Open-source email alias service owned by Proton; self-hostable, crypto via reseller
Privacy 6.7
Safety 6.6
Email Aliases Reviewed 22 Oct 2026
addy.io review
Open-source email forwarding with on-the-fly aliases; yearly plans payable in crypto
- Open source
- Email required
No ID mentioned KYC 1 Documentation reviewed
Privacy
6.3/ 10
Fair
Safety
6.1/ 10
Fair
Based on terms and documentation. No test transactions published yet. See the arithmetic
addy.io review in short
addy.io is an email alias service. Its terms put it at KYC level 1 of 4: no ID mentioned. NoKYC Score grades it 6.3/10 for privacy (fair) and 6.1/10 for safety (fair). In its favour: open source. To watch: it requires an email address. No incidents are on record.
- Category
- Email Aliases
- KYC level
- 1 of 4: No ID mentioned
- Grades
- Privacy 6.3/10, Safety 6.1/10
- Sign-up
- Email required
- Fees
- Free tier; Lite $1/month and Pro $3/month, both billed yearly
- Incidents on record
- 0
- Last reviewed
- 22 Oct 2026
Cite this review
NoKYC Score, "addy.io review", reviewed 22 Oct 2026, https://nokycscore.com/service/addy-io
Also available as plain text.
What addy.io is
addy.io is an open-source email forwarding service whose source repository still carries its earlier name, AnonAddy. Users pick a username and can then create aliases on the fly, switching off any alias that starts receiving spam. The FAQ says emails are stored only after a failed delivery, and only if the user enables that option, and that the main server is in Amsterdam with a backup mail server in Warsaw. Forwarded mail can be encrypted with the user's OpenPGP key. Plans run from a free tier to Lite at $1 per month billed yearly and Pro at $3 per month billed yearly; payment is by card or PayPal, or by cryptocurrency for yearly plans. The application can also be self-hosted.
What addy.io offers, and what to watch
1 of 13 privacy and safety features, 1 warning in its terms.
"Not stated" means its own pages do not say.
Identity
- ID never required Not stated
- No account needed No
- No email needed No
- No phone number Not stated
Payment
- Accepts Monero Not stated
- Accepts Lightning Not stated
Access
- Tor onion address Not stated
- Works without JavaScript Not stated
Trust
- Open source Yes The code that matters is public and can be inspected.
- No-logs policy Not stated
- Independent audit Not stated
- Company named Not stated
- 5+ years operating Not stated
Warnings
- May ask for ID Not in terms
- Email required Yes An email address is required to use the service.
- Phone number required Not in terms
- Closed source Not in terms
- Nobody accountable Not in terms
Does addy.io require KYC?
- 0 Never
- 1 Not mentioned
- 2 Rare
- 3 On risk flag
- 4 Mandatory
KYC level 1: No ID mentioned. No identity requirement appears anywhere in the terms or documentation.
Sign-up needs a username and a recipient mailbox; no identity documents are mentioned.
How the grades add up
Both grades start at 50 points and move by fixed, published amounts. Nothing is adjusted by hand. The total is divided by ten.
Privacy
6.3- Starting points 50
- KYC level 1: No ID mentioned +12
- Open source +2
- Self-hostable +3
- Requires email -4
- Total, clamped to 0–100 63
Safety
6.1- Starting points 50
- Open source +8
- Self-hostable +3
- Total, clamped to 0–100 61
Test ledger
Real transactions run by our editors. A badge without a ledger is an assertion; this is the proof.
No test transactions published yet
The grades above rest on addy.io’s terms and documentation. Tests will appear here with the date, route, amount band and result as they are run.
Incidents on record
No incidents are on record for addy.io. If you have a documented case, report it.
User reviews
Reviews never change a grade. Reviews with a transaction reference are marked.
No reviews yet.
Write a review
Create an account to write a review. It takes ten seconds and needs no email: you get a random key and a random name. Already have a key? Sign in.
Alternatives to addy.io
All alternatives → 
Open-source email forwarding and hosting that processes forwarded mail in memory
Privacy 6.0
Safety 6.3
Open-source password and email alias manager with a built-in mail server
Privacy 6.7
Safety 6.1
Mozilla's email-masking service; requires an account with a verified email
Privacy 6.0
Safety 5.8
addy.io vs SimpleLoginaddy.io vs Forward Emailaddy.io vs AliasVaultaddy.io vs Firefox Relay
addy.io: common questions
Does addy.io require KYC?
addy.io is rated KYC level 1 of 4 on this site: no ID mentioned. Sign-up needs a username and a recipient mailbox; no identity documents are mentioned.
Is addy.io safe to use?
addy.io has a Safety grade of 6.1 out of 10 and a Privacy grade of 6.3 out of 10. No incidents are on record. Evidence level: documentation reviewed.
Is addy.io legit?
addy.io is a working email alias service. Being real is not the same as being safe: its Safety grade here is 6.1 out of 10, built from custody, liquidity, track record and incidents.
Is addy.io a scam?
NoKYC Score does not label services as scams; it records documented incidents with their sources and outcomes. No incidents are on record for addy.io.
Do I need an account or email to use addy.io?
Email required.
What fees does addy.io charge?
Free tier; Lite $1/month and Pro $3/month, both billed yearly. Fees were recorded from addy.io's own pages and can change; check before you send.
Does addy.io have a Tor onion address?
No official onion address was found on addy.io's own pages.
Can I use addy.io over Tor?
addy.io does not publish an official onion address.
Listing history
- Listing added. Facts and KYC level set from the service's own terms and documentation.