Not able to send Email after 5 mails from JavaMail to MS Exchange

Hello ,

I tried to send email to a mail server from JAVA code via javamail on port 25 but whenever I trigger mail only 5 mail going properly other than that all were fail with error messgae "421 4.4.2 Message submission rate for this client has exceeded the configured limit" . I asked the mail provider for Messgae rate limit of receiving connector , they send a data with
Name                                              Message Rate Limit              Binidings
Default                                            unlimited                                [::]:2525
Client Proxy                                    5                                               [::]:465
Default frontend                           unlimited                                 [::]:25
outbound proxy frontend           unlimited                                 [::]:717
client frontend                              5                                                [::]:587

Kindly let me know what I have to change on server side or on client side . And what is the reason for this issue even Message rate limit is unlimited on Default Frontend (Port 25)

Regards,
Priyanshu Agarwal
Priyanshu AgarwalNetwork EngineerAsked:
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Shreedhar EtteCommented:
Please change the client frontend receive connector limit and restart the MS Exchange Transport service for changes to take effect.

Set-ReceiveConnector -Identity “Client Frontend” -MessageRateLimit Unlimited
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Priyanshu AgarwalNetwork EngineerAuthor Commented:
I just want to know the reason for increasing client frontend limit because as per them we connect on default forntend which have binding on 25 port. As I told Mail vendor and they replied "The Client Frontend is not a outbound/public facing service.  This is internal only and is presented on tcp/465."
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Seth SimmonsSr. Systems AdministratorCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Accept: Shreedhar Ette (https:#a42421163)

If you feel this question should be closed differently, post an objection and the moderators will review all objections and close it as they feel fit. If no one objects, this question will be closed automatically the way described above.

seth2740
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