I'm using mailq to monitor my postfix - What do these message codes mean? Is this good or bad?
I am using mailq to monitor my postfix email. I'm getting some emails where there is no readable message that I can understand. It has an email address and then it has characters like this. Do these things have a meaning? What is the meaning? Here are some examples: 368313CCDF* 38551
another one 62EDD3CC5C* 82647
and another one DBD7E3CD1D* 82627
1 Reply
jhartman
Linode Staff
As far as I have been able to determine, these may just be Postfix email Queue IDs. Personally, I'm unfamiliar with running my own mail server, but found similar looking codes in the following guide about Postfix IDs:
Are you encountering any specific errors with sending/receiving mail, and can you provide more context about those IDs? For example, the full output of a message that shows one of those IDs or where you located it?