What I want to achieve is to send email from my localhost host to my gmail account. But since Gmail uses SSL encryption, I figured that I need to enable SSL of my WAMP server.

STEP 1 : Setting an environment variable

• Right Click on My Computer > Select Properties > Click Advance System Settings.
• A window dialog will appear, Select Environment Variables.
• Add a new system variable OPENSSL_CONF:
  • Variable name: OPENSSL_CONF
  • Variable value: C:\wamp\bin\apache\apache2.2.11\conf\openssl.cnf

STEP 2 : Create SSL Certificate and Key

• Open command prompt and change directory to C
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1 2	cd /d c:\ cd wamp\bin\apache\apache2.2.11\bin

• Create a server private key with 1024 encyrption using the command below. It will ask for a password, just write any password (pass phrase) you like but you have to remember it since it will still be used later.
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1	openssl genrsa -des3 -out server.key 1024

• Remove the password from the RSA private key and create a backup file by using the command below. It will ask for a password, just type the password you encoded earlier.
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1 2	copy server.key server.key.org openssl rsa -in server.key.org -out server.key

• Make a self-signed certificate (X509 Structure) with the RSA key you just created. It will ask for information that will encoded at the certificate
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1	openssl req -new -x509 -nodes -sha1 -days 365 -key server.key -out server.crt -config C:\wamp\bin\apache\apache2.2.11\conf\openssl.cnf

STEP 3 : Storing certificates

• Create a folder C:\wamp\OpenSSL with the following subfolders:
  • certs
  • crl
  • newcerts
  • private
• Copy the following files from C:\wamp\bin\apache\Apache2.2.11\bin to C:\wamp\OpenSSL\certs:
  • server.cert
  • server.csr
  • server.key
• Copy the following files from C:\wamp\bin\apache\Apache2.2.11\bin to C:\wamp\OpenSSL\private:
  • server.key.org

STEP 4 : Configure httpd.conf

• Go to C:\wamp\bin\apache\Apache2.2.11\conf\ and open httpd.conf
• Remove comment (#) of LoadModule ssl_module modules/mod_ssl.so
• Remove comment (#) of LoadModule setenvif_module modules/mod_setenvif.so
• Remove comment (#) of Include conf/extra/httpd-ssl.conf then move it inside the block of ....

STEP 5 : Configure php.ini

• Remove comment (;) of extension=php_openssl.dll

STEP 6 : Configure httpd-ssl.conf

• Go to C:\wamp\bin\apache\Apache2.2.11\conf\extra\ and open httpd-ssl.conf
• Find the line which says "SSLMutex ...." and change it to "SSLMutex default"
• Find the line and follow the settings as shown below:
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  #   General setup for the virtual host DocumentRoot "C:/wamp/www" ServerName localhost:443 ServerAdmin me@localhost ErrorLog "C:/wamp/logs/ssl_ErrorLog.txt" TransferLog "C:/wamp/logs/ssl_TransferLog.txt"

• Find SSLCertificateFile and update it
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  1	SSLCertificateFile "C:/wamp/OpenSSL/certs/server.crt"

• Find SSLCertificateKeyFile and update it
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  1	SSLCertificateKeyFile "C:/wamp/OpenSSL/certs/server.key"

• Change the line which says or something similar to and add the following lines inside the directory tags:
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Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny allow from all

Verify if SSL is enabled

• At your command prompt, type httpd -t. If it displays Sysntax is OK, then restart apache server, otherwise, check your settings