Sohin Vyacheslav:
> Hi,
>
> Sometimes when server is busy Postfix does not write all the data to
> maillog. I see difference between data from maillog and content of file
> with data in format: Date --From email --To email
>
> It's seems that drops some info before writing to maillog i.e. maillog
> does not contain every activity that Postfix does.
>
> Maybe need to add some parameter in main.cf to force logging all info to
> maillog?
As others have pointed out, Postfix does not write syslog files.
Depending on your OS, logging is handled by system-effing-d, which
by default unhelpfully rate-limits logging.
Wietse
