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Lemonde  
#1 Posted : 12 July 2017 07:43:40(UTC)
Lemonde

Rank: Advanced Member

Groups: Registered
Joined: 08/01/2017(UTC)
Posts: 137
United Kingdom
Location: London

We are seeing the following in our Exchange 2016 server logs:

Log Name: Application
Source: MSExchangeTransport
Date: 12/07/2017 06:09:47
Event ID: 8019
Task Category: RemoteDelivery
Level: Warning
Keywords: Classic
User: N/A
Computer: servername.domain.suffix
Description:
Creating extra connection for idle queue: 18698 with queue type: DnsConnectorDelivery and next hop domain: gigatronic.es. Current number of connections is: 1
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="MSExchangeTransport" />
<EventID Qualifiers="32772">8019</EventID>
<Level>3</Level>
<Task>7</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2017-07-12T05:09:47.000000000Z" />
<EventRecordID>3998306</EventRecordID>
<Channel>Application</Channel>
<Computer>servername.domain.suffix</Computer>
<Security />
</System>
<EventData>
<Data>18698</Data>
<Data>DnsConnectorDelivery</Data>
<Data>gigatronic.es</Data>
<Data>1</Data>
</EventData>
</Event>

Edited by user 12 July 2017 07:44:12(UTC)  | Reason: Not specified

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Lemonde  
#2 Posted : 27 September 2017 10:21:51(UTC)
Lemonde

Rank: Advanced Member

Groups: Registered
Joined: 08/01/2017(UTC)
Posts: 137
United Kingdom
Location: London

Just to say that this domain has been refusing our emails occasionally - presumably due to some anti-spam issue.

In this case the DNS servers could not derive an IP address or an MX record and so the email could not be delivered.
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