temporary files.