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294622Re: Three trivial filtering questions

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  • Stan Hoeppner
    Aug 6, 2013
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      On 8/5/2013 6:16 PM, Ronald F. Guilmette wrote:
      > In message <520023B2.1070709@...>,
      > Noel Jones <njones@...> wrote:

      >>> OK. Works for me! I just wish that it wasn't necessary to
      >>> have to run an external PCRE to catch it, and that the

      PCRE tables don't "run externally". They're simply tables. Postfix
      smtpd processes them by calling libpcre to which it is linked, just as
      it is linked with other libraries including libc, libresolv, libssl, etc
      that handle other functions:

      ~$ pmap 10296
      10296: smtpd -n smtp -t inet -u -c -o stress= -s 2 ...
      b7104000 200K r-x-- /lib/libpcre.so.3.12.1
      b7136000 4K rw--- /lib/libpcre.so.3.12.1
      b7137000 12K r-x-- /usr/lib/postfix/dict_pcre.so
      b713a000 4K r---- /usr/lib/postfix/dict_pcre.so
      b713b000 4K rw--- /usr/lib/postfix/dict_pcre.so
      b74f3000 88K r-x-- /usr/lib/libsasl2.so.2.0.23
      b7509000 4K rw--- /usr/lib/libsasl2.so.2.0.23
      b773e000 16K r-x-- /var/spool/postfix/lib/libnss_dns-2.11.3.so
      b7742000 4K r---- /var/spool/postfix/lib/libnss_dns-2.11.3.so
      b7743000 4K rw--- /var/spool/postfix/lib/libnss_dns-2.11.3.so
      b7763000 184K r-x-- /usr/lib/postfix/smtpd
      b7792000 8K r---- /usr/lib/postfix/smtpd
      b7794000 4K rw--- /usr/lib/postfix/smtpd
      b9178000 264K rw--- [ anon ]
      bfd19000 132K rw--- [ stack ]
      total 7664K

      >> I can see where one might get confused. I'll submit a one-line doc
      >> patch rather than argue the point.
      > I have no wish to belabor the point either, however for the record
      > I am not confused. An FQDN is an FQDN, and [A.B.C.D] quite certainly
      > isn't one.

      Indeed. You're not the first to be stumped by the discrepancy between
      this parameter's behavior and that described in the docs. I commend
      Noel for submitting this long overdue patch.

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