Error #6224
Event ID 4282
An interoperability error occurred. Interface protocol was violated. Error code=8453, Control Block index=96 [POP4 MAIN BASE 1 18] (14)
Event ID 4284
A error occurred during connection/disconnection.
Error code: 8511 [0 POP4 POP4 DOWN 6] (14)
Event ID 4287
An internal MTA error occurred. Contact Microsoft Technical Support.
Error code=8640 [64 POP4 POP4 DOWN 6] (14)
Event ID 290
A non-delivery report (reason code transfer-failure and diagnostic code MTS-congestion) is being generated for message C=US;A= ;P=Microsoft; L=Server1-000114132344Z-648. It was originally destined for DN:/o=Microsoft/ou=LC/cn=Recipients/cn=mnadeem (recipient number 1) and was to be redirected to DN:/o=Microsoft/ou=LC/cn=RECIPIENTS/
cn=mnadeemC=US; ;P=Microsoft;S=Nadeem;G=M;. [MTA DISP:RESULT 22 136] (12)
Event ID 9156
A resource limit has been reached while attempting to open an association. There are no free control blocks available for network type 1. The configured count is 20. [BASE IL MAIN BASE 1 171] (10)