1. Download MailHog

1 https://github.com/mailhog/MailHog/releases/latest . For 64 bit windows look for MailHog_windows_amd64.exe and for 32 bit MailHog_windows_386.exe

2 run the mailhog.exe

3 Open http://localhost:8025/ in your browser.

2. Update PHP configuration

Open php.ini and search for mail function. Set SMTP=127.0.0.1 and smtp_port=1025 in php.ini file.

                    [mail function]
                    ; For Win32 only.
                    ; http://php.net/smtp
                    SMTP=127.0.0.1
                    ; http://php.net/smtp-port
                    smtp_port=1025

                    

3. Update sendmail configuration

Open senmail.ini from C:\xampp\sendmail\ directory and put smtp_server=127.0.0.1 and smtp_port=1025.

                    [sendmail]
                    smtp_server=127.0.0.1
                    smtp_port=1025
                    

4. Sending email using php

                   

                  $to = 'recipients@email-address.com';
                  $subject = 'Hello from XAMPP!';
                  $message = 'This is a Mailhog test';
                  $headers = "From: your@email-address.com\r\n";

                  if (mail($to, $subject, $message, $headers)) {
                    echo "SUCCESS";
                  } else {
                    echo "ERROR";
                  }

                

Do followings before executing the php file
1. mailhog.exe should be live
2. Open http://localhost:8025/ in your browser.

When you run the file you will receive an email in the MailHog inbox.