go-mail/client_120.go

102 lines
2.8 KiB
Go

// SPDX-FileCopyrightText: 2022-2023 The go-mail Authors
//
// SPDX-License-Identifier: MIT
//go:build go1.20
// +build go1.20
package mail
import (
"errors"
)
// Send sends out the mail message
func (c *Client) Send(ml ...*Msg) (rerr error) {
if err := c.checkConn(); err != nil {
rerr = &SendError{Reason: ErrConnCheck, errlist: []error{err}, isTemp: isTempError(err)}
return
}
for _, m := range ml {
m.sendError = nil
if m.encoding == NoEncoding {
if ok, _ := c.sc.Extension("8BITMIME"); !ok {
m.sendError = &SendError{Reason: ErrNoUnencoded, isTemp: false}
rerr = errors.Join(rerr, m.sendError)
continue
}
}
f, err := m.GetSender(false)
if err != nil {
m.sendError = &SendError{Reason: ErrGetSender, errlist: []error{err}, isTemp: isTempError(err)}
rerr = errors.Join(rerr, m.sendError)
continue
}
rl, err := m.GetRecipients()
if err != nil {
m.sendError = &SendError{Reason: ErrGetRcpts, errlist: []error{err}, isTemp: isTempError(err)}
rerr = errors.Join(rerr, m.sendError)
continue
}
if err := c.mail(f); err != nil {
m.sendError = &SendError{Reason: ErrSMTPMailFrom, errlist: []error{err}, isTemp: isTempError(err)}
rerr = errors.Join(rerr, m.sendError)
if reserr := c.sc.Reset(); reserr != nil {
rerr = errors.Join(rerr, reserr)
}
continue
}
failed := false
rse := &SendError{}
rse.errlist = make([]error, 0)
rse.rcpt = make([]string, 0)
for _, r := range rl {
if err := c.rcpt(r); err != nil {
rse.Reason = ErrSMTPRcptTo
rse.errlist = append(rse.errlist, err)
rse.rcpt = append(rse.rcpt, r)
rse.isTemp = isTempError(err)
failed = true
}
}
if failed {
if reserr := c.sc.Reset(); reserr != nil {
rerr = errors.Join(rerr, reserr)
}
m.sendError = rse
rerr = errors.Join(rerr, m.sendError)
continue
}
w, err := c.sc.Data()
if err != nil {
m.sendError = &SendError{Reason: ErrSMTPData, errlist: []error{err}, isTemp: isTempError(err)}
rerr = errors.Join(rerr, m.sendError)
continue
}
_, err = m.WriteTo(w)
if err != nil {
m.sendError = &SendError{Reason: ErrWriteContent, errlist: []error{err}, isTemp: isTempError(err)}
rerr = errors.Join(rerr, m.sendError)
continue
}
if err := w.Close(); err != nil {
m.sendError = &SendError{Reason: ErrSMTPDataClose, errlist: []error{err}, isTemp: isTempError(err)}
rerr = errors.Join(rerr, m.sendError)
continue
}
if err := c.Reset(); err != nil {
m.sendError = &SendError{Reason: ErrSMTPReset, errlist: []error{err}, isTemp: isTempError(err)}
rerr = errors.Join(rerr, m.sendError)
continue
}
if err := c.checkConn(); err != nil {
m.sendError = &SendError{Reason: ErrConnCheck, errlist: []error{err}, isTemp: isTempError(err)}
rerr = errors.Join(rerr, m.sendError)
}
}
return
}