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jeffreysmith

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Posts posted by jeffreysmith

  1. @Alberto M office365 will give you this error message if you break one of the following two limits:

    • 30 messages per minute
    • Recipient rate limit of 10,000 recipients per day

    https://docs.microsoft.com/en-us/office365/servicedescriptions/exchange-online-service-description/exchange-online-limits#receiving-and-sending-limits
     

    The bottleneck here is office 365 and unfortunately as we relay mail through them for you there is nothing that hornbill can do to bend this limit.

    What exactly is causing these big spikes? If it's some kind of monitoring system that sends a flurry of emails you could move this to send from another mailbox rather then office 365.

  2. Hi swcbc,

    We switched our DNS provider last night over to cloudflare and it appears this record was missed. I have added the record and it now appears in googles dns.
     

    C:\Users\jeffrey>nslookup
    Default Server:  google-public-dns-a.google.com
    Address:  8.8.8.8
    
    > service.hornbill.com
    Server:  google-public-dns-a.google.com
    Address:  8.8.8.8
    
    Non-authoritative answer:
    Name:    service.hornbill.com
    Address:  78.129.173.117


    Looks like I'm going to spend the morning making sure we have proper monitoring of all our service endpoints.

    Thanks for pointing this out so we could fix it.

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