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Simple way to filter out most of the disposable / temporary emails
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| import TTLCache from "@isaacs/ttlcache" | |
| import axios from "axios" | |
| const domainsCache = new TTLCache({ | |
| ttl: 1000 * 60 * 60 * 24, // cache for 24h | |
| }) | |
| const lists = [ | |
| "https://raw.githubusercontent.com/wesbos/burner-email-providers/master/emails.txt", // submiting my findings here | |
| "https://raw.githubusercontent.com/Igloczek/burner-email-providers/master/emails.txt", // adding my fork, as sometime PRs are stuck unmerged | |
| "https://raw.githubusercontent.com/7c/fakefilter/main/txt/data.txt", | |
| "https://raw.githubusercontent.com/unkn0w/disposable-email-domain-list/main/domains.txt", | |
| "https://raw.githubusercontent.com/disposable/disposable-email-domains/master/domains_strict.txt", | |
| "https://raw.githubusercontent.com/disposable-email-domains/disposable-email-domains/master/disposable_email_blocklist.conf", | |
| ] | |
| async function loadDomains() { | |
| const cached = domainsCache.get("domains") | |
| if (cached) { | |
| return cached | |
| } | |
| const domains = new Set() | |
| await Promise.allSettled( | |
| lists.map(async (list) => { | |
| const response = await axios.get(list) | |
| response.data.split("\n").forEach((item) => { | |
| const line = item.trim() | |
| if (line !== "" && !line.startsWith("#")) { | |
| domains.add(line) | |
| } | |
| }) | |
| }), | |
| ) | |
| domainsCache.set("domains", domains) | |
| return domains | |
| } | |
| // warm up the cache | |
| await loadDomains() | |
| // import this function whenever you need to check user email, for example before creating an account | |
| export async function verifyEmail(email) { | |
| const domains = await loadDomains() | |
| return !domains.has(email.split("@")[1]) | |
| } |
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