给网易邮箱发邮件总是退信，报422 ERR.LOGIN.USERSTATUS提示

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Array\n(\n [qiye163mx01.mxmail.netease.com] => 5\n [qiye163mx02.mxmail.netease.com] => 10\n [shujin.cn] => 0\n)\n\";i:1;s:47:\"Connecting to qiye163mx01.mxmail.netease.com:25\";i:2;s:59:\"Connected to qiye163mx01.mxmail.netease.com:25 successfully\";i:3;s:41:\"<<<recv: 220 hk-proxy-41141 ESMTP ready\r\n\";i:4;s:35:\"send>>>: EHLO mailv1.emailcamel.com\";i:5;s:29:\"<<<recv: 250-hk-proxy-41141\r\n\";i:6;s:25:\"<<<recv: 250-PIPELINING\r\n\";i:7;s:23:\"<<<recv: 250-8BITMIME\r\n\";i:8;s:31:\"<<<recv: 250-AUTH=LOGIN PLAIN\r\n\";i:9;s:23:\"<<<recv: 250 STARTTLS\r\n\";i:10;s:43:\"send>>>: MAIL FROM:<noreply@xxx.com>\";i:11;s:23:\"<<<recv: 250 2.0.0 OK\r\n\";i:12;s:13:\"send>>>: NOOP\";i:13;s:23:\"<<<recv: 250 2.0.0 OK\r\n\";i:14;s:34:\"send>>>: RCPT TO:<likai@xx.cn>\";i:15;s:35:\"<<<recv: 422 ERR.LOGIN.USERSTATUS\r\n\";i:16;s:58:\"Unexpected response to RCPT TO: 422 ERR.LOGIN.USERSTATUS\r\n\";i:17;s:13:\"send>>>: NOOP\";i:18;s:23:\"<<<recv: 250 2.0.0 OK\r\n\";i:19;s:13:\"send>>>: RSET\";i:20;s:23:\"<<<recv: 250 2.0.0 OK\r\n\";i:21;s:13:\"send>>>: QUIT\";i:22;s:24:\"<<<recv: 221 2.0.0 Bye\r\n\";i:23;s:51:\"Closing socket to qiye163mx01.mxmail.netease.com:25\";}"}

测试，通过QQ邮箱给该网易邮箱发邮件，已发了几分钟了，一直是在重投，最终无法投递

网易企业邮箱退信

该网易企业邮箱的确是存在的，但是给该邮箱发邮件的时候总是提示422 ERR.LOGIN.USERSTATUS该退信。