Email test send with SMTP not working on port 25

Hi!
/usr/share/opensearch/bin/opensearch-keystore list
keystore.seed
opensearch.notifications.core.email.test_giniyatovrr.password
opensearch.notifications.core.email.test_giniyatovrr.username
opensearch.notifications.email.test_giniyatovrr.password
opensearch.notifications.email.test_giniyatovrr.username
plugins.alerting.destination.email.test_giniyatovrr.password
plugins.alerting.destination.email.test_giniyatovrr.username

Hi!
’ usr/share/opensearch/bin/opensearch-keystore list
keystore.seed
opensearch.notifications.core.email.test_giniyatovrr.password
opensearch.notifications.core.email.test_giniyatovrr.username
opensearch.notifications.email.test_giniyatovrr.password
opensearch.notifications.email.test_giniyatovrr.username
plugins.alerting.destination.email.test_giniyatovrr.password
plugins.alerting.destination.email.test_giniyatovrr.username

Then I go to create channel and press send test message

[2022-07-22T14:26:33,518][INFO ][o.o.n.i.ConfigIndexingActions] [s001cd-db-es03-n0] notifications:NotificationConfig-create
[2022-07-22T14:26:33,547][INFO ][o.o.n.s.SendMessageActionHelper] [s001cd-db-es03-n0] notifications:getSingleConfig-get WyeoJYIBkYMTRb80xEgw
[2022-07-22T14:26:33,548][INFO ][o.o.n.s.SendMessageActionHelper] [s001cd-db-es03-n0] notifications:getSingleConfig-get TjnFG4IBJDlyFYwT-wl5
[2022-07-22T14:26:33,555][INFO ][o.o.n.c.c.DestinationSmtpClient] [s001cd-db-es03-n0] EmailException com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.3 Client was not authenticated

[2022-07-22T14:26:33,555][INFO ][o.o.n.s.SendMessageActionHelper] [s001cd-db-es03-n0] notifications:sendMessage:statusCode=502, statusText=sendEmail Error, status:530 5.7.3 Client was not authenticated

[2022-07-22T14:26:33,556][INFO ][o.o.n.s.SendMessageActionHelper] [s001cd-db-es03-n0] notifications:TjnFG4IBJDlyFYwT-wl5:statusCode=502, statusText=sendEmail Error, status:530 5.7.3 Client was not authenticated

[2022-07-22T14:26:33,556][WARN ][o.o.n.a.PluginBaseAction ] [s001cd-db-es03-n0] notifications:OpenSearchStatusException:
org.opensearch.OpenSearchStatusException: {“event_status_list”: [{“config_id”:“WyeoJYIBkYMTRb80xEgw”,“config_type”:“email”,“config_name”:“temp-dd”,“email_recipient_status”:[{“recipient":"giniyatovrr@sibur.ru”,“delivery_status”:{“status_code”:“502”,“status_text”:“sendEmail Error, status:530 5.7.3 Client was not authenticated\n”}}],“delivery_status”:{“status_code”:“502”,“status_text”:“sendEmail Error, status:530 5.7.3 Client was not authenticated\n”}}]}
at org.opensearch.notifications.send.SendMessageActionHelper.executeRequest(SendMessageActionHelper.kt:99) ~[?:?]
at org.opensearch.notifications.send.SendMessageActionHelper$executeRequest$1.invokeSuspend(SendMessageActionHelper.kt) ~[?:?]
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33) [kotlin-stdlib-1.6.10.jar:1.6.10-release-923(1.6.10)]
at kotlinx.coroutines.internal.ScopeCoroutine.afterResume(Scopes.kt:32) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlinx.coroutines.AbstractCoroutine.resumeWith(AbstractCoroutine.kt:113) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46) [kotlin-stdlib-1.6.10.jar:1.6.10-release-923(1.6.10)]
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:106) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:571) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:750) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:678) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:665) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
[2022-07-22T14:26:33,556][ERROR][o.o.n.a.SendTestNotificationAction] [s001cd-db-es03-n0] notifications:SendTestNotificationAction-send Error:OpenSearchStatusException[{“event_status_list”: [{“config_id”:“WyeoJYIBkYMTRb80xEgw”,“config_type”:“email”,“config_name”:“temp-dd”,“email_recipient_status”:[{“recipient":"giniyatovrr@sibur.ru”,“delivery_status”:{“status_code”:“502”,“status_text”:“sendEmail Error, status:530 5.7.3 Client was not authenticated\n”}}],“delivery_status”:{“status_code”:“502”,“status_text”:“sendEmail Error, status:530 5.7.3 Client was not authenticated\n”}}]}]
[2022-07-22T14:26:33,556][WARN ][r.suppressed ] [s001cd-db-es03-n0] path: /_plugins/_notifications/feature/test/WyeoJYIBkYMTRb80xEgw, params: {config_id=WyeoJYIBkYMTRb80xEgw}
org.opensearch.OpenSearchStatusException: {“event_status_list”: [{“config_id”:“WyeoJYIBkYMTRb80xEgw”,“config_type”:“email”,“config_name”:“temp-dd”,“email_recipient_status”:[{“recipient":"giniyatovrr@sibur.ru”,“delivery_status”:{“status_code”:“502”,“status_text”:“sendEmail Error, status:530 5.7.3 Client was not authenticated\n”}}],“delivery_status”:{“status_code”:“502”,“status_text”:“sendEmail Error, status:530 5.7.3 Client was not authenticated\n”}}]}
at org.opensearch.notifications.send.SendMessageActionHelper.executeRequest(SendMessageActionHelper.kt:99) ~[?:?]
at org.opensearch.notifications.send.SendMessageActionHelper$executeRequest$1.invokeSuspend(SendMessageActionHelper.kt) ~[?:?]
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33) [kotlin-stdlib-1.6.10.jar:1.6.10-release-923(1.6.10)]
at kotlinx.coroutines.internal.ScopeCoroutine.afterResume(Scopes.kt:32) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlinx.coroutines.AbstractCoroutine.resumeWith(AbstractCoroutine.kt:113) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46) [kotlin-stdlib-1.6.10.jar:1.6.10-release-923(1.6.10)]
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:106) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:571) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:750) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:678) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:665) [kotlinx-coroutines-core-jvm-1.4.3.jar:?]
[2022-07-22T14:26:33,581][INFO ][o.o.n.i.ConfigIndexingActions] [s001cd-db-es03-n0] notifications:NotificationConfig-delete [WyeoJYIBkYMTRb80xEgw]
[2022-07-22T14:26:33,581][INFO ][o.o.n.i.ConfigIndexingActions] [s001cd-db-es03-n0] notifications:NotificationConfig-delete WyeoJYIBkYMTRb80xEgw

I think it is not using username and pass when it is without ssl. But why ?

Full question in first reply. Unable to add to main question part.