Best Firefox Relay Alternatives in 2026
The top Firefox Relay alternatives are addy.io, SimpleLogin and DuckDuckGo Email Protection: 15 email alias services our editors would look at instead of Firefox Relay, in our ranking order.
Firefox Relay: A focused alias service for reducing spam and tracking, with limited outbound support. Where it falls short: no custom-domain support.
Switching from Firefox Relay? For most email alias services buyers the best Firefox Relay alternative is addy.io, built for most users wanting a full-featured alias service. On a budget, YeyMail starts at $0.99/mo. YeyMail offers the most alias limit (500 aliases).
Why People Look for a Firefox Relay Alternative
- No custom-domain support
- Cannot send new outbound messages from an alias
- Premium tiers are currently waitlist-only
- No custom domains — 14 of the alternatives below have it
- No send from alias — 10 of the alternatives below have it
Quick Picks by What You Need
- Best overalladdy.io9.4
Most users wanting a full-featured alias service
Visit addy.io - Lowest priceYeyMail8.1
Paid plans from $0.99/mo
Visit YeyMail - Best free optionaddy.io9.4
Has a free plan
Visit addy.io - Most alias limitYeyMail8.1
500 aliases
Visit YeyMail - Best for custom domainsaddy.io9.4
Custom domains (Firefox Relay: no)
Visit addy.io
All 15 Firefox Relay Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forMost users wanting a full-featured alias service
- Better than Firefox Relay:
- Custom domains
- Send from alias
- Editor score 9.4 vs 7.5
A broad alias service with free access, custom domains, sending, replies, and self-hosting.
- Send from alias
- Browser extension
- Reply from alias
9.4/10★★★★★Visit addy.io -
Best forUnlimited aliases with broad app and browser coverage
- Better than Firefox Relay:
- Custom domains
- Send from alias
- Editor score 9.2 vs 7.5
A flexible alias service with strong privacy features and broad platform coverage.
- Send from alias
- Browser extension
- Reply from alias
9.2/10★★★★★Visit SimpleLogin -
Best forFree personal privacy protection and tracker removal
- Better than Firefox Relay:
- Send from alias
- Editor score 9.0 vs 7.5
A free alias service for removing email trackers without changing your inbox.
- Send from alias
- Browser extension
- Reply from alias
9.0/10★★★★☆Visit DuckDuckGo -
Best forSelf-hosters needing full alias controls
- Better than Firefox Relay:
- Custom domains
- Send from alias
- Editor score 8.7 vs 7.5
A flexible alias service for self-hosters who want control over forwarding and replies.
- Send from alias
- Reply from alias
- Custom domains
8.7/10★★★★☆Visit Shroud.email -
Best forPrivacy-focused users needing outbound alias email
- Better than Firefox Relay:
- Custom domains
- Send from alias
- Editor score 8.5 vs 7.5
A privacy-focused alias service with outbound email, custom domains, and a useful free tier.
- Send from alias
- Browser extension
- Reply from alias
8.5/10★★★★☆Visit Alias Email -
Best forPrivacy users wanting automation and encryption
- Better than Firefox Relay:
- Custom domains
- Editor score 8.4 vs 7.5
A privacy-focused alias service with automation, PGP forwarding, and custom-domain support.
- Browser extension
- Reply from alias
- Custom domains
8.4/10★★★★☆Visit anon.li -
Best forUsers wanting detection and domain controls
- Better than Firefox Relay:
- Custom domains
- Send from alias
- Editor score 8.3 vs 7.5
A privacy-focused alias service with strong detection and domain features.
- Send from alias
- Browser extension
- Reply from alias
8.3/10★★★★☆Visit EmailAlias.io -
Best forHigh-volume users needing 500 aliases
- Better than Firefox Relay:
- Custom domains
- Send from alias
- Editor score 8.1 vs 7.5
A high-capacity alias service with sending, custom domains, and privacy controls.
- Send from alias
- Browser extension
- Reply from alias
8.1/10★★★★☆Visit YeyMail -
Best forFree users wanting analytics and flexible forwarding
- Better than Firefox Relay:
- Custom domains
- Editor score 7.9 vs 7.5
A capable free alias service with analytics, controls, and a 20-alias account limit.
- Browser extension
- Reply from alias
- Custom domains
7.9/10★★★★☆Visit GhostRelay -
Best forSimple automatic aliases at low cost
- Better than Firefox Relay:
- Custom domains
- Editor score 7.8 vs 7.5
A low-cost alias service for forwarding mail and replying anonymously.
- Browser extension
- Reply from alias
- Custom domains
7.8/10★★★★☆Visit 33Mail -
Best forUsers needing rules and held-message controls
- Better than Firefox Relay:
- Custom domains
- Send from alias
- Editor score 7.7 vs 7.5
A focused alias service with useful sender rules and strong Pro controls.
- Send from alias
- Browser extension
- Reply from alias
7.7/10★★★★☆Visit Maski -
Best forWeb-based users needing routing and delivery controls
- Better than Firefox Relay:
- Custom domains
- Send from alias
- Editor score 7.6 vs 7.5
A web-based relay with unlimited aliases, custom domains, and delivery controls.
- Send from alias
- Reply from alias
- Custom domains
7.6/10★★★★☆Try ExpressMailGuard -
Best forAlias users who also need email testing tools
- Better than Firefox Relay:
- Custom domains
A capable alias and email-testing service with no sending or replying from aliases.
- Custom domains
7.4/10★★★★☆Visit TMailr -
Best forBasic disposable aliases with outbound support
- Better than Firefox Relay:
- Custom domains
- Send from alias
A browser-based alias service for separating sign-ups from your primary inbox.
- Send from alias
- Browser extension
- Reply from alias
7.3/10★★★★☆Visit Spamex -
Best forSelf-hosters wanting organized alias management
- Better than Firefox Relay:
- Custom domains
A free, open-source alias manager for Cloudflare users who want control and organization.
- Custom domains
7.2/10★★★★☆Visit MailPal
Firefox Relay Alternatives: Common Questions
What is the best alternative to Firefox Relay?
addy.io: #1 in our Email Alias Services ranking, with an editor score of 9.4 out of 10. A broad alias service with free access, custom domains, sending, replies, and self-hosting.
Is there a free alternative to Firefox Relay?
Yes. addy.io, SimpleLogin, DuckDuckGo Email Protection, Shroud.email and Alias Email have a free plan or a free tier (13 of the 15 alternatives on this page).
What is the cheapest paid alternative to Firefox Relay?
Of the alternatives here that publish a price, YeyMail starts lowest, at $0.99/mo.
Why do people look for Firefox Relay alternatives?
No custom-domain support; Cannot send new outbound messages from an alias; Premium tiers are currently waitlist-only.
Which Firefox Relay alternative has the most alias limit?
YeyMail, with 500 aliases.
How do I switch from Firefox Relay?
Export your data from Firefox Relay (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Firefox Relay.
How to Switch from Firefox Relay
- Export your data from Firefox Relay (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Firefox Relay.
Firefox Relay vs Each Alternative
| # | Tool | Free plan | Paid from | Custom domains | Reply from alias | Send from alias | Score |
|---|---|---|---|---|---|---|---|
| 13 | Firefox Relay | Yes | No | Yes | No | 7.5 | |
| 1 | addy.io | Yes | $1/mo | Yes | Yes | Yes | 9.4 |
| 2 | SimpleLogin | Yes | $36/yr | Yes | Yes | Yes | 9.2 |
| 3 | DuckDuckGo Email Protection | Yes | Free | Yes | Yes | 9.0 | |
| 4 | Shroud.email | Yes | Yes | Yes | Yes | 8.7 | |
| 5 | Alias Email | Yes | $3.33/mo | Yes | Yes | Yes | 8.5 |
| 6 | anon.li | Yes | $23.89/yr | Yes | Yes | 8.4 | |
| 7 | EmailAlias.io | Yes | $35/yr | Yes | Yes | Yes | 8.3 |
| 8 | YeyMail | No | $0.99/mo | Yes | Yes | Yes | 8.1 |
| 9 | GhostRelay | Yes | Yes | Yes | 7.9 | ||
| 10 | 33Mail | Yes | Yes | Yes | No | 7.8 | |
| 11 | Maski | Yes | $4.99/mo | Yes | Yes | Yes | 7.7 |
| 12 | ExpressMailGuard | No | $2.99/mo | Yes | Yes | Yes | 7.6 |
| 13 | TMailr | Yes | $24/yr | Yes | No | No | 7.4 |
| 14 | Spamex | Yes | Yes | Yes | Yes | 7.3 | |
| 15 | MailPal | Yes | Free | Yes | 7.2 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update