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Posted by: Lemonde - 07 December 2020 10:07:31
What would cause this issue receiving email from a host? Log Name: Application Source: MSExchangeTransport Date: 07/12/2020 06:10:51 Event ID: 1035 Task Category: SmtpReceive Level: Warning Keywords: Classic User: N/A Computer: srv-EX1.srvo.local Description: Inbound authentication failed with error LogonDenied for Receive connector Client srv-EX1. The authentication mechanism is Login. The source IP address of the client who tried to authenticate to Microsoft Exchange is [x.x.x.x]. Event Xml: [code=markup]<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="MSExchangeTransport" /> <EventID Qualifiers="32772">1035</EventID> <Level>3</Level> <Task>1</Task> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2020-12-07T06:10:51.000000000Z" /> <EventRecordID>1145792</EventRecordID> <Channel>Application</Channel> <Computer>srv-EX1.srvo.local</Computer> <Security /> </System> <EventData> <Data>LogonDenied</Data> <Data>Client srv-EX1</Data> <Data>Login</Data> <Data>186.216.69.50</Data> </EventData> </Event>[/code] #

Posted by: Lemonde - 27 October 2022 20:58:08
You need to make a connector with permissions for relay to that IP address to enable the relay. We usually make a separate SMTP server on IIS if there's a server or IP address handy or you could use a custom port or socket to relay the message. You could also find out if your ISP supplies an SMTP server and tell the other device to use that.