# Fastmail Masked Email

Hacker Approved page: https://hackerapproved.com/p/fastmail-masked-email/

7 people recommended Fastmail Masked Email in Hacker News comments, 1 had mixed feelings and 2 criticized it, November 2025 to October 2026. It was recommended in 4 of 12 months, in 6 threads. It does not meet the Hacker Approved badge rule.

**Verdict:** Recommended for hiding your real address from senders and unsubscribing by deleting aliases. Critics warn it can leak your real address.

Summary written by Claude from 14 comments. It was written before the November 2026 recount, and 12 of those comments still count.

## Why people recommend it

- Works with Fastmail's own service (2 comments in the sample): "works fantastically with Fastmail with their Masked emails feature" ([source](https://news.ycombinator.com/item?id=48403038)) "Now I just use Fastmail's masked address feature." ([source](https://news.ycombinator.com/item?id=50097100))
- Strong recommendations from customers (1 comment in the sample): "of which I am a delighted customer" ([source](https://news.ycombinator.com/item?id=48502753))

## What people warn about

- Can leak the real address (3 comments in the sample): "The FM Masked Email is insecure in that there is a circumstance under which it can leak your real email." ([source](https://news.ycombinator.com/item?id=46732425)) "insecurity of their so-called secure Masked Email" ([source](https://news.ycombinator.com/item?id=46732312)) "WARNING: Fastmail Masked Email insecurity" ([source](https://news.ycombinator.com/item?id=46735363))

## Other email alias services people recommend

- [Apple Hide My Email](https://hackerapproved.com/p/apple-hide-my-email/): 44 recommend, 15 mixed, 52 criticize
- [SimpleLogin](https://hackerapproved.com/p/simplelogin/): 17 recommend, 3 mixed, 4 criticize
- [addy.io](https://hackerapproved.com/p/addy-io/): 11 recommend, 0 mixed, 1 criticize

## Where to get it

- [Visit the official site](https://www.fastmail.com/)

## The badge

A product earns the Hacker Approved badge when at least 10 people recommend it, recommenders outnumber critics at least 2 to 1 (mixed feelings count toward neither side), it was recommended in at least 4 of the 12 months and in at least 5 different threads, and no single thread supplies more than half of the people who recommend it. Health and money products are never badged.

## Cite as

Hacker Approved, "Fastmail Masked Email", https://hackerapproved.com/p/fastmail-masked-email/ (7 recommend, 1 mixed, 2 criticize; Hacker News comments, November 2025 to October 2026).

Counts updated 2 Nov 2026, with data through October 31, 2026.