To offer a great online service experience to your existing and potential customers by staying in touch with them, keeping them informed at every possible step. “SMS Plus Notification” addon is developed with the single aim of keeping your customers notified, thus adding value to your customer relationship allowing you to manage your online business, client management, billing and support functionality while using WHMCS.
The best place to start if you need help with a specific product is to contact the developer. All WHMCS Marketplace developers have both a website and support URL listed.
MSG91 WHMCS SMS plugin gives you the power and flexibility to stay connected with your customers by sending them an SMS and OTP's for 2FA at the crucial steps that matters the most.
Transactional email support for Sendgrid, Mailgun, Postmark, Sendinblue, Mailjet, Sparkpost, Mandrill and AmazonSES
More Advanced SMS System (Two-Factor Authentication)
Netgsm Sms addon provides you sending customized bulk sms and creating sms templates.
Professional business e-mail for your users