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Queue Detail name acm.co.in/pmta51-51 recipients 1 kbytes 26.5 active connections 0 paused no mode backoff backoff reason 2026-04-04 19:03:02 "450 4.7.1 Try Later; see http://www.barracudacentral.org/rbl/removal-request" received from cluster6.netcore.co.in (202.162.240.51) matching /try later/ next retry 2026-04-04 20:03:02
Recipient Events (Deliveries: 0, Bounces: 0, Deferrals: 2) Show
deferred
2026-04-04 19:03:02
51.68.67.51
Binoy.dharod@acm.co.in
cluster6.netcore.co.in (202.162.240.51)
smtp;450 4.7.1 Try Later; see http://www.barracudacentral.org/rbl/removal-request
deferred
2026-04-04 18:02:58
51.68.67.51
Binoy.dharod@acm.co.in
cluster6.netcore.co.in (202.162.242.37)
smtp;450 4.7.1 Try Later; see http://www.barracudacentral.org/rbl/removal-request
Settings Show
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
51.68.67.51
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
10/m
log-disabled-ips
no
backoff-max-smtp-out
10
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
10
bcc-upon-delivery
max-msg-rate
10000/h
bounce-after
12h
max-rcpt-per-message
1000
bounce-upon-5xx-greeting
yes
max-smtp-out
10
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
30m
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-sha1
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
