Exchange 2010 - Outbound Message

when a user sending a bulk email, our smtp relay server (out source), bounce back with
#554 5.7.1 burst rate limit exceeded

so according to the relay support, it only allow 100 email per 10 mins and 500 per day

our users don't really send 500 email out per day, but could possible send 100 email within 10 mins period (a bulk email)

so my question is, is it possible to configure it on Exchange 2010 server with some type of policy resolve issue above?
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Justin YeungSenior Systems EngineerAsked:
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Gareth GudgerCommented:
You can set up Throttling Policy that can specify either recipient rate limits or message rate limits. But that really just governs how many messages or recipients a user can send to at a time.

Check here for more info.
http://www.slipstick.com/exchange/limit-number-of-internet-messages-user-can-send/

I assume this need is for mass mailings - email marketing. If so, I would recommend a service like Constant Contact. Not only do they give you nice newsletter templates to build from and deliver your messages. But they also report analytics back. Such as how many people opened your email. Or which links people clicked on inside your message. Its easy to import all your contacts. Then run about $15 a month.
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Stephen McGuiganTechnical ConsultantCommented:
Justin,

you will have to create a new throttling policy using powershell (Exchange Management Shell)

you can get the throttling policy for a user using this command

get-mailbox Test_User | fl throttlingpolicy

you can create a new policy using this command

New-ThrottlingPolicy -name Test_Policy -RecipientRateLimit 500

and you can allocate this policy to a user using the command

set-mailbox Test_User -ThrottlingPolicy Test_Policy


Hope this helps
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Justin YeungSenior Systems EngineerAuthor Commented:
I don't want to limit the email that a user can sent.

another word, when a user send 100 recipient bulk email, I would like exchange slowly pass it to our out sourced smtp relay. and then it will not considered as a bulk email.

and remember it is 100 email per 10 mins.
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Justin YeungSenior Systems EngineerAuthor Commented:
-RecipientRateLimit <UInt32>
     The RecipientRateLimit parameter specifies the limits on the number of recipients that a user can address in a
     24-hour period.

-MessageRateLimit <UInt32>
    The MessageRateLimit parameter specifies the number of messages per minute that can be submitted to transport. For
    messages submitted through the Mailbox server role (using Microsoft Outlook, Microsoft Office Outlook Web App, Exch
    ange ActiveSync, or Exchange Web Services), this results in the deferral of messages until the quota for the user i
    s available. Specifically, messages appear in the Outbox or Drafts folder for longer periods of time when users sub
    mit messages at a rate greater than the MessageRateLimit parameter.
    For POP or IMAP clients submitting messages directly to transport using SMTP, clients receive a transient error if
    they submit at a rate that exceeds the MessageRateLimit parameter. Exchange attempts to connect and send the messag
    es at a later time.

from powershell help, does this mean I just need MessageRateLimit on my ThrottlingPolicy?
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Gareth GudgerCommented:
Correct. You can pick one of the other.
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Justin YeungSenior Systems EngineerAuthor Commented:
New-ThrottlingPolicy -name SMTP_OutBound_Policy -RecipientRateLimit 500 -MessageRateLimit 10

so this policy will set limit of 500 per day 10 per min.

however what happen if it hits the set limit?

the 11th message will wait for a min before submitted to hub?

the 501th message within 24 hours period will do the same? wait 24 hours?
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Gareth GudgerCommented:
Basically anything over the limit will sit in the users Outbox until it is allowed to submit again.
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Justin YeungSenior Systems EngineerAuthor Commented:
Thank you for the explanation.
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