Thanks for looking into this.
This is what I have in `mailq`:
```
----Queue ID----- --Size-- ---Arrival Time---- --Sender/Recipient------
4JBTtB0RB2z40mD 1227 Sun Dec 12 03:01:06 root@mx1.noXXXX.XX
(host 127.0.0.1[127.0.0.1] said: 421 4.3.2 Service shutting down, closing channel (in reply to end of DATA command))
root@mx1.noXXXX.XX
4JBZQ20G11z40lf 6844 Sun Dec 12 06:25:12 root@mx1.noXXXX.XX
(connect to 127.0.0.1[127.0.0.1]:10026: Connection refused)
root@mx1.noXXXX.XX
4JBJNT1y43z40hX 1055 Sat Dec 11 19:53:12 postmaster@noXXXX.XX
(host 127.0.0.1[127.0.0.1] said: 421 4.3.2 Service shutting down, closing channel (in reply to end of DATA command))
test-5hfxxxoti@srv1.mail-tester.com
4J9LVr1v0fz40kt 7549 Fri Dec 10 06:25:09 root@mx1.noXXXX.XX
(connect to 127.0.0.1[127.0.0.1]:10026: Connection refused)
root@mx1.noXXXX.XX
4JCBMV2R0tz40lP 6707 Mon Dec 13 06:25:12 root@mx1.noXXXX.XX
(connect to 127.0.0.1[127.0.0.1]:10026: Connection refused)
root@mx1.noXXXX.XX
4JC5qk4tqqz40mL 1227 Mon Dec 13 03:01:06 root@mx1.noXXXX.XX
(delivery temporarily suspended: connect to 127.0.0.1[127.0.0.1]:10026: Connection refused)
root@mx1.noXXXX.XX
4J9swd73XDz40lg 1227 Sat Dec 11 03:01:05 root@mx1.noXXXX.XX
(delivery temporarily suspended: connect to 127.0.0.1[127.0.0.1]:10026: Connection refused)
root@mx1.noXXXX.XX
4JCpKD2xrBz40mK 6377 Tue Dec 14 06:25:11 root@mx1.noXXXX.XX
(delivery temporarily suspended: connect to 127.0.0.1[127.0.0.1]:10026: Connection refused)
root@mx1.noXXXX.XX
4J9ySV63gkz40lR 7537 Sat Dec 11 06:25:11 root@mx1.noXXXX.XX
(delivery temporarily suspended: connect to 127.0.0.1[127.0.0.1]:10026: Connection refused)
root@mx1.noXXXX.XX
4JCjnG6NFgz40mb 1227 Tue Dec 14 03:01:06 root@mx1.noXXXX.XX
(delivery temporarily suspended: connect to 127.0.0.1[127.0.0.1]:10026: Connection refused)
root@mx1.noXXXX.XX
4J9Fz63gmHz40lG 1227 Fri Dec 10 03:01:06 root@mx1.noXXXX.XX
(connect to 127.0.0.1[127.0.0.1]:10026: Connection refused)
root@mx1.noXXXX.XX
-- 41 Kbytes in 11 Requests.
```
And in mail.log:
```
Dec 15 01:18:20 mx1 postfix/dnsblog[911888]: addr 163.123.142.200 listed by domain zen.spamhaus.org as 127.0.0.3
Dec 15 01:42:34 mx1 postfix/qmgr[7672]: 4JBJNT1y43z40hX: from=<postmaster@noXXXX.XX>, size=1055, nrcpt=1 (queue active)
Dec 15 01:42:34 mx1 amavis[910879]: (910879-01) (!)connect to /var/run/clamav/clamd.ctl failed, attempt #1: Can't connect to a UNIX socket /var/run/clamav/clamd.ctl: No such file or directory
Dec 15 01:42:35 mx1 amavis[910879]: (910879-01) (!)connect to /var/run/clamav/clamd.ctl failed, attempt #1: Can't connect to a UNIX socket /var/run/clamav/clamd.ctl: No such file or directory
Dec 15 01:42:35 mx1 amavis[910879]: (910879-01) (!)clamav-socket: All attempts (1) failed connecting to /var/run/clamav/clamd.ctl, retrying (2)
Dec 15 01:42:41 mx1 amavis[910879]: (910879-01) (!)connect to /var/run/clamav/clamd.ctl failed, attempt #1: Can't connect to a UNIX socket /var/run/clamav/clamd.ctl: No such file or directory
Dec 15 01:42:41 mx1 amavis[910879]: (910879-01) (!)clamav-socket av-scanner FAILED: run_av error: Too many retries to talk to /var/run/clamav/clamd.ctl (All attempts (1) failed connecting to /var/run/clamav/clamd.ctl) at (eval 102) line 659.\n
Dec 15 01:42:41 mx1 amavis[910879]: (910879-01) (!)WARN: all primary virus scanners failed, considering backups
Dec 15 01:43:16 mx1 amavis[910879]: (910879-01) (!)TempDir removal: tempdir is to be PRESERVED: /var/lib/amavis/tmp/amavis-20211215T014234-910879-QFIyIlIv
Dec 15 01:43:16 mx1 postfix/amavis/smtp[913236]: 4JBJNT1y43z40hX: to=<test-5hfxxxoti@srv1.mail-tester.com>, relay=127.0.0.1[127.0.0.1]:10026, delay=280203, delays=280162/0.06/0.01/41, dsn=4.3.2, status=deferred (host 127.0.0.1[127.0.0.1] said: 421 4.3.2 Service shutting down, closing channel (in reply to end of DATA command))
Dec 15 01:43:18 mx1 amavis[913285]: starting. /usr/sbin/amavisd-new at mx1.noXXXX.XX amavisd-new-2.11.1 (20181009), Unicode aware, LANG="C.UTF-8"
Dec 15 01:43:18 mx1 amavis[913285]: perl=5.032001, user=114, EUID: 114 (114); group=, EGID: 122 122 (122 122)
Dec 15 01:43:19 mx1 amavis[913285]: Net::Server: Group Not Defined. Defaulting to EGID '122 122'
Dec 15 01:43:19 mx1 amavis[913285]: Net::Server: User Not Defined. Defaulting to EUID '114'
Dec 15 01:43:19 mx1 amavis[913285]: No ext program for .F, tried: unfreeze, freeze -d, melt, fcat
Dec 15 01:43:19 mx1 amavis[913285]: No ext program for .zoo, tried: zoo, unzoo
Dec 15 01:43:19 mx1 amavis[913285]: No decoder for .F
Dec 15 01:43:19 mx1 amavis[913285]: No decoder for .zoo
Dec 15 01:43:19 mx1 amavis[913285]: Using primary internal av scanner code for clamav-socket
Dec 15 01:43:19 mx1 amavis[913285]: Found secondary av scanner clamav-clamscan at /usr/bin/clamscan
```