[exim-dev] [Bug 3096] New: There is no limit on the number o…

https://bugs.exim.org/show_bug.cgi?id=3096

            Bug ID: 3096
           Summary: There is no limit on the number of MAIL commands that
                    can be sent before EHLO.
           Product: Exim
           Version: 4.97
          Hardware: All
                OS: All
            Status: NEW
          Severity: security
          Priority: medium
         Component: Documentation
          Assignee: unallocated@???
          Reporter: czxing.2019@???
                CC: exim-dev@???

The "smtp_max_synprot_errors" and "smtp_max_unknown_commands" define the
handling of exception messages or syntax, the default is 3.However, the unusual
behavior of sending a MAIL command before EHLO has no associated error control
and can be sent indefinitely

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