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Emails not coming through from a specific server RRS feed

  • Question

  • Emails from one server are not arriving into a users mailbox.  We are running SBS 2011 with Exchange 2013 obviously.  Firewall is passing on the email to the Exchange server.  According to the ProtocolLogs for Exchange the connection with the remote server stops after "uploading certificate".  No error message is received.  Log is as follows:

    2020-09-21T08:35:22.176Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,0,192.168.102.10:25,139.138.31.225:19818,+,,
    2020-09-21T08:35:22.181Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,1,192.168.102.10:25,139.138.31.225:19818,*,SMTPSubmit SMTPAcceptAnySender SMTPAcceptAuthoritativeDomainSender AcceptRoutingHeaders,Set Session Permissions
    2020-09-21T08:35:22.181Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,2,192.168.102.10:25,139.138.31.225:19818,>,"220 remote.XXX.com.au Microsoft ESMTP MAIL Service ready at Mon, 21 Sep 2020 18:35:21 +1000",
    2020-09-21T08:35:22.191Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,3,192.168.102.10:25,139.138.31.225:19818,<,EHLO esa2.hc241-12.ap.iphmx.com,
    2020-09-21T08:35:22.195Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,4,192.168.102.10:25,139.138.31.225:19818,>,250-remote.XXX.com.au Hello [139.138.31.225],
    2020-09-21T08:35:22.195Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,5,192.168.102.10:25,139.138.31.225:19818,>,250-SIZE 51445760,
    2020-09-21T08:35:22.195Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,6,192.168.102.10:25,139.138.31.225:19818,>,250-PIPELINING,
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,7,192.168.102.10:25,139.138.31.225:19818,>,250-DSN,
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,8,192.168.102.10:25,139.138.31.225:19818,>,250-ENHANCEDSTATUSCODES,
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,9,192.168.102.10:25,139.138.31.225:19818,>,250-STARTTLS,
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,10,192.168.102.10:25,139.138.31.225:19818,>,250-AUTH,
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,11,192.168.102.10:25,139.138.31.225:19818,>,250-8BITMIME,
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,12,192.168.102.10:25,139.138.31.225:19818,>,250-BINARYMIME,
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,13,192.168.102.10:25,139.138.31.225:19818,>,250 CHUNKING,
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,14,192.168.102.10:25,139.138.31.225:19818,<,STARTTLS,
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,15,192.168.102.10:25,139.138.31.225:19818,>,220 2.0.0 SMTP server ready,
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,16,192.168.102.10:25,139.138.31.225:19818,*,,Sending certificate
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,17,192.168.102.10:25,139.138.31.225:19818,*,CN=remote.XXX.com.au,Certificate subject
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,18,192.168.102.10:25,139.138.31.225:19818,*,CN=RRM-SERVER-CA,Certificate issuer name
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,19,192.168.102.10:25,139.138.31.225:19818,*,2A1C3EC200010000000E,Certificate serial number
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,20,192.168.102.10:25,139.138.31.225:19818,*,F64DC4E04BF276A2F00F9382BE444C70BCEAE823,Certificate thumbprint
    2020-09-21T08:35:22.227Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,21,192.168.102.10:25,139.138.31.225:19818,*,remote.XXX.com.au;XXX.com.au;SERVER.RRM.local,Certificate alternate names
    2020-09-21T08:35:22.257Z,SERVER\Windows SBS Internet Receive AUBEND-DC1,08D85A7B5EC67081,22,192.168.102.10:25,139.138.31.225:19818,-,,Local
    

    Does anyone know why this abruptly ends without giving an actual error?

    Monday, September 21, 2020 10:19 AM

All replies

  • Hi,

    Did the sender receive a NDR mail? 

    And is there any problem with sending?

    In addition,please note that previous Exchange forums on TechNet have been migrated to a new home on Microsoft Q&A and this forum is for Exchange Server Development only.It is highly recommended to ask your question there so that there is more chance to get helpful suggestions or answers.

    Regards,

    Kael Yao


    Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.


    Friday, September 25, 2020 9:54 AM