none
unable to send mail to external mail servers (yahoo, hotmail,google,...)

    General discussion

  • Exchange server 2013 ‎(Build 712.24) on windows server 2012

    everything works fine two days ago,

    suddenly cannot send email to any mail server outside organization, nothing changed inside organization network, i removed external send connector an created a new one but nothing changed. please help....

    NDR Reply:

    Remote Server at yahoo.com (66.196.118.34) returned '400 4.4.7 Message delayed' 10/10/2013 1:45:50 PM - Remote Server at yahoo.com (66.196.118.34) returned '441 4.4.1 Error encountered while communicating with primary target IP address: "Failed to connect. Winsock error code: 10060, Win32 error code: 10060." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts. The last endpoint attempted was 66.196.118.34:25'

    Transport Log error:

    2013-10-10T14:12:41.675Z,ARAD External,08D0939A464A84E9,1,,98.138.112.38:25,*,,"Failed to connect. Winsock error code: 10060, Win32 error code: 10060, Error Message: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 98.138.112.38:25"



    Thursday, October 10, 2013 2:31 PM

All replies