PowerMTA queue detail

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Queue Detail
name	yahoo.in/pmta188-121
recipients	15
kbytes	413.1
active connections	0
paused	no
mode	normal
backoff reason
next retry	2026-06-17 11:17:39

Last Errors
time	error
2026-06-17 07:17:39	Error: "421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from saturn.streamad.in (188.165.10.121) to mx-apac.mail.gm0.yahoodns.net (106.10.248.74) (5x)
2026-06-17 07:16:39	message rate limit reached (based on queue's max-msg-rate in configuration) (3x)
2026-06-17 07:16:37	message rate limit reached (based on queue's max-msg-rate in configuration)
2026-06-17 07:16:37	Error: "421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from saturn.streamad.in (188.165.10.121) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73)
2026-06-17 07:16:37	message rate limit reached (based on queue's max-msg-rate in configuration)
2026-06-17 07:16:37	Error: "421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from saturn.streamad.in (188.165.10.121) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73)
2026-06-17 07:16:37	message rate limit reached (based on queue's max-msg-rate in configuration)
2026-06-17 07:16:37	Error: "421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from saturn.streamad.in (188.165.10.121) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73) (4x)
2026-06-17 03:16:35	Error: "421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from saturn.streamad.in (188.165.10.121) to mx-apac.mail.gm0.yahoodns.net (106.10.248.73) (5x)
2026-06-17 03:15:36	message rate limit reached (based on queue's max-msg-rate in configuration)

Recipient Events (Deliveries: 0, Bounces: 11, Deferrals: 32)
Event	Time	Source IP	Address	Job ID	Destination MTA	Additional Information
deferred	2026-06-17 07:17:39	188.165.10.121	dipti15j@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 07:17:39	188.165.10.121	reenal_gandhi@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 07:17:39	188.165.10.121	CA.PALLAVI@YAHOO.IN		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 07:17:39	188.165.10.121	caashwinichavan@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 07:17:39	188.165.10.121	anilsoni_12@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 07:16:37	188.165.10.121	nikhil_puranik@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 07:16:37	188.165.10.121	glchandwani@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 07:16:37	188.165.10.121	manisha.chandiramani@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 07:16:37	188.165.10.121	bhavit30@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 07:16:37	188.165.10.121	ankitaraj86@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 07:16:37	188.165.10.121	bhidevasudeo@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 03:16:35	188.165.10.121	caashwinichavan@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 03:16:35	188.165.10.121	reenal_gandhi@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 03:16:35	188.165.10.121	kshreyajain@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 03:16:35	188.165.10.121	anilsoni_12@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 03:16:35	188.165.10.121	jitendrasingh_18@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 03:15:34	188.165.10.121	bhidevasudeo@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 03:15:34	188.165.10.121	naiks20@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 03:15:34	188.165.10.121	nandini_kanoi@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 03:15:34	188.165.10.121	bhavit30@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-17 03:15:34	188.165.10.121	glchandwani@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-16 23:15:31	188.165.10.121	jitendrasingh_18@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-16 23:15:28	188.165.10.121	anilsoni_12@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-16 23:15:28	188.165.10.121	kshreyajain@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-16 23:14:30	188.165.10.121	CA.PALLAVI@YAHOO.IN		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-16 23:14:30	188.165.10.121	nandini_kanoi@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-16 23:14:28	188.165.10.121	nikhil_puranik@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-16 23:14:28	188.165.10.121	glchandwani@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-16 23:14:26	188.165.10.121	manisha.chandiramani@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-16 23:14:26	188.165.10.121	bhavit30@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.73)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
bounced	2026-06-16 23:13:29	188.165.10.121	digvijaypurohit@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 188.165.10.121 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information.
bounced	2026-06-16 23:13:28	188.165.10.121	dhruvesh1993@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 188.165.10.121 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information.
bounced	2026-06-16 23:13:28	188.165.10.121	alexandragei@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 188.165.10.121 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information.
bounced	2026-06-16 23:13:27	188.165.10.121	akshayjain_55@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 188.165.10.121 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information.
bounced	2026-06-16 23:13:27	188.165.10.121	kashah_ca@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 188.165.10.121 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information.
bounced	2026-06-16 23:13:27	188.165.10.121	ddkoyande_co@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 188.165.10.121 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information.
bounced	2026-06-16 23:13:26	188.165.10.121	ajinkyachavan63@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 188.165.10.121 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information.
bounced	2026-06-16 23:13:26	188.165.10.121	dcm_cr_87@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 188.165.10.121 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information.
bounced	2026-06-16 23:13:25	188.165.10.121	chintan_karani@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 188.165.10.121 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information.
bounced	2026-06-16 23:13:25	188.165.10.121	ca_pnk@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 188.165.10.121 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more information.
deferred	2026-06-16 19:13:22	188.165.10.121	jitendrasingh_18@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
deferred	2026-06-16 19:13:22	188.165.10.121	CA.PALLAVI@YAHOO.IN		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;421 4.7.0 [TSS04] Messages from 188.165.10.121 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes
bounced	2026-06-16 19:13:12	188.165.10.121	swatinarang2008@yahoo.in		mx-apac.mail.gm0.yahoodns.net (106.10.248.74)	smtp;550 5.7.9 This mail has been blocked because the sender is unauthenticated. Yahoo requires this sender to authenticate with DMARC (DMARC-aligned DKIM or DMARC-aligned SPF). Authentication results: DKIM = FAILURE - SPF bcsonline.org.in with ip 188.165.10.121 = FAILURE. See https://senders.yahooinc.com/smtp-error-codes/#authentication-failures for more 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
188.165.10.121	unlimited	unlimited	unlimited
Queue Settings
type	smtp	dkim-headers-canon	relaxed
add-gm-token	no	dkim-identity	sender-or-from
allow-cancel-during-transfer	yes	dkim-sign	yes
allow-priority-interruption	yes	ignore-8bitmime	no
allow-priority-interruption-during-transfer	no	ignore-chunking	yes
assume-delivery-upon-data-termination-timeout	yes	ignore-pipelining	no
auth-password		log-commands	no
auth-username		log-connections	no
backoff-max-connect-rate	unlimited	log-data	no
backoff-max-msg-rate	500/h	log-disabled-ips	no
backoff-max-smtp-out	6	log-resolution	no
backoff-notify		log-transfer-failures	no
backoff-reroute-to-virtual-mta		max-cold-virtual-mta-msg	0/d
backoff-retry-after	1h	max-connect-rate	unlimited
backoff-to-normal-after	1h	max-errors-per-connection	1000
backoff-to-normal-after-delivery	yes	max-events-recorded	10
backoff-upon-all-sources-disabled	no	max-msg-per-connection	6
bcc-upon-delivery		max-msg-rate	600/h
bounce-after	1d	max-rcpt-per-message	1000
bounce-upon-5xx-greeting	yes	max-smtp-out	6
bounce-upon-no-mx	yes	notify-of-delay-every	4h
bounce-upon-pix-transfer-failure	no	pix-bug-workaround	yes
bounce-upon-transfer-failure	no	queue-priority	50
check-mfrom-outbound	no	reenable-source-ip-after	never
check-pra-outbound	no	remove-header
connect-timeout	30s	replace-smtp-421-service-response	no
data-send-timeout	1m	require-starttls	no
default-smtp-port	25	retry-after	4h
deliver-local-dsn	yes	retry-upon-new-mail	no
disable-acct-records		smtp-421-means-mx-unavailable	no
disable-mx-rollup	no	smtp-553-means-invalid-mailbox	yes
dk-sign	yes	smtp-data-termination-timeout	10m
dkim-add-body-limit	no	smtp-greeting-timeout	15s
dkim-add-timestamp	no	smtp-hosts
dkim-algorithm	rsa-sha256	smtp-pattern-list	blocking-errors
dkim-body-canon	relaxed	smtp-tls-allow-SSLv3	yes
dkim-disallow-adding-headers		smtp-tls-allow-TLSv1	yes
dkim-expire-after	never	use-starttls	yes
dkim-headers		use-unencrypted-plain-auth	no