Distribution List mail delivery failed

%3CLINGO-SUB%20id%3D%22lingo-sub-381251%22%20slang%3D%22en-US%22%3EDistribution%20List%20mail%20delivery%20failed%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-381251%22%20slang%3D%22en-US%22%3E%3CP%3EI%20have%20one%20external%20address%20that%20can%20not%20send%20email%20to%20a%20DL%20group%20we%20have.%26nbsp%3B%20%26nbsp%3B%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3E%3CSPAN%3EReason%3A%20%5B%7BLED%3D250%202.1.5%20RESOLVER.GRP.NotRedirected%3B%20messages%20of%20this%20type%20are%20not%20delivered%20to%20groups%7D%3B%7BMSG%3D%7D%3B%7BFQDN%3D%7D%3B%7BIP%3D%7D%3B%7BLRT%3D%7D%5D%3C%2FSPAN%3E%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3E%3CSPAN%3ENotes%3A%3C%2FSPAN%3E%3C%2FP%3E%3CP%3E%3CSPAN%3E1.%20Enabled%20emails%20for%20senders%20inside%20and%20outside%20organization%3C%2FSPAN%3E%3C%2FP%3E%3CP%3E%3CSPAN%3E2.%20Only%204%20internal%20recipients%26nbsp%3Bare%20members%3C%2FSPAN%3E%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3EAny%20thoughts%3F%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-381251%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3EOffice%20365%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3EOffice%20365%20Groups%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E%3CLINGO-SUB%20id%3D%22lingo-sub-382644%22%20slang%3D%22en-US%22%3ERe%3A%20Distribution%20List%20mail%20delivery%20failed%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-382644%22%20slang%3D%22en-US%22%3E%3CP%3E%3CA%20href%3D%22https%3A%2F%2Ftechcommunity.microsoft.com%2Ft5%2Fuser%2Fviewprofilepage%2Fuser-id%2F58%22%20target%3D%22_blank%22%3E%40Vasil%20Michev%3C%2FA%3E%26nbsp%3B%3C%2FP%3E%3CP%3EI%22m%20not%20quite%20sure%20what%20your%20question%20is.%26nbsp%3B%20%26nbsp%3BI%20see%20this%20error%20on%20the%20message%20trace.%26nbsp%3B%20%26nbsp%3BIts%20an%20email%20coming%20from%20an%20external%20address%20to%20a%20DL.%26nbsp%3B%3C%2FP%3E%3CP%3EI%20created%20another%20DL%20and%20the%20emails%20from%20the%20external%20sender%20is%20still%20failing.%26nbsp%3B%20I%20even%20added%20the%20IP%20address%20to%20the%20safe%20sender%20list%20and%20still%20getting%20dropped.%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-382479%22%20slang%3D%22en-US%22%3ERe%3A%20Distribution%20List%20mail%20delivery%20failed%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-382479%22%20slang%3D%22en-US%22%3E%3CP%3EWhat%20kind%20of%20message%20is%20that%20exactly%3F%3C%2FP%3E%3C%2FLINGO-BODY%3E
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New Contributor

I have one external address that can not send email to a DL group we have.   

 

Reason: [{LED=250 2.1.5 RESOLVER.GRP.NotRedirected; messages of this type are not delivered to groups};{MSG=};{FQDN=};{IP=};{LRT=}]

 

Notes:

1. Enabled emails for senders inside and outside organization

2. Only 4 internal recipients are members

 

Any thoughts?

 

 

2 Replies
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What kind of message is that exactly?

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@Vasil Michev 

I"m not quite sure what your question is.   I see this error on the message trace.   Its an email coming from an external address to a DL. 

I created another DL and the emails from the external sender is still failing.  I even added the IP address to the safe sender list and still getting dropped.