php curl read, send email via pop3, imap, smtp

curl.php

<?php

// list email
var_dump($resps = curl_multi([
  [
    'url' => 'imaps://mail.xxx:993/INBOX',
    'no_verify' => true,
    'opts' => [
      CURLOPT_CUSTOMREQUEST => 'examine inbox',
      CURLOPT_USERPWD => 'xxx@xxx:xxx',
      // CURLOPT_PASSWORD => '',
      // CURLOPT_USERNAME => '',
      // CURLOPT_VERBOSE => true,
      // CURLOPT_STDERR => fopen('php://stderr', 'a+'),
    ]
  ],
], [
  CURLMOPT_MAX_TOTAL_CONNECTIONS => 3,
  CURLMOPT_MAX_HOST_CONNECTIONS => 3,
  CURLMOPT_PIPELINING => CURLPIPE_MULTIPLEX,
]));

var_dump($resps = curl_multi([
  [
    'url' => 'imaps://mail.xxx:993/INBOX',
    'no_verify' => true,
    'opts' => [
      CURLOPT_CUSTOMREQUEST => 'fetch 1:* (UID FLAGS)',
      CURLOPT_USERPWD => 'xxx@xxx:xxx',
      // CURLOPT_PASSWORD => '',
      // CURLOPT_USERNAME => '',
      // CURLOPT_VERBOSE => true,
      // CURLOPT_STDERR => fopen('php://stderr', 'a+'),
    ]
  ],
], [
  CURLMOPT_MAX_TOTAL_CONNECTIONS => 3,
  CURLMOPT_MAX_HOST_CONNECTIONS => 3,
  CURLMOPT_PIPELINING => CURLPIPE_MULTIPLEX,
]));

// read email
var_dump($resps = curl_multi([
  [
    'url' => 'imaps://mail.xxx:993/INBOX;UID=1139',
    'no_verify' => true,
    'opts' => [
      CURLOPT_USERPWD => 'xxx@xxx:xxx',
      // CURLOPT_PASSWORD => '',
      // CURLOPT_USERNAME => '',
      // CURLOPT_VERBOSE => true,
      // CURLOPT_STDERR => fopen('php://stderr', 'a+'),
    ]
  ],
], [
  CURLMOPT_MAX_TOTAL_CONNECTIONS => 3,
  CURLMOPT_MAX_HOST_CONNECTIONS => 3,
  CURLMOPT_PIPELINING => CURLPIPE_MULTIPLEX,
]));

// imap folder

// list email in folder
var_dump($resps = curl_multi([
  [
    'url' => 'imaps://mail.xxx.xxx:993/INBOX/'.rawurlencode(mb_convert_encoding($folder, "UTF7-IMAP", "UTF-8")),
    'no_verify' => true,
    'opts' => [
      // CURLOPT_CUSTOMREQUEST => 'examine "inbox/'.mb_convert_encoding($folder, "UTF7-IMAP", "UTF-8").'"',
      CURLOPT_CUSTOMREQUEST => 'fetch 1:* (UID FLAGS)',
      CURLOPT_PASSWORD => PASSWD,
      CURLOPT_USERNAME => USER,
      CURLOPT_VERBOSE => true,
      CURLOPT_STDERR => fopen('php://stderr', 'a+'),
    ]
  ],
], [
  CURLMOPT_MAX_TOTAL_CONNECTIONS => 3,
  CURLMOPT_MAX_HOST_CONNECTIONS => 3,
  CURLMOPT_PIPELINING => CURLPIPE_MULTIPLEX,
]));

// read email in folder
var_dump($resps = curl_multi([
  [
    'url' => 'imaps://mail.xxx.xxx:993/INBOX/'.rawurlencode(mb_convert_encoding($folder, "UTF7-IMAP", "UTF-8")).';UID=59414',
    'no_verify' => true,
    'opts' => [
      // CURLOPT_CUSTOMREQUEST => 'examine inbox',
      CURLOPT_PASSWORD => PASSWD,
      CURLOPT_USERNAME => USER,
      CURLOPT_VERBOSE => true,
      CURLOPT_STDERR => fopen('php://stderr', 'a+'),
    ]
  ],
], [
  CURLMOPT_MAX_TOTAL_CONNECTIONS => 3,
  CURLMOPT_MAX_HOST_CONNECTIONS => 3,
  CURLMOPT_PIPELINING => CURLPIPE_MULTIPLEX,
]));


// list email
var_dump($resps = curl_multi([
  [
    'url' => 'pop3s://mail.xxx:995/',
    'no_verify' => true,
    'opts' => [
      CURLOPT_USERPWD => 'xxx@xxx:xxx',
      // CURLOPT_PASSWORD => '',
      // CURLOPT_USERNAME => '',
      // CURLOPT_VERBOSE => true,
      // CURLOPT_STDERR => fopen('php://stderr', 'a+'),
    ]
  ],
], [
  CURLMOPT_MAX_TOTAL_CONNECTIONS => 3,
  CURLMOPT_MAX_HOST_CONNECTIONS => 3,
  CURLMOPT_PIPELINING => CURLPIPE_MULTIPLEX,
]));

var_dump($resps = curl_multi([
  [
    'url' => 'pop3s://mail.xxx:995/',
    'no_verify' => true,
    'opts' => [
      CURLOPT_USERNAME => 'xxx',
      CURLOPT_PASSWORD => 'xxx',
      CURLOPT_CUSTOMREQUEST => 'UIDL'
      // CURLOPT_VERBOSE => true,
      // CURLOPT_STDERR => fopen('php://stderr', 'a+'),
    ]
  ],
], [
  CURLMOPT_MAX_TOTAL_CONNECTIONS => 3,
  CURLMOPT_MAX_HOST_CONNECTIONS => 3,
  CURLMOPT_PIPELINING => CURLPIPE_MULTIPLEX,
]));

// read email
var_dump($resps = curl_multi([
  [
    'url' => 'pop3s://mail.xxx:995/582',
    'no_verify' => true,
    'opts' => [
      CURLOPT_USERPWD => 'xxx@xxx:xxx',
      // CURLOPT_PASSWORD => '',
      // CURLOPT_USERNAME => '',
      // CURLOPT_VERBOSE => true,
      // CURLOPT_STDERR => fopen('php://stderr', 'a+'),
    ]
  ],
], [
  CURLMOPT_MAX_TOTAL_CONNECTIONS => 3,
  CURLMOPT_MAX_HOST_CONNECTIONS => 3,
  CURLMOPT_PIPELINING => CURLPIPE_MULTIPLEX,
]));

// send email
$sent_content = false;
var_dump($resps = curl_multi([
  [
    'url' => 'smtp://mail.xxx.xxx:587/mail.xxx.xxx',
    'no_verify' => true,
    'opts' => [
      CURLOPT_USERNAME => 'xxx',
      CURLOPT_PASSWORD => 'xxx',
      CURLOPT_MAIL_FROM  => '[email protected]',
      CURLOPT_MAIL_RCPT  => ['[email protected]'],
      CURLOPT_USE_SSL  => CURLUSESSL_ALL,
      // CURLOPT_INFILE => STDIN,
      CURLOPT_UPLOAD => true,
      CURLOPT_READFUNCTION => function ($ch, $fh, $length = false) use (&$sent_content) {
        if ($sent_content) return '';
        $sent_content = true;
        return "From: Vinh Duong <[email protected]>\r\nTo: [email protected]\r\nSubject: an example.com example email\r\nDate: Mon, 7 Nov 2016 08:45:16\r\n\r\nDear Joe,\r\nWelcome to this example email. What a lovely day.";
      },
      // CURLOPT_VERBOSE => true,
      // CURLOPT_STDERR => fopen('php://stderr', 'a+'),
    ]
  ],
], [
  CURLMOPT_MAX_TOTAL_CONNECTIONS => 3,
  CURLMOPT_MAX_HOST_CONNECTIONS => 3,
  CURLMOPT_PIPELINING => CURLPIPE_MULTIPLEX,
]));

// Append to sent folder imap (not actually sending an email)
$sent_content = false;
$content = "From: Vinh Duong <xxx@xxx>\r\nTo: xxx@xxx\r\nSubject: XXXan example.com example email\r\nDate: Mon, 7 Nov 2016 08:45:16\r\n\r\nDear Joe,\r\nWelcome to this example email. What a lovely day.";
var_dump($resps = curl_multi([
  [
    'url' => 'imaps://mail.xxx:993/Sent',
    'no_verify' => true,
    'opts' => [
      CURLOPT_USERNAME => 'xxx@xxx',
      CURLOPT_PASSWORD => 'xxx',
      CURLOPT_MAIL_FROM  => 'xxx@xxx',
      CURLOPT_MAIL_RCPT  => ['xxx@xxx'],
      // CURLOPT_INFILE => STDIN,
      CURLOPT_UPLOAD => true,
      CURLOPT_INFILESIZE => strlen($content),
      CURLOPT_READFUNCTION => function ($ch, $fh, $length = false) use (&$sent_content, $content) {
        if ($sent_content) return '';
        $sent_content = true;
        return $content;
      },
      CURLOPT_VERBOSE => true,
      CURLOPT_STDERR => fopen('php://stderr', 'a+'),
    ]
  ],
], [
  CURLMOPT_MAX_TOTAL_CONNECTIONS => 3,
  CURLMOPT_MAX_HOST_CONNECTIONS => 3,
  CURLMOPT_PIPELINING => CURLPIPE_MULTIPLEX,
]));

curl -v imaps://mail.domain.tld:993/INBOX -u '[email protected]:passwd' -X 'examine inbox'

curl -v imaps://mail.domain.tld:993/INBOX -u '[email protected]:passwd' -X 'fetch 1:* (UID FLAGS)'

curl "smtp://mail.domain.tld:587" -v --mail-from "[email protected]" --mail-rcpt "[email protected]" --ssl -u "[email protected]:xxx" -k --anyauth