Mozmail alias addresses rejected by many sites
Mozmail alias addresses are rejected by many sites and services, including code hosts and sign-up forms, making them useless there.
Tier I · Proven The best-established problems.
6 public reports · first reported 24 January 2024 · last reported 31 July 2025
What's going wrong
Firefox users say many websites, code hosts, and sign-up forms refuse addresses on the mozmail domain, which makes masked addresses useless for those accounts.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 6 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.