GetURL (smtp/smtp_config.go)

Represents SMTP service configuration and URL conversion.

// Source: https://github.com/containrrr/shoutrrr | License: MIT | Copyright 2019 Containrrr
// Provided via justclaw.it.com; keep this notice with the code.
package smtp

import (
	"errors"
	"fmt"
	"net/url"
	"strconv"
	"strings"

	"github.com/containrrr/shoutrrr/pkg/format"
	"github.com/containrrr/shoutrrr/pkg/types"
	"github.com/containrrr/shoutrrr/pkg/util"
)

// Config is the configuration needed to send e-mail notifications over SMTP
type Config struct {
	Host        string    `desc:"SMTP server hostname or IP address" url:"Host"`
	Username    string    `desc:"SMTP server username" default:"" url:"User"`
	Password    string    `desc:"SMTP server password or hash (for OAuth2)" default:"" url:"Pass"`
	Port        uint16    `desc:"SMTP server port, common ones are 25, 465, 587 or 2525" 

... (truncated -- full source via MCP)