SYMPTOM:
A Strategy Narrowcast Server email service generates the resulting email file to the folder specified inside the Information Transmitter. However, the email does not reach the end user. With Strategy SMTP tracing on, the following error appears inside the SMTP log:
??250-TURN??250-SIZE??250-ETRN??250-PIPELINING??250-DSN??250-ENHANCEDSTATUSCODES??250-8bitmime??250-BINARYMIME??250-CHUNKING??250-VRFY??250-X-EXPS GSSAPI NTLM LOGIN??250-X-EXPS=LOGIN??250-AUTH GSSAPI NTLM LOGIN??250-AUTH=LOGIN??250-X-LINK2STATE??250-XEXCH50??250 OK??>>
Action:SEND Data (hex) << 4d 41 49 4c 20 46 52 4f 4d 3a 3c 40 6d 69 63 72 6f 73 74 72 61 74 65 67 79 2e 63 6f 6d 3e 0d 0a >> (str) <<MAIL FROM:<@Strategy.com>??>>
Action:RECV Data (hex) << 35 30 31 20 35 2e 35 2e 34 20 49 6e 76 61 6c 69 64 20 41 64 64 72 65 73 73 0d 0a >> (str) <<501 5.5.4 Invalid Address??>>
For more information on how to turn on Strategy SMTP log, refer to the following Strategy Knowledge Base article:
KB9762: How to generate the Strategy SMTP Protocol log file for Strategy Narrowcast Server
CAUSE:
The email address used by the email Information Transmitter's Delivery Status Notification is invalid, even when Delivery Status Notification is not enabled, as shown below:

ACTION:
Modify the Information Transmitter used by the Strategy Narrowcast Server service by following the steps below:


