Apr 10 18:36:22 56818 postfix/cleanup[1223]: 1D9EE121831: message-id=<cT4POyROyaAgs4QdqQMwYLhp3ANUvbSnwtGepMbVI@pirogibulki.com>
Apr 10 18:36:22 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:22 56818 postfix/cleanup[1223]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "d.serikow@yandex.ru"
Apr 10 18:36:22 56818 postfix/cleanup[1223]: warning: 1D9EE121831: virtual_alias_maps map lookup problem for d.serikow@yandex.ru -- message not accepted, try again later
Apr 10 18:36:23 56818 postfix/pickup[840]: warning: 1EB0B121831: message has been queued for 118 days
Apr 10 18:36:23 56818 postfix/pickup[840]: 1EB0B121831: uid=998 from=<lsadm>
Apr 10 18:36:23 56818 postfix/cleanup[1107]: 1EB0B121831: message-id=<20220410153623.1EB0B121831@server.example.com>
Apr 10 18:36:23 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:23 56818 postfix/cleanup[1107]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@localhost.example.com"
Apr 10 18:36:23 56818 postfix/cleanup[1107]: warning: 1EB0B121831: virtual_alias_maps map lookup problem for root@localhost.example.com -- message not accepted, try again later
Apr 10 18:36:24 56818 postfix/pickup[840]: warning: 1FE22121831: message has been queued for 19 days
Apr 10 18:36:24 56818 postfix/pickup[840]: 1FE22121831: uid=0 from=<root>
Apr 10 18:36:24 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:24 56818 postfix/cleanup[1223]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:24 56818 postfix/cleanup[1223]: warning: 1FE22121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:25 56818 postfix/pickup[840]: warning: 20E59121831: message has been queued for 46 days
Apr 10 18:36:25 56818 postfix/pickup[840]: 20E59121831: uid=0 from=<root>
Apr 10 18:36:25 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:25 56818 postfix/cleanup[1107]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:25 56818 postfix/cleanup[1107]: warning: 20E59121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:26 56818 postfix/pickup[840]: warning: 21BE4121831: message has been queued for 39 days
Apr 10 18:36:26 56818 postfix/pickup[840]: 21BE4121831: uid=0 from=<root>
Apr 10 18:36:26 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:26 56818 postfix/cleanup[1223]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:26 56818 postfix/cleanup[1223]: warning: 21BE4121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:27 56818 postfix/pickup[840]: warning: 22734121831: message has been queued for 12 days
Apr 10 18:36:27 56818 postfix/pickup[840]: 22734121831: uid=0 from=<root>
Apr 10 18:36:27 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:27 56818 postfix/cleanup[1107]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:27 56818 postfix/cleanup[1107]: warning: 22734121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:28 56818 postfix/pickup[840]: warning: 22FBC121831: message has been queued for 36 days
Apr 10 18:36:28 56818 postfix/pickup[840]: 22FBC121831: uid=0 from=<root>
Apr 10 18:36:28 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:28 56818 postfix/cleanup[1223]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:28 56818 postfix/cleanup[1223]: warning: 22FBC121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:29 56818 postfix/pickup[840]: warning: 23A6A121831: message has been queued for 82 days
Apr 10 18:36:29 56818 postfix/pickup[840]: 23A6A121831: uid=0 from=<root>
Apr 10 18:36:29 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:29 56818 postfix/cleanup[1107]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:29 56818 postfix/cleanup[1107]: warning: 23A6A121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:30 56818 postfix/pickup[840]: warning: 24AAC121831: message has been queued for 90 days
Apr 10 18:36:30 56818 postfix/pickup[840]: 24AAC121831: uid=0 from=<root>
Apr 10 18:36:30 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:30 56818 postfix/cleanup[1223]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:30 56818 postfix/cleanup[1223]: warning: 24AAC121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:31 56818 postfix/pickup[840]: warning: 25C89121831: message has been queued for 93 days
Apr 10 18:36:31 56818 postfix/pickup[840]: 25C89121831: uid=0 from=<root>
Apr 10 18:36:31 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:31 56818 postfix/cleanup[1107]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:31 56818 postfix/cleanup[1107]: warning: 25C89121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:22 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:22 56818 postfix/cleanup[1223]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "d.serikow@yandex.ru"
Apr 10 18:36:22 56818 postfix/cleanup[1223]: warning: 1D9EE121831: virtual_alias_maps map lookup problem for d.serikow@yandex.ru -- message not accepted, try again later
Apr 10 18:36:23 56818 postfix/pickup[840]: warning: 1EB0B121831: message has been queued for 118 days
Apr 10 18:36:23 56818 postfix/pickup[840]: 1EB0B121831: uid=998 from=<lsadm>
Apr 10 18:36:23 56818 postfix/cleanup[1107]: 1EB0B121831: message-id=<20220410153623.1EB0B121831@server.example.com>
Apr 10 18:36:23 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:23 56818 postfix/cleanup[1107]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@localhost.example.com"
Apr 10 18:36:23 56818 postfix/cleanup[1107]: warning: 1EB0B121831: virtual_alias_maps map lookup problem for root@localhost.example.com -- message not accepted, try again later
Apr 10 18:36:24 56818 postfix/pickup[840]: warning: 1FE22121831: message has been queued for 19 days
Apr 10 18:36:24 56818 postfix/pickup[840]: 1FE22121831: uid=0 from=<root>
Apr 10 18:36:24 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:24 56818 postfix/cleanup[1223]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:24 56818 postfix/cleanup[1223]: warning: 1FE22121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:25 56818 postfix/pickup[840]: warning: 20E59121831: message has been queued for 46 days
Apr 10 18:36:25 56818 postfix/pickup[840]: 20E59121831: uid=0 from=<root>
Apr 10 18:36:25 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:25 56818 postfix/cleanup[1107]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:25 56818 postfix/cleanup[1107]: warning: 20E59121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:26 56818 postfix/pickup[840]: warning: 21BE4121831: message has been queued for 39 days
Apr 10 18:36:26 56818 postfix/pickup[840]: 21BE4121831: uid=0 from=<root>
Apr 10 18:36:26 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:26 56818 postfix/cleanup[1223]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:26 56818 postfix/cleanup[1223]: warning: 21BE4121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:27 56818 postfix/pickup[840]: warning: 22734121831: message has been queued for 12 days
Apr 10 18:36:27 56818 postfix/pickup[840]: 22734121831: uid=0 from=<root>
Apr 10 18:36:27 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:27 56818 postfix/cleanup[1107]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:27 56818 postfix/cleanup[1107]: warning: 22734121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:28 56818 postfix/pickup[840]: warning: 22FBC121831: message has been queued for 36 days
Apr 10 18:36:28 56818 postfix/pickup[840]: 22FBC121831: uid=0 from=<root>
Apr 10 18:36:28 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:28 56818 postfix/cleanup[1223]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:28 56818 postfix/cleanup[1223]: warning: 22FBC121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:29 56818 postfix/pickup[840]: warning: 23A6A121831: message has been queued for 82 days
Apr 10 18:36:29 56818 postfix/pickup[840]: 23A6A121831: uid=0 from=<root>
Apr 10 18:36:29 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:29 56818 postfix/cleanup[1107]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:29 56818 postfix/cleanup[1107]: warning: 23A6A121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:30 56818 postfix/pickup[840]: warning: 24AAC121831: message has been queued for 90 days
Apr 10 18:36:30 56818 postfix/pickup[840]: 24AAC121831: uid=0 from=<root>
Apr 10 18:36:30 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:30 56818 postfix/cleanup[1223]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:30 56818 postfix/cleanup[1223]: warning: 24AAC121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
Apr 10 18:36:31 56818 postfix/pickup[840]: warning: 25C89121831: message has been queued for 93 days
Apr 10 18:36:31 56818 postfix/pickup[840]: 25C89121831: uid=0 from=<root>
Apr 10 18:36:31 56818 postfix/proxymap[849]: warning: mysql:/etc/postfix/mysql-virtual_forwardings.cf is unavailable. open /etc/postfix/mysql-virtual_forwardings.cf: Permission denied
Apr 10 18:36:31 56818 postfix/cleanup[1107]: warning: proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf lookup error for "root@server.example.com"
Apr 10 18:36:31 56818 postfix/cleanup[1107]: warning: 25C89121831: virtual_alias_maps map lookup problem for root@server.example.com -- message not accepted, try again later
You might want to post on CyberPanel forum for such issue, https://community.cyberpanel.net/