UCAAS - BUSINESS VOICE Modern Communications
CCAAS - CONTACT CENTER Advanced Omnichannel
INTEGRATED MESSAGING SMS | MMS | CHAT
SAAS INTEGRATIONS Over 200+ Apps & Integrations
ENHANCED MS TEAMS VOICE Hybrid Direct Routing Solution
ON-CALL & ALERTING Critical Alerting, Escalations
AI AGENTS AI Powered Automation
BI BUSINESS INTELLIGENCE Dashboards, Reports, Wallboards
USER ID & VERIFICATION Automated, On-Demand, Integrated
WORKFORCE MANAGEMENT Simplified Staff Management
PROGRESSIVE DIALER Intelligent Dialer with VM Drop
MSP RESALE PROGRAM Designed Exclusively for IT & MSP's
Spoofed emails are not new. It's all about another angle to trick a human being to open up a message that otherwise looks normal. Voicemail-to-email messages are no exception!

In this message it's clear that everything is wrong:
The point being is that an end user would simply see voicemail and click to open the message attachment.
Please educate your customers on this scenario.