Check details about POP3/IMAP/SMTP traffic for single email
Sometimes is useful check the details about POP3/IMAP/SMTP traffic for a single email, to look and find problems.
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We face high POP3/IMAP bandwidth usage regularly by our users. The issue is while statistics does identify the domain it does not isolate the single user causing it.
Our client would then ask the common question, who is the email user causing it ?
At our end we believe this is a very important feature because at the client's end, sometime they would not have unlimited bandwidth for their internet usage.
The ability to identify the single email user causing this problem would swiftly resolve a common problem instead of the client having to pay additional to their telco or ISP while trying to identify the email user causing it.
Natxo Uralde commented
In the statistics section, in traffic, you can see its use by service. But in the POP / IMAP section, the disaggregation by account or user can not be seen. It would be nice to know which account is the one that causes the most traffic.
Giorgos Kontopoulos commented
I think this would be usefull together with EXTRA statistics for number of outgoing emails per email summarized per hour/day/month to be able spot trends or spikes (problems) if an account is compromised
Somebody mentioned MailWatch/Mailscanner on a different idea long time ago, that would probably be a good integration
Sometimes is useful to know the behavior of a single email and with the log file is impossible or difficult to understand.
Recently I had a customer with an increase of POP3 / IMAP traffic and I had trouble finding the single box that generated it (50+ email to check for that single domain).