Alias & forwarding

Firefox Relay

Explore Firefox Relay for email aliases or forwarding and check destination inbox requirements.

Visit official site ↗

Key parameters by plan

Limited email protection

Price and billing
Free plan
[1]Sources checked:
Storage
Not confirmed
Phone verification
Not confirmed
Attachment size limit
Not confirmed
Attachment and message conditions
Recorded conditions

Messages with attachments over 10 MB are not forwarded; some embedded images may also be omitted.

[2]Sources checked:
Alias limit
Not confirmed: sources conflict
[1][3]Sources checked:

Relay Premium

Price and billing
Not confirmed
Storage
Not confirmed
Phone verification
Not confirmed
Attachment size limit
Not confirmed
Attachment and message conditions
Recorded conditions

Messages with attachments over 10 MB are not forwarded; some embedded images may also be omitted.

[2]Sources checked:

Why consider it

Explore Firefox Relay for email aliases or forwarding and check destination inbox requirements.

  • Receive email — Limited email protection, Relay Premium
  • Reply to email — Relay Premium
  • Provider subdomain wildcard — Relay Premium
  • Multiple aliases — Limited email protection, Relay Premium
  • Hide your main address — Limited email protection, Relay Premium
  • Attachments — Limited email protection, Relay Premium

Before you choose

  • Firefox Relay requires a verified destination inbox. Premium availability varies by region; check the current free alias limit with Mozilla.

Recorded plans

Plan capabilities

Plan capabilitiesLimited email protectionRelay Premium
No account required
No
[2]Sources checked:
No
[2]Sources checked:
No phone required
Not confirmed
Not confirmed
No existing email required
No
[2]Sources checked:
No
[2]Sources checked:
Receive email
Yes
[2]Sources checked:
Yes
[2]Sources checked:
Reply to email
No
[1]Sources checked:
Yes

Replies are limited to three months after receipt and 100 per day; CC/BCC can expose your original address.

[4]Sources checked:
Start a new email
Not confirmed
Not confirmed
Your own domain
Not confirmed
Not confirmed
Catch-all on your domain
Not confirmed
Not confirmed
Provider subdomain wildcard
Not confirmed
Yes

Uses a Relay-provided mozmail.com subdomain, not an owned domain.

[1]Sources checked:
Multiple aliases
Yes

Official sources conflict on the free alias limit; see the unresolved research issue.

[1]Sources checked:
Yes
[1]Sources checked:
Two-factor authentication
Not confirmed
Not confirmed
Zero-access mailbox encryption
Not confirmed
Not confirmed
End-to-end encryption available
Not confirmed
Not confirmed
Hide your main address
Yes
[2]Sources checked:
Yes
[2]Sources checked:
Attachments
Yes

Messages with attachments over 10 MB are not forwarded; some embedded images may also be omitted.

[2]Sources checked:
Yes

Messages with attachments over 10 MB are not forwarded; some embedded images may also be omitted.

[2]Sources checked:
Mobile app
Not confirmed
Not confirmed
IMAP access
Not confirmed
Not confirmed
SMTP access
Not confirmed
Not confirmed
API access
Not confirmed
Not confirmed
Inbox protected by an access credential
Not confirmed
Not confirmed
Extend address lifetime
Not confirmed
Not confirmed
Messages expire within 24 hours
Not confirmed
Not confirmed

Official sources

  1. Firefox Relay · 2026-11-02
  2. Firefox Relay Frequently Asked Questions · 2026-11-02
  3. Create an email mask through Firefox Relay · 2026-11-02
  4. Reply to forwarded emails with Firefox Relay Premium · 2026-11-02

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