PowerMTA™ 4.5r11 
mailing.institutfrancais-maroc.com 
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Domain Detail
nameyahoo.fr
recipients6
kbytes268.6
active connections0
Queues
vmta recipients kbytes connections paused mode % recipients
pmta-vmta2 3 104.7 0 no normal 50%
pmta-vmta15 2 63.1 0 no normal 33%
pmta-vmta6 1 100.9 0 no normal 16%
Last Errors
vmtatimeerror
pmta-vmta15 2025-07-02 16:14:56 Error: "421 4.7.0 [TSS04] Messages from 149.202.125.138 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api15.institutfrancais-maroc.com (149.202.125.138) to mx-eu.mail.am0.yahoodns.net (188.125.72.74)
pmta-vmta6 2025-07-02 16:01:05 Error: "421 [IPTS04] Messages from 149.202.116.93 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://senders.yahooinc.com/error-codes" while connected from api6.institutfrancais-maroc.com (149.202.116.93) to mx-eu.mail.am0.yahoodns.net (188.125.72.74)
pmta-vmta2 2025-07-02 15:50:16 Error: "421 4.7.0 [TSS04] Messages from 149.202.96.149 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api2.institutfrancais-maroc.com (149.202.96.149) to mx-eu.mail.am0.yahoodns.net (188.125.72.73)
pmta-vmta2 2025-07-02 15:50:16 Error: "421 [IPTS04] Messages from 149.202.96.149 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://senders.yahooinc.com/error-codes" while connected from api2.institutfrancais-maroc.com (149.202.96.149) to mx-eu.mail.am0.yahoodns.net (188.125.72.73)
pmta-vmta15 2025-07-02 15:44:54 Error: "451 Message temporarily deferred due to unresolvable From header domain campus-france.ma. See https://senders.yahooinc.com/error-codes#invalid-from" while connected from api15.institutfrancais-maroc.com (149.202.125.138) to mx-eu.mail.am0.yahoodns.net (188.125.72.74)
pmta-vmta6 2025-07-02 15:31:01 Error: "421 4.7.0 [TSS04] Messages from 149.202.116.93 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api6.institutfrancais-maroc.com (149.202.116.93) to mx-eu.mail.am0.yahoodns.net (188.125.72.74) (2x)
pmta-vmta6 2025-07-02 15:31:00 Error: "421 4.7.0 [TSS04] Messages from 149.202.116.93 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api6.institutfrancais-maroc.com (149.202.116.93) to mx-eu.mail.am0.yahoodns.net (188.125.72.74)
pmta-vmta2 2025-07-02 15:20:13 Error: "421 4.7.0 [TSS04] Messages from 149.202.96.149 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api2.institutfrancais-maroc.com (149.202.96.149) to mx-eu.mail.am0.yahoodns.net (188.125.72.74)
pmta-vmta2 2025-07-02 15:20:12 Error: "421 4.7.0 [TSS04] Messages from 149.202.96.149 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api2.institutfrancais-maroc.com (149.202.96.149) to mx-eu.mail.am0.yahoodns.net (188.125.72.74) (2x)
pmta-vmta2 2025-07-02 15:20:11 Error: "421 4.7.0 [TSS04] Messages from 149.202.96.149 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api2.institutfrancais-maroc.com (149.202.96.149) to mx-eu.mail.am0.yahoodns.net (188.125.72.74)
pmta-vmta15 2025-07-02 15:14:53 Error: "421 4.7.0 [TSS04] Messages from 149.202.125.138 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api15.institutfrancais-maroc.com (149.202.125.138) to mx-eu.mail.am0.yahoodns.net (188.125.72.73)
pmta-vmta15 2025-07-02 15:14:52 Error: "421 4.7.0 [TSS04] Messages from 149.202.125.138 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api15.institutfrancais-maroc.com (149.202.125.138) to mx-eu.mail.am0.yahoodns.net (188.125.72.73)
pmta-vmta6 2025-07-02 15:00:59 Error: "421 4.7.0 [TSS04] Messages from 149.202.116.93 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api6.institutfrancais-maroc.com (149.202.116.93) to mx-eu.mail.am0.yahoodns.net (188.125.72.74) (2x)
pmta-vmta6 2025-07-02 15:00:59 Error: "421 [IPTS04] Messages from 149.202.116.93 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://senders.yahooinc.com/error-codes" while connected from api6.institutfrancais-maroc.com (149.202.116.93) to mx-eu.mail.am0.yahoodns.net (188.125.72.74)
pmta-vmta2 2025-07-02 14:50:11 Error: "421 4.7.0 [TSS04] Messages from 149.202.96.149 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api2.institutfrancais-maroc.com (149.202.96.149) to mx-eu.mail.am0.yahoodns.net (188.125.72.73) (3x)
pmta-vmta2 2025-07-02 14:50:10 Error: "421 [IPTS04] Messages from 149.202.96.149 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://senders.yahooinc.com/error-codes" while connected from api2.institutfrancais-maroc.com (149.202.96.149) to mx-eu.mail.am0.yahoodns.net (188.125.72.73)
pmta-vmta15 2025-07-02 14:44:52 Error: "421 4.7.0 [TSS04] Messages from 149.202.125.138 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api15.institutfrancais-maroc.com (149.202.125.138) to mx-eu.mail.am0.yahoodns.net (188.125.72.73)
pmta-vmta15 2025-07-02 14:44:51 Error: "451 Message temporarily deferred due to unresolvable From header domain campus-france.ma. See https://senders.yahooinc.com/error-codes#invalid-from" while connected from api15.institutfrancais-maroc.com (149.202.125.138) to mx-eu.mail.am0.yahoodns.net (188.125.72.73)
pmta-vmta6 2025-07-02 14:30:56 Error: "421 4.7.0 [TSS04] Messages from 149.202.116.93 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api6.institutfrancais-maroc.com (149.202.116.93) to mx-eu.mail.am0.yahoodns.net (188.125.72.74) (2x)
pmta-vmta6 2025-07-02 14:30:55 Error: "421 4.7.0 [TSS04] Messages from 149.202.116.93 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api6.institutfrancais-maroc.com (149.202.116.93) to mx-eu.mail.am0.yahoodns.net (188.125.72.74)
pmta-vmta2 2025-07-02 14:20:08 Error: "421 4.7.0 [TSS04] Messages from 149.202.96.149 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api2.institutfrancais-maroc.com (149.202.96.149) to mx-eu.mail.am0.yahoodns.net (188.125.72.73) (2x)
pmta-vmta2 2025-07-02 14:20:07 Error: "421 4.7.0 [TSS04] Messages from 149.202.96.149 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api2.institutfrancais-maroc.com (149.202.96.149) to mx-eu.mail.am0.yahoodns.net (188.125.72.73) (2x)
pmta-vmta15 2025-07-02 14:14:49 Error: "421 4.7.0 [TSS04] Messages from 149.202.125.138 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api15.institutfrancais-maroc.com (149.202.125.138) to mx-eu.mail.am0.yahoodns.net (188.125.72.74) (2x)
pmta-vmta6 2025-07-02 14:00:55 Error: "421 4.7.0 [TSS04] Messages from 149.202.116.93 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api6.institutfrancais-maroc.com (149.202.116.93) to mx-eu.mail.am0.yahoodns.net (188.125.72.73)
pmta-vmta2 2025-07-02 13:50:06 Error: "421 4.7.0 [TSS04] Messages from 149.202.96.149 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api2.institutfrancais-maroc.com (149.202.96.149) to mx-eu.mail.am0.yahoodns.net (188.125.72.74) (3x)
pmta-vmta15 2025-07-02 13:44:49 Error: "421 4.7.0 [TSS04] Messages from 149.202.125.138 temporarily deferred due to unexpected volume or user complaints - 4.16.55.1; see https://postmaster.yahooinc.com/error-codes" while connected from api15.institutfrancais-maroc.com (149.202.125.138) to mx-eu.mail.am0.yahoodns.net (188.125.72.73)