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#106 make fails: openssl too old

v1.0 (example)
open
nobody
None
5
2025-03-02
2025-03-02
No

Hello,
I would like to update the emailrelay running currently on my openindiana system (updated a few days ago) but when I try to "make " emailrelay-2.6, it fails saying that openssl is too old.
This is not surpising becalse the default openssl is still 1.0 on openindiana need it, bou openssl-3 is also present. Thus I tried the following:

ml@spitfire:/opt/emailrelay-2.6##make clean
ml@spitfire:/opt/emailrelay-2.6# ./configure.sh CXXFLAGS=-I/USR/OPENSSL/3/include LDFLAGS=-L/USR/OPENSSL/3/lib
ml@spitfire:/opt/emailrelay-2.6# make

wich ended with the following

make[3] : on quitte le répertoire « /opt/emailrelay-2.6/src/glib »
Making all in gssl
make[3] : on entre dans le répertoire « /opt/emailrelay-2.6/src/gssl »
c++ -std=c++17 -DHAVE_CONFIG_H -I. -I../../src  -I../../src/glib -DG_LIB_SMALL   -I/USR/OPENSSL/3/include -MT gssl.o -MD -MP -MF .deps/gssl.Tpo -c -o gssl.o gssl.cpp
mv -f .deps/gssl.Tpo .deps/gssl.Po

**c++ -std=c++17 -DHAVE_CONFIG_H -I. -I../../src  -I../../src/glib -DG_LIB_SMALL   -I/USR/OPENSSL/3/include -MT gssl_openssl.o -MD -MP -MF .deps/gssl_openssl.Tpo -c -o gssl_openssl.o gssl_openssl.cpp

**In file included from gssl_openssl.cpp:23:0:
gssl_openssl.h:42:2: error: #error "openssl is too old"**
#error "openssl is too old"
  ^~~~~
gssl_openssl.cpp: In static member function 'static std::__cxx11::string GSsl::OpenSSL::LibraryImp::sid()':
gssl_openssl.cpp:73:34:** **error: 'OPENSSL_VERSION' was not declared in this scope**
  std::string v = OpenSSL_version(OPENSSL_VERSION) ;
                                  ^~~~~~~~~~~~~~~
gssl_openssl.cpp:73:34: note: suggested alternative: 'OPENSSL_STRING'
  std::string v = OpenSSL_version(OPENSSL_VERSION) ;
                                  ^~~~~~~~~~~~~~~
                                  OPENSSL_STRING
gssl_openssl.cpp:73:18: error: 'OpenSSL_version' was not declared in this scope
  std::string v = OpenSSL_version(OPENSSL_VERSION) ;
                  ^~~~~~~~~~~~~~~
gssl_openssl.cpp:73:18: note: suggested alternative: 'SSL_version'
  std::string v = OpenSSL_version(OPENSSL_VERSION) ;
                  ^~~~~~~~~~~~~~~
                  SSL_version
gssl_openssl.cpp: In member function 'virtual std::__cxx11::string GSsl::OpenSSL::ProtocolImp::protocol() const':
gssl_openssl.cpp:685:10: error: 'SSL_SESSION_get_protocol_version' was not declared in this scope
  int v = SSL_SESSION_get_protocol_version( session ) ;
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gssl_openssl.cpp:685:10: note: suggested alternative: 'SSL_SESSION_get_compress_id'
  int v = SSL_SESSION_get_protocol_version( session ) ;
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          SSL_SESSION_get_compress_id
make[3]: *** [Makefile:578: gssl_openssl.o] Error 1
make[3] : on quitte le répertoire « /opt/emailrelay-2.6/src/gssl »
make[2]: *** [Makefile:375: all-recursive] Error 1
make[2] : on quitte le répertoire « /opt/emailrelay-2.6/src »
make[1]: *** [Makefile:320: all] Error 2
make[1] : on quitte le répertoire « /opt/emailrelay-2.6/src »
make: *** [Makefile:488: all-recursive] Error 1
ml@spitfire:/opt/emailrelay-2.6# 

Thus maybe the compiler does not find the version of openssl and deduces it is too old.
What should I do to be able to compile this version of emailrelay with the appropriate version of openssl ??
Thanks
Marc

Related

Support Requests: #106

Discussion

  • Graeme Walker

    Graeme Walker - 2025-03-02
    • Description has changed:

    Diff:

    --- old
    +++ new
    @@ -1,12 +1,16 @@
     Hello,
     I would like to update the emailrelay running currently on my openindiana system (updated a few days ago) but when I try to "make " emailrelay-2.6, it fails saying that openssl is too old.
     This is not surpising becalse the default openssl is still 1.0 on openindiana need it, bou openssl-3 is also present. Thus I tried the following:
    +
    +~~~
     ml@spitfire:/opt/emailrelay-2.6##make clean
     ml@spitfire:/opt/emailrelay-2.6# ./configure.sh CXXFLAGS=-I/USR/OPENSSL/3/include LDFLAGS=-L/USR/OPENSSL/3/lib
     ml@spitfire:/opt/emailrelay-2.6# make
    +~~~
    
     wich ended with the following
    
    +~~~
     make[3] : on quitte le répertoire « /opt/emailrelay-2.6/src/glib »
     Making all in gssl
     make[3] : on entre dans le répertoire « /opt/emailrelay-2.6/src/gssl »
    @@ -50,7 +54,7 @@
     make[1] : on quitte le répertoire « /opt/emailrelay-2.6/src »
     make: *** [Makefile:488: all-recursive] Error 1
     ml@spitfire:/opt/emailrelay-2.6# 
    -
    +~~~
    
     Thus maybe the compiler does not find the version of openssl and deduces it is too old.
     What should I do to be able to compile this version of emailrelay with the appropriate version of openssl ??
    
     
    • Marc Lobelle

      Marc Lobelle - 2025-03-02

      Hi Graeme,

      Thanks for your help.

      Indeed the -I directory was not the good one.

      ./configure.sh CXXFLAGS=-I/usr/openssl/3/include/openssl
      LDFLAGS=-L/usr/openssl/3/lib

      and in /usr/openssl/3/include/openssl, there is a ssl.h and a sslerr.h
      but no err.h

      ml@spitfire:/opt/emailrelay-2.6# ls -lrt /usr/openssl/3/include/openssl/ssl
      -r--r--r-- 1 root bin 136129 févr. 26 20:04
      /usr/openssl/3/include/openssl/ssl.h
      -r--r--r-- 1 root bin    658 févr. 26 20:04
      /usr/openssl/3/include/openssl/ssl2.h
      -r--r--r-- 1 root bin  15159 févr. 26 20:04
      /usr/openssl/3/include/openssl/ssl3.h
      -r--r--r-- 1 root bin  22573 févr. 26 20:04
      /usr/openssl/3/include/openssl/sslerr.h
      -r--r--r-- 1 root bin  26944 févr. 26 20:04
      /usr/openssl/3/include/openssl/sslerr_legacy.h
      ml@spitfire:/opt/emailrelay-2.6# ls -lrt /usr/openssl/3/include/openssl/err

      -r--r--r-- 1 root bin 22398 févr. 26 20:04
      /usr/openssl/3/include/openssl/err.h
      ml@spitfire:/opt/emailrelay-2.6#

      but if I do

      make clean

      ./configure.sh CXXFLAGS=-I/usr/openssl/3/include/openssl
      LDFLAGS=-L/usr/openssl/3/lib

      make

      I still get

      ...

      c++ -std=c++17 -DHAVE_CONFIG_H -I. -I../../src  -I../../src/glib
      -DG_LIB_SMALL   -I/usr/openssl/3/include/openssl -MT gssl_openssl.o -MD
      -MP -MF .deps/gssl_openssl.Tpo -c -o gssl_openssl.o gssl_openssl.cpp
      In file included from gssl_openssl.cpp:23:0:
      gssl_openssl.h:42:2: error: #error "openssl is too old"
       #error "openssl is too old"
        ^~~~~
      gssl_openssl.cpp: In static member function 'static std::__cxx11::string
      GSsl::OpenSSL::LibraryImp::sid()':
      gssl_openssl.cpp:73:34: error: 'OPENSSL_VERSION' was not declared in
      this scope
        std::string v = OpenSSL_version(OPENSSL_VERSION) ;
                                        ^~~~~~~~~~~~~~~
      gssl_openssl.cpp:73:34: note: suggested alternative: 'OPENSSL_STRING'
        std::string v = OpenSSL_version(OPENSSL_VERSION) ;
                                        ^~~~~~~~~~~~~~~
                                        OPENSSL_STRING
      gssl_openssl.cpp:73:18: error: 'OpenSSL_version' was not declared in
      this scope
        std::string v = OpenSSL_version(OPENSSL_VERSION) ;
                        ^~~~~~~~~~~~~~~
      gssl_openssl.cpp:73:18: note: suggested alternative: 'SSL_version'
        std::string v = OpenSSL_version(OPENSSL_VERSION) ;
                        ^~~~~~~~~~~~~~~
                        SSL_version
      gssl_openssl.cpp: In member function 'virtual std::__cxx11::string
      GSsl::OpenSSL::ProtocolImp::protocol() const':
      gssl_openssl.cpp:685:10: error: 'SSL_SESSION_get_protocol_version' was
      not declared in this scope
        int v = SSL_SESSION_get_protocol_version( session ) ;
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      gssl_openssl.cpp:685:10: note: suggested alternative:
      'SSL_SESSION_get_compress_id'
        int v = SSL_SESSION_get_protocol_version( session ) ;
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                SSL_SESSION_get_compress_id
      make[3]: *** [Makefile:578: gssl_openssl.o] Error 1
      make[3] : on quitte le répertoire « /opt/emailrelay-2.6/src/gssl »
      make[2]: *** [Makefile:375: all-recursive] Error 1
      make[2] : on quitte le répertoire « /opt/emailrelay-2.6/src »
      make[1]: *** [Makefile:320: all] Error 2
      make[1] : on quitte le répertoire « /opt/emailrelay-2.6/src »
      make: *** [Makefile:488: all-recursive] Error 1
      ml@spitfire:/opt/emailrelay-2.6#

      On 3/2/25 14:58, Graeme Walker wrote:

      You don't often get email from graeme_walker@users.sourceforge.net.
      Learn why this is important
      https://aka.ms/LearnAboutSenderIdentification

      • Description has changed:

      Diff:

      |--- old +++ new @@ -1,12 +1,16 @@ Hello, I would like to update the
      emailrelay running currently on my openindiana system (updated a few
      days ago) but when I try to "make " emailrelay-2.6, it fails
      saying that openssl is too old. This is not surpising becalse the
      default openssl is still 1.0 on openindiana need it, bou openssl-3 is
      also present. Thus I tried the following: + +~~~
      ml@spitfire:/opt/emailrelay-2.6##make clean
      ml@spitfire:/opt/emailrelay-2.6# ./configure.sh
      CXXFLAGS=-I/USR/OPENSSL/3/include LDFLAGS=-L/USR/OPENSSL/3/lib
      ml@spitfire:/opt/emailrelay-2.6# make +~~~ wich ended with the
      following +~~~ make[3] : on quitte le répertoire
      « /opt/emailrelay-2.6/src/glib » Making all in gssl make[3] : on entre
      dans le répertoire « /opt/emailrelay-2.6/src/gssl » @@ -50,7 +54,7 @@
      make[1] : on quitte le répertoire « /opt/emailrelay-2.6/src » make:
      *** [Makefile:488: all-recursive] Error 1
      ml@spitfire:/opt/emailrelay-2.6# - +~~~ Thus maybe the compiler does
      not find the version of openssl and deduces it is too old. What should
      I do to be able to compile this version of emailrelay with the
      appropriate version of openssl ?? |

      • Comment:

      I think the compiler is still finding the version 1 of the openssl
      headers. Your "-I" directory must have a "openssl" sub-directory that
      contains the version 3 headers including "ssl.h" and "err.h".

      Using upper-case for "/USR/OPENSSL" looks very odd. Shouldn't it be
      "/usr/openssl"?

      If you are not sure where the headers are try a brute-force search:

      $ find /usr -follow -type f -name ssl.h
      $ find /USR -follow -type f -name ssl.h
      $ find /opt -follow -type f -name ssl.h

      or use some sort of index:

      $ locate ssl.h


      [support-requests:#106]
      https://sourceforge.net/p/emailrelay/support-requests/106/ make
      fails: openssl too old

      Status: open
      Group: v1.0 (example)
      Created: Sun Mar 02, 2025 10:16 AM UTC by Marc Lobelle
      Last Updated: Sun Mar 02, 2025 10:16 AM UTC
      Owner: nobody

      Hello,
      I would like to update the emailrelay running currently on my
      openindiana system (updated a few days ago) but when I try to "make "
      emailrelay-2.6, it fails saying that openssl is too old.
      This is not surpising becalse the default openssl is still 1.0 on
      openindiana need it, bou openssl-3 is also present. Thus I tried the
      following:

      |ml@spitfire:/opt/emailrelay-2.6##makeclean
      ml@spitfire:/opt/emailrelay-2.6#./configure.shCXXFLAGS=-I/USR/OPENSSL/3/includeLDFLAGS=-L/USR/OPENSSL/3/lib
      ml@spitfire:/opt/emailrelay-2.6#make |

      wich ended with the following

      |make[3]:onquittelerépertoire«/opt/emailrelay-2.6/src/glib»
      Makingallingssl
      make[3]:onentredanslerépertoire«/opt/emailrelay-2.6/src/gssl»
      c++-std=c++17-DHAVE_CONFIG_H-I.-I../../src-I../../src/glib-DG_LIB_SMALL-I/USR/OPENSSL/3/include-MTgssl.o-MD-MP-MF.deps/gssl.Tpo-c-ogssl.ogssl.cpp
      mv-f.deps/gssl.Tpo.deps/gssl.Po
      c++-std=c++17-DHAVE_CONFIG_H-I.-I../../src-I../../src/glib-DG_LIB_SMALL-I/USR/OPENSSL/3/include-MTgssl_openssl.o-MD-MP-MF.deps/gssl_openssl.Tpo-c-ogssl_openssl.ogssl_openssl.cpp
      Infileincludedfromgssl_openssl.cpp:23:0:
      gssl_openssl.h:42:2:error:#error "openssl is too old" #error
      "openssl is too old" ^~~~~
      gssl_openssl.cpp:Instaticmemberfunction'static std::__cxx11::string
      GSsl::OpenSSL::LibraryImp::sid()':
      gssl_openssl.cpp:73:34:
      error:'OPENSSL_VERSION'wasnotdeclaredinthisscope
      std::stringv=OpenSSL_version(OPENSSL_VERSION); ^~~~~~~~~~~~~~~
      gssl_openssl.cpp:73:34:note:suggestedalternative:'OPENSSL_STRING'
      std::stringv=OpenSSL_version(OPENSSL_VERSION); ^~~~~~~~~~~~~~~
      OPENSSL_STRING
      gssl_openssl.cpp:73:18:error:'OpenSSL_version'wasnotdeclaredinthisscope
      std::stringv=OpenSSL_version(OPENSSL_VERSION); ^~~~~~~~~~~~~~~
      gssl_openssl.cpp:73:18:note:suggestedalternative:'SSL_version'
      std::stringv=OpenSSL_version(OPENSSL_VERSION); ^~~~~~~~~~~~~~~
      SSL_version gssl_openssl.cpp:Inmemberfunction'virtual
      std::__cxx11::string GSsl::OpenSSL::ProtocolImp::protocol() const':
      gssl_openssl.cpp:685:10:error:'SSL_SESSION_get_protocol_version'wasnotdeclaredinthisscope
      intv=SSL_SESSION_get_protocol_version(session);
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      gssl_openssl.cpp:685:10:note:suggestedalternative:'SSL_SESSION_get_compress_id'
      intv=SSL_SESSION_get_protocol_version(session);
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SSL_SESSION_get_compress_id
      make[3]:[Makefile:578:gssl_openssl.o]Error1
      make[3]:onquittelerépertoire«/opt/emailrelay-2.6/src/gssl»
      make[2]:
      [Makefile:375:all-recursive]Error1
      make[2]:onquittelerépertoire«/opt/emailrelay-2.6/src»
      make[1]:[Makefile:320:all]Error2
      make[1]:onquittelerépertoire«/opt/emailrelay-2.6/src»
      make:
      [Makefile:488:all-recursive]Error1
      ml@spitfire:/opt/emailrelay-2.6# |

      Thus maybe the compiler does not find the version of openssl and
      deduces it is too old.
      What should I do to be able to compile this version of emailrelay with
      the appropriate version of openssl ??
      Thanks
      Marc


      Sent from sourceforge.net because you indicated interest in
      https://sourceforge.net/p/emailrelay/support-requests/106/

      To unsubscribe from further messages, please visit
      https://sourceforge.net/auth/subscriptions/

       

      Related

      Support Requests: #106

  • Graeme Walker

    Graeme Walker - 2025-03-02

    I think the compiler is still finding the version 1 of the openssl headers. Your "-I" directory must have a "openssl" sub-directory that contains the version 3 headers including "ssl.h" and "err.h".

    Using upper-case for "/USR/OPENSSL" looks very odd. Shouldn't it be "/usr/openssl"?

    If you are not sure where the headers are try a brute-force search:

    $ find /usr -follow -type f -name ssl.h
    $ find /USR -follow -type f -name ssl.h
    $ find /opt -follow -type f -name ssl.h

    or use some sort of index:

    $ locate ssl.h

     
  • Graeme Walker

    Graeme Walker - 2025-03-02

    I think you just need to remove the trailing "/openssl", so

    CXXFLAGS=-I/usr/openssl/3/include

    (Your snippets do seem to show that you have "err.h", so I hope that will not be a problem.)

     
    • Marc Lobelle

      Marc Lobelle - 2025-03-02

      Thanks. It worked that way. I thus now have

      in /etc/init.d

      the emailrelay2.0 startup file

      in /usr :

      emailrelay1.8 files recently renamed  theirname.2008

      (before that init.d started emailrelay2.0 but commands were
      still the old ones)

      symbolic links to emailrelay2.0 files located in /usr/local

      in/usr/local

      emailrelay2.0 files

      Now; my plan is to install emailrelay2.6, but I would like not to loose
      2.0, that works fine.

      If I just do "make install ", I assume all emailrelay2.0 files will be
      overwritten. Thus I should change their names before

      What will happen to the configuration files (fitting to emailrelay2.0)
      will they be overwritten by default files (in that case, I must also
      rename them) and are they still OK with 2.6  ?

      Thanks again

      Marc

      On 3/2/25 17:29, Graeme Walker wrote:

      You don't often get email from graeme_walker@users.sourceforge.net.
      Learn why this is important
      https://aka.ms/LearnAboutSenderIdentification

      I think you just need to remove the trailing "/openssl", so

      CXXFLAGS=-I/usr/openssl/3/include

      (Your snippets do seem to show that you have "err.h", so I hope that
      will not be a problem.)


      [support-requests:#106]
      https://sourceforge.net/p/emailrelay/support-requests/106/ make
      fails: openssl too old

      Status: open
      Group: v1.0 (example)
      Created: Sun Mar 02, 2025 10:16 AM UTC by Marc Lobelle
      Last Updated: Sun Mar 02, 2025 01:58 PM UTC
      Owner: nobody

      Hello,
      I would like to update the emailrelay running currently on my
      openindiana system (updated a few days ago) but when I try to "make "
      emailrelay-2.6, it fails saying that openssl is too old.
      This is not surpising becalse the default openssl is still 1.0 on
      openindiana need it, bou openssl-3 is also present. Thus I tried the
      following:

      |ml@spitfire:/opt/emailrelay-2.6##makeclean
      ml@spitfire:/opt/emailrelay-2.6#./configure.shCXXFLAGS=-I/USR/OPENSSL/3/includeLDFLAGS=-L/USR/OPENSSL/3/lib
      ml@spitfire:/opt/emailrelay-2.6#make |

      wich ended with the following

      |make[3]:onquittelerépertoire«/opt/emailrelay-2.6/src/glib»
      Makingallingssl
      make[3]:onentredanslerépertoire«/opt/emailrelay-2.6/src/gssl»
      c++-std=c++17-DHAVE_CONFIG_H-I.-I../../src-I../../src/glib-DG_LIB_SMALL-I/USR/OPENSSL/3/include-MTgssl.o-MD-MP-MF.deps/gssl.Tpo-c-ogssl.ogssl.cpp
      mv-f.deps/gssl.Tpo.deps/gssl.Po
      c++-std=c++17-DHAVE_CONFIG_H-I.-I../../src-I../../src/glib-DG_LIB_SMALL-I/USR/OPENSSL/3/include-MTgssl_openssl.o-MD-MP-MF.deps/gssl_openssl.Tpo-c-ogssl_openssl.ogssl_openssl.cpp
      Infileincludedfromgssl_openssl.cpp:23:0:
      gssl_openssl.h:42:2:error:#error "openssl is too old" #error
      "openssl is too old" ^~~~~
      gssl_openssl.cpp:Instaticmemberfunction'static std::__cxx11::string
      GSsl::OpenSSL::LibraryImp::sid()':
      gssl_openssl.cpp:73:34:
      error:'OPENSSL_VERSION'wasnotdeclaredinthisscope
      std::stringv=OpenSSL_version(OPENSSL_VERSION); ^~~~~~~~~~~~~~~
      gssl_openssl.cpp:73:34:note:suggestedalternative:'OPENSSL_STRING'
      std::stringv=OpenSSL_version(OPENSSL_VERSION); ^~~~~~~~~~~~~~~
      OPENSSL_STRING
      gssl_openssl.cpp:73:18:error:'OpenSSL_version'wasnotdeclaredinthisscope
      std::stringv=OpenSSL_version(OPENSSL_VERSION); ^~~~~~~~~~~~~~~
      gssl_openssl.cpp:73:18:note:suggestedalternative:'SSL_version'
      std::stringv=OpenSSL_version(OPENSSL_VERSION); ^~~~~~~~~~~~~~~
      SSL_version gssl_openssl.cpp:Inmemberfunction'virtual
      std::__cxx11::string GSsl::OpenSSL::ProtocolImp::protocol() const':
      gssl_openssl.cpp:685:10:error:'SSL_SESSION_get_protocol_version'wasnotdeclaredinthisscope
      intv=SSL_SESSION_get_protocol_version(session);
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      gssl_openssl.cpp:685:10:note:suggestedalternative:'SSL_SESSION_get_compress_id'
      intv=SSL_SESSION_get_protocol_version(session);
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ SSL_SESSION_get_compress_id
      make[3]:[Makefile:578:gssl_openssl.o]Error1
      make[3]:onquittelerépertoire«/opt/emailrelay-2.6/src/gssl»
      make[2]:
      [Makefile:375:all-recursive]Error1
      make[2]:onquittelerépertoire«/opt/emailrelay-2.6/src»
      make[1]:[Makefile:320:all]Error2
      make[1]:onquittelerépertoire«/opt/emailrelay-2.6/src»
      make:
      [Makefile:488:all-recursive]Error1
      ml@spitfire:/opt/emailrelay-2.6# |

      Thus maybe the compiler does not find the version of openssl and
      deduces it is too old.
      What should I do to be able to compile this version of emailrelay with
      the appropriate version of openssl ??
      Thanks
      Marc


      Sent from sourceforge.net because you indicated interest in
      https://sourceforge.net/p/emailrelay/support-requests/106/

      To unsubscribe from further messages, please visit
      https://sourceforge.net/auth/subscriptions/

       

      Related

      Support Requests: #106

  • Graeme Walker

    Graeme Walker - 2025-03-02

    A "make install" is likely to overwrite one or other of your earlier versions. In principle it should not overwrite the main configuration file and secrets file but you should not rely on that working as intended -- always make backups.

    I suggest you do a "make install" to a temporary directory using DESTDIR:

    $ make install DESTDIR=/tmp/xxx
    

    To avoid accidents and unwanted side-effects do not do this as root. Then pick out any files you want and put them somewhere permanent (as root). You already have a working v2.0, so you probably only need the main emailrelay binary and it can go into /usr/sbin with a different name:

    $ sudo cp /tmp/xxx/usr/sbin/emailrelay /usr/sbin/emailrelay-2.6
    

    Then edit the /etc/init.d startup script to run the new binary:

    ...
    DAEMON=/usr/sbin/emailrelay-2.6
    

    The 2.0 configuration file and secrets file will be compatible with the 2.6 binary. Envelope files in the spool directory created by 2.0 will be usable by the 2.6 binary, but not the other way round. There is less compatibility with v1.8 because of breaking changes to the command-line options in going from 1.x to 2.0 (as described in the 2.0 NEWS file).

     

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