Email Delivery time 10 sec for max attachment 10MB

Please help deliver larger emails within 2-4 sec in kumo, when I am using pmta there isn’t any issue with the email size.

Version: 2024.11.08.***
Linux Amazon 2

:index_pointing_up:

(please)

Done

thanks?
Where did you share your configs?

Sorry, I will share the config by today right now not at my system

{“type”:“Delivery”,“id”:“62154a7fd2a611efbc4b0aa6b44afef4”,“sender”:“sdfsdf”,“recipient”:“dfsdfs”,“queue”:“sdfsf”,“site”:“acl.s-test->sinch-com.mail.protection.outlook.com@smtp_client”,“size”:11659789,“response”:{“code”:250,“enhanced_code”:{“class”:2,“subject”:6,“detail”:0},“content”:“20250115000537.003297@kumo-mta-uat-1b [InternalId=4136053514733, Hostname=PR3PR09MB5300.eurprd09.prod.outlook.com] 11669802 bytes in 3.272, 3482.491 KB/sec Queued mail for delivery”,“command”:“.\r\n”},“peer_address”:{“name”:“sinch-com.mail.protection.outlook.com.”,“addr”:“52.101.68.10”},“timestamp”:1736879762,“created”:1736879752,“num_attempts”:0,“bounce_classification”:“Uncategorized”,“egress_pool”:“p-test”,“egress_source”:“s-test”,“source_address”:{“address”:“10.4.1.71:39747”},“feedback_report”:null,“meta”:{“authz_id”:“test_mail”,“tenant”:“cm”},“headers”:{“Subject”:“test Wed, 15 Jan 2025 00:05:37 +0530”},“delivery_protocol”:“ESMTP”,“reception_protocol”:“ESMTP”,“nodeid”:“e156a1ab-445f-4cc4-a99f-4e0ae3ad1c88”,“tls_cipher”:“TLS13_AES_256_GCM_SHA384”,“tls_protocol_version”:“TLSv1_3”,“tls_peer_subject_name”:[“C=US”,“ST=Washington”,“L=Redmond”,“O=Microsoft Corporation”,“CN=mail.protection.outlook.com”],“provider_name”:“office365”}

sorry for the delay in sharing the logs, please have look

Why are you sharing a successful delivery log when your complaint was about sending large emails?
This does not show me your config or detail any other environmental factors. It looks like you successfully sent an 11Mb payload in about 10 seconds. My guess is that you hit the max bandwidth of your NIC or some routing factor along the way.

I’d be happy to provide some Professional network consulting for $250USD an hour, but this looks like KumoMTA is working as expected. Am I missing something? If so, please provide the detail requested above.