Mac mail is Apple’s default email client that is included with OS X absolutely free. The users of Apple devices prefer Mac mail as it is best suited for the same. However, sometimes users may find poor performance in sending & receiving mails, or IP address conflict, or mail SMTP errors with Mac mail.
For these situations you can contact Mac mail support phone number to get the Mac mail technical support. If it takes you ‘on hold’ for several minutes, you can acquire help from the online directory Contactforhelp, which provides alternate online support and technical support instantly, and resolve your issue quickly.