宝塔邮局无法收取到邮件

为了能快速了解并处理您的问题，请提供以下基础信息：

面板：免费版 8.0.4 / 插件版本：宝塔邮局管理器 4.9

系统版本：CentOS 7.9.2009 x86_64(Py3.7.8)

问题描述：我的邮局无法收取到部分平台发送的邮件，存在收取慢收取不到的情况。

相关截图（日志、错误）：

Dec 27 20:36:04 mail postfix/smtpd[9144]: connect from ucmail21.sendcloud.io[117.50.36.48]

Dec 27 20:36:04 mail postfix/smtpd[9144]: AF16B60E0F: client=ucmail21.sendcloud.io[117.50.36.48]

Dec 27 20:36:04 mail postfix/cleanup[11723]: AF16B60E0F: message-id=<1703680563233169435.35.1975949287442763156@noti-emailconsumercn-live-global.231226165204379363.23122617123>

Dec 27 20:36:04 mail postfix/qmgr[9081]: 8A32A60E04: from=<bounces+22012564-ca0e-gydq39=wlcerp.cn@em9992.mail.tiktokglobalshop.com>, size=5602, nrcpt=1 (queue active)

Dec 27 20:36:04 mail dovecot: lmtp(11725): Connect from local

Dec 27 20:36:05 mail dovecot: lmtp(gydq39@wlcerp.cn): iCaAOjQajGXNLQAA3UBS0Q: sieve: msgid=<1a41a90c-c7a9-4a2f-8278-85f38b2ddb5e.no-reply@mail.tiktokglobalshop.com>: stored mail into mailbox 'INBOX'

Dec 27 20:36:05 mail dovecot: lmtp(11725): Disconnect from local: Successful quit

Dec 27 20:36:05 mail postfix/lmtp[11724]: 8A32A60E04: to=<gydq39@wlcerp.cn>, relay=mail.wlcerp.cn[private/dovecot-lmtp], delay=1.7, delays=1.6/0.01/0.01/0.02, dsn=2.0.0, status=sent (250 2.0.0 <gydq39@wlcerp.cn> iCaAOjQajGXNLQAA3UBS0Q Saved)

Dec 27 20:36:05 mail postfix/qmgr[9081]: 8A32A60E04: removed

Dec 27 20:36:05 mail postfix/smtpd[9200]: disconnect from xtrwsfcd.outbound-mail.sendgrid.net[167.89.111.205] ehlo=2 starttls=1 mail=1 rcpt=1 data=1 quit=1 commands=7

Dec 27 20:36:05 mail postfix/qmgr[9081]: AF16B60E0F: from=<7f9c532e-a4b4-11ee-ac7a-5254006286bf@security.shopee.cn>, size=46417, nrcpt=1 (queue active)

Dec 27 20:36:05 mail dovecot: lmtp(11725): Connect from local

Dec 27 20:36:05 mail dovecot: lmtp(be7rei@wlcerp.cn): 6EbwJjUajGXNLQAA3UBS0Q: sieve: msgid=<1703680563233169435.35.1975949287442763156@noti-emailconsumercn-live-global.231226165204379363.23122617123>: stored mail into mailbox 'INBOX'

Dec 27 20:36:05 mail dovecot: lmtp(11725): Disconnect from local: Successful quit

Dec 27 20:36:05 mail postfix/lmtp[11724]: AF16B60E0F: to=<be7rei@wlcerp.cn>, relay=mail.wlcerp.cn[private/dovecot-lmtp], delay=1, delays=1/0/0/0.02, dsn=2.0.0, status=sent (250 2.0.0 <be7rei@wlcerp.cn> 6EbwJjUajGXNLQAA3UBS0Q Saved)

Dec 27 20:36:05 mail postfix/qmgr[9081]: AF16B60E0F: removed

Dec 27 20:36:09 mail postfix/smtpd[9200]: connect from unknown[80.94.95.181]