PowerMTA queue detail

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Queue Detail
name	free.fr/pmta-vmta4
recipients	1
kbytes	160.8
active connections	0
paused	no
mode	normal
backoff reason
next retry	2025-05-04 16:26:08

Last Errors
time	error
2025-05-04 15:56:08	SMTP service unavailable: "421 Refused. Your reverse DNS entry does not resolve to an IP." received from mx2.free.fr (212.27.42.58) while connected from api4.institutfrancais-maroc.com (149.202.96.151) to mx2.free.fr (212.27.42.58)
2025-05-04 15:56:08	SMTP service unavailable: "421 Refused. Your reverse DNS entry does not resolve to an IP." received from mx1.free.fr (212.27.48.6) while connected from api4.institutfrancais-maroc.com (149.202.96.151) to mx1.free.fr (212.27.48.6)
2025-05-04 15:26:06	SMTP service unavailable: "421 Refused. Your reverse DNS entry does not resolve to an IP." received from mx2.free.fr (212.27.42.58) while connected from api4.institutfrancais-maroc.com (149.202.96.151) to mx2.free.fr (212.27.42.58)
2025-05-04 15:26:06	SMTP service unavailable: "421 Refused. Your reverse DNS entry does not resolve to an IP." received from mx1.free.fr (212.27.48.6) while connected from api4.institutfrancais-maroc.com (149.202.96.151) to mx1.free.fr (212.27.48.6)
2025-05-04 14:56:06	SMTP service unavailable: "421 Refused. Your reverse DNS entry does not resolve to an IP." received from mx2.free.fr (212.27.42.58) while connected from api4.institutfrancais-maroc.com (149.202.96.151) to mx2.free.fr (212.27.42.58)
2025-05-04 14:56:06	SMTP service unavailable: "421 Refused. Your reverse DNS entry does not resolve to an IP." received from mx1.free.fr (212.27.48.6) while connected from api4.institutfrancais-maroc.com (149.202.96.151) to mx1.free.fr (212.27.48.6)
2025-05-04 14:26:05	SMTP service unavailable: "421 Refused. Your reverse DNS entry does not resolve to an IP." received from mx2.free.fr (212.27.42.58) while connected from api4.institutfrancais-maroc.com (149.202.96.151) to mx2.free.fr (212.27.42.58)
2025-05-04 14:26:05	SMTP service unavailable: "421 Refused. Your reverse DNS entry does not resolve to an IP." received from mx1.free.fr (212.27.48.6) while connected from api4.institutfrancais-maroc.com (149.202.96.151) to mx1.free.fr (212.27.48.6)
2025-05-04 13:56:02	SMTP service unavailable: "421 Refused. Your reverse DNS entry does not resolve to an IP." received from mx2.free.fr (212.27.42.58) while connected from api4.institutfrancais-maroc.com (149.202.96.151) to mx2.free.fr (212.27.42.58)
2025-05-04 13:56:02	SMTP service unavailable: "421 Refused. Your reverse DNS entry does not resolve to an IP." received from mx1.free.fr (212.27.48.6) while connected from api4.institutfrancais-maroc.com (149.202.96.151) to mx1.free.fr (212.27.48.6)

Recipient Events (Deliveries: 0, Bounces: 0, Deferrals: 0)
Event	Time	Source IP	Address	Job ID	Destination MTA	Additional Information

Settings
VMTA Settings
max-smtp-msg-rate	unlimited	max-smtp-out	unlimited
Source IP Limits
Source IP Address	source-ip-max-smtp-out	source-ip-max-msg-rate	source-ip-max-connect-rate
149.202.96.151	unlimited	unlimited	unlimited
Queue Settings
type	smtp	ignore-chunking	yes
add-x-msys-api-header	no	ignore-dsn	no
allow-cancel-during-transfer	yes	ignore-pipelining	no
allow-priority-interruption	yes	log-commands	no
allow-priority-interruption-during-transfer	no	log-connections	no
assume-delivery-upon-data-termination-timeout	no	log-data	no
auth-password		log-disabled-ips	no
auth-username		log-resolution	no
backoff-max-connect-rate	unlimited	log-transfer-failures	no
backoff-max-msg-rate	100000/h	max-cold-virtual-mta-msg	0/d
backoff-max-smtp-out	20	max-connect-rate	unlimited
backoff-notify		max-errors-per-connection	unlimited
backoff-reroute-to-virtual-mta		max-events-recorded	10
backoff-retry-after	30m	max-msg-per-connection	unlimited
backoff-to-normal-after	never	max-msg-rate	100000/h
backoff-to-normal-after-delivery	no	max-rcpt-per-message	1000
backoff-upon-all-sources-disabled	no	max-smtp-out	20
bcc-upon-delivery		notify-of-delay-every	4h
bounce-after	1w	pix-bug-workaround	yes
bounce-upon-5xx-greeting	yes	queue-priority	50
bounce-upon-no-mx	no	reenable-source-ip-after	never
bounce-upon-pix-transfer-failure	no	remove-header
bounce-upon-transfer-failure	no	replace-smtp-421-service-response	no
check-spf-outbound	no	require-starttls	no
connect-timeout	2m	retry-after	30m
data-send-timeout	3m	retry-recipients-after	600
default-smtp-port	25	retry-upon-new-mail	no
deliver-local-dsn	yes	reuse-ssl-session	no
disable-acct-records		smtp-421-means-mx-unavailable	no
disable-mx-rollup	no	smtp-553-means-invalid-mailbox	yes
dkim-add-body-limit	no	smtp-client-certificate
dkim-add-timestamp	no	smtp-data-termination-timeout	10m
dkim-algorithm	rsa-sha256	smtp-greeting-timeout	5m
dkim-body-canon	relaxed	smtp-hosts
dkim-disallow-adding-headers		smtp-pattern-list
dkim-expire-after	never	smtp-tls-allow-SSLv3	no
dkim-headers		smtp-tls-allow-TLSv1	yes
dkim-headers-canon	relaxed	smtp-tls-ca-file
dkim-identity	sender-or-from	sparkpost-ip-pool
dkim-query-method		sparkpost-sandbox	no
dkim-sign	yes	track-recipient-events	no
ignore-8bitmime	no	use-starttls	yes