ID

Internal identification number assigned by the mail system for the mail. Using this ID, the mail log and queue directory of the mail server can be searched via the console of the system in order to obtain more detailed information, e. g. in case of problems with mail dispatching.

Example 1:
Searching the mail log for the ID "8DD0052013B"

cat /var/log/mail.log | grep 8DD0052013B

Example 2:
Searching the queue for the ID "8DD0052013B"

find /var/spool/postfix/ -name 8DD0052013B

Example 3:
Displays a detailed view of the mail with the ID "8DD0052013B"

postcat-Befehl postcat -q 8DD0052013B

(?):
If you hover the mouse pointer over this character, more information about the error will be displayed.

Sender

The sender address of the mail. Since this is not subject to verification in the SMTP protocol and can be set without restriction, this does not have to be an address that exists on your server. Especially when using an account or scripts to send spam you will find randomly generated values here.

Recipients

The destination address of the mail.

Arrival date

The time at which the mail was injected into the mail system.

Age

The amount of time the mail is already in the queue.

Size

Disk space allocation of the mail.