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mailer.go
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mailer.go
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// A simple website in Go.
// Copyright (c) 2020. Tamás Demeter-Haludka
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package mailer
import "net/smtp"
// Mailer lets the application send emails.
type Mailer interface {
From() string
Send(to []string, msg []byte) error
}
// SMTP is the default implementation of Mailer.
type SMTP struct {
from string
addr string
auth smtp.Auth
}
func NewSMTP(from, addr string, auth smtp.Auth) *SMTP {
return &SMTP{
from: from,
addr: addr,
auth: auth,
}
}
func (m *SMTP) From() string {
return m.from
}
func (m *SMTP) Send(to []string, msg []byte) error {
return smtp.SendMail(m.addr, m.auth, m.From(), to, msg)
}