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Hello masters of Adobe Campaign, and I appreciate the past communication and expertise.

 

I  am a newbie to Adobe Campaign.

 

This time I am curious if any of you happened or heard of DB SQL deadlocks and correlated it with duplicate Email delivery to one customer email account?

 

This happened a few times when one email account user stated that an email was received twice. A pool of a few IP addresses is used to send emails. MTA / MTA child logs show that only one delivery was sent, so nothing indicates the duality on my side.

 

To re-iterate:
a) Are the SQL deadlocks the cause and reason for Dual email send - The customer appears in the query only once.
b) When analyzing the email body and specifications on a recipient email account, the email appears to be sent from 2 different IP addresses most of the time within 30 minutes. One time I found that the same email was re-sent from the same IP address.
c) Logs don't show any bounced back delivery in this case. 

 

Please, let me know what you think about this and where I should start looking for the cause.