mac邮件客户端无法使用pop3协议报错，解决pop拉取邮件失败的方法

Author：孤鸿
发布时间：May 13, 2016
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208 words
Categories： windows

> 此方法初始目的来源于公司邮箱数据库里面有损坏的邮件，导致MAC版本客户端无法使用POP3协议拉取邮件。</span>

原理为使用POP3协议的命令操作删除数据库内损坏的邮件列表，从而解决通过POP3协议拉取邮件时卡住不拉取邮件的问题。
方法采取脚本方式，使用PHP编写，下面是代码，贴出来共享。

> 使用方法：

- `php fixmail.php username password`

```PHP
<?php
/*
* Fix mail by deleting corrupted mails.
* Use USER and PASS 
* POP3 protocol refer RFC1939 (http://tools.ietf.org/rfc/rfc1939.txt)
*/

$host = "邮箱服务器域名或IP";
$port = "110"; // secure port is 995

if ($argc != 3) {
	print "Usage: \n";
	print "\t" . $argv[0] . " user pass\n";
	print "\n";
	exit;
}

$username = $argv[1];
$password = $argv[2];

function sendQuery($socket, $CMD, $data = '')
{
	$data = trim($data);
	if (empty($data)) {
		$send = "$CMD\r\n";
	} else {
		$send = "$CMD $data\r\n";
	}

socket_send($socket, $send, strlen($send), 0);
    return;
}

function getConnection($host, $port)
{
	$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)
      or die("Unable to create socket\n");

socket_connect($socket, $host, $port);
    $r = getResult($socket); // Get greeting info
    print $r;

return $socket;
}

function getLoginSession($host, $port, $user, $pass)
{
	$socket = getConnection($host, $port);

sendQuery($socket, 'USER', $user);
	$r = getResult($socket, 'USER');
	print $r;

sendQuery($socket, 'PASS', $pass);
	$r = getResult($socket, 'PASS');
	print $r;

return $socket;
}

function getMailIdList($socket) 
{
	sendQuery($socket, 'LIST');
	$r = getResult($socket, 'LIST');

$lines = explode("\r\n", $r);
	$lines = array_filter($lines);
	$arrMailId = array();
	foreach($lines as $v) {
		if ($v[0] == '+' && $v[1] == 'O' && $v[2] == 'K') continue;
		if ($v[0] == '.') continue;
		$v = trim($v);
		if (empty($v)) continue;
		$mid = explode(' ', $v);
		//print "$v\n";
		$arrMailId[] = $mid[0];
	}
	return $arrMailId;
}

function deleteMail($socket, $mailId)
{
	sendQuery($socket, 'DELE', "$mailId");
	$r = getResult($socket, 'DELE');
	print "DELE $mailId " . $r;
	return;
}

function quitAndClose(& $socket)
{
	sendQuery($socket, 'QUIT');
	$r = getResult($socket, 'QUIT');
	socket_close($socket);
	$socket = null;
	print $r;
	return;
}

// START
// get mail id list
$socket = getLoginSession($host, $port, $username, $password);
$arrMailId = getMailIdList($socket);
quitAndClose($socket);

$totalMail = count($arrMailId);
print "\nTotal mail count $totalMail\n\n";

// delete corrupt mail
// 删除之后id会重新补齐，所以从最大id开始
// 同一封邮件id在不同会话之间不一定相同, 但可以通过UIDL来获得邮件唯一ID标识
// 所以邮件客户端会先获取UIDL, 然后再获取LIST, 最后RETR获取邮件
$totalCorrupt = 0;
$cur = $totalMail - 1;
while ($cur >= 0) {
	$n = 6;
	$socket = getLoginSession($host, $port, $username, $password);
	while(($n > 0) && ($cur >= 0)) {
		$id = $arrMailId[$cur];
		$r = checkMailCorrupt($socket, $id);
		if ($r == 1) {
			$totalCorrupt ++;
			deleteMail($socket, $id);
			$n --;
		} else if ($r != 0) {
			$n --;
		}
		$cur --;
	}
	quitAndClose($socket);
}

print "\nTotal mail corrupt count $totalCorrupt\n\n";

```

> [脚本下载](https://pan.wsczx.com/d/f/621936942736478211)

Last modification：January 12, 2022

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mac邮件客户端无法使用pop3协议报错，解决pop拉取邮件失败的方法

孤鸿 • 2016 年 05 月 13 日

> 此方法初始目的来源于公司邮箱数据库里面有损坏的邮件，导致MAC版本客户端无法使用POP3协议拉取邮件。</span>

> 使用方法：

- `php fixmail.php username password`

```PHP
<?php
/*
* Fix mail by deleting corrupted mails.
* Use USER and PASS 
* POP3 protocol refer RFC1939 (http://tools.ietf.org/rfc/rfc1939.txt)
*/

$host = "邮箱服务器域名或IP";
$port = "110"; // secure port is 995

if ($argc != 3) {
	print "Usage: \n";
	print "\t" . $argv[0] . " user pass\n";
	print "\n";
	exit;
}

$username = $argv[1];
$password = $argv[2];

function sendQuery($socket, $CMD, $data = '')
{
	$data = trim($data);
	if (empty($data)) {
		$send = "$CMD\r\n";
	} else {
		$send = "$CMD $data\r\n";
	}

socket_send($socket, $send, strlen($send), 0);
    return;
}

function getConnection($host, $port)
{
	$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)
      or die("Unable to create socket\n");

socket_connect($socket, $host, $port);
    $r = getResult($socket); // Get greeting info
    print $r;

return $socket;
}

function getLoginSession($host, $port, $user, $pass)
{
	$socket = getConnection($host, $port);

sendQuery($socket, 'USER', $user);
	$r = getResult($socket, 'USER');
	print $r;

sendQuery($socket, 'PASS', $pass);
	$r = getResult($socket, 'PASS');
	print $r;

return $socket;
}

function getMailIdList($socket) 
{
	sendQuery($socket, 'LIST');
	$r = getResult($socket, 'LIST');

function deleteMail($socket, $mailId)
{
	sendQuery($socket, 'DELE', "$mailId");
	$r = getResult($socket, 'DELE');
	print "DELE $mailId " . $r;
	return;
}

function quitAndClose(& $socket)
{
	sendQuery($socket, 'QUIT');
	$r = getResult($socket, 'QUIT');
	socket_close($socket);
	$socket = null;
	print $r;
	return;
}

// START
// get mail id list
$socket = getLoginSession($host, $port, $username, $password);
$arrMailId = getMailIdList($socket);
quitAndClose($socket);

$totalMail = count($arrMailId);
print "\nTotal mail count $totalMail\n\n";

print "\nTotal mail corrupt count $totalCorrupt\n\n";

```

> [脚本下载](https://pan.wsczx.com/d/f/621936942736478211)

mac邮件客户端无法使用pop3协议报错，解决pop拉取邮件失败的方法

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mac邮件客户端无法使用pop3协议报错，解决pop拉取邮件失败的方法