sendEmail报错：at/usr/share/perl5/vendor_perl/IO/Socket/SSL.pm

*******************************************************************
 Using the default of SSL_verify_mode of SSL_VERIFY_NONE for client
 is deprecated! Please set SSL_verify_mode to SSL_VERIFY_PEER
 together with SSL_ca_file|SSL_ca_path for verification.
 If you really don‘t want to verify the certificate and keep the
 connection open to Man-In-The-Middle attacks please set
 SSL_verify_mode explicitly to SSL_VERIFY_NONE in your application.
*******************************************************************
  at /usr/bin/sendEmail line 1906.
invalid SSL_version specified at /usr/share/perl5/vendor_perl/IO/Socket/SSL.pm line 415.

sendEmail发邮件的时候，出现的报错，然后查阅了很多资料

在http://caspian.dotconf.net/menu/Software/SendEmail/

上找到了 下面这段话

Q: I get the error "invalid SSL_version specified at /System/Library/Perl/Extras/5.16/IO/Socket/SSL.pm line 332.a on my Apple. What do I do?
A: Here‘s what I got from one user. It‘s a workaround until I put a real fix in:
> Fixed it by using Perl v5.12 that‘s still on OSX Mavericks. > (just changed sendEmail line 1 from #!/usr/bin/perl -w to #!/usr/bin/perl5.12 -w)

centos7.2默认是 perl的版本是5.16，centos6.5的是5.10，后来把7的版本换成5.10，就可以正常发邮件了。

#### perl安装
     wget http://www.cpan.org/src/5.0/perl-5.10.0.tar.gz
     tar -zxf perl-5.10.0.tar.gz
     cd perl-5.22.0
     ./configure.gnu -des -Dprefix=/usr/local/perl
     echo $?
     make
     make test
     make install
     mv /usr/bin/perl /usr/bin/perl.bak
     ln -s /usr/local/perl/bin/perl /usr/bin/perl
     perl -v

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sendEmail报错：at /usr/share/perl5/vendor_perl/IO/Socket/SSL.pm