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143 lines
4.7 KiB
Markdown
Executable File
143 lines
4.7 KiB
Markdown
Executable File
List of disposable email domains
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========================
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[](https://creativecommons.org/publicdomain/zero/1.0/)
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This repo contains a [list of disposable and temporary email address domains](disposable_email_blacklist.conf) often used to register dummy users in order to spam/abuse some services.
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Originally collected to filter new user registration at https://usegalaxy.org and later merged with other lists found online. I cannot guarantee all of these can still be considered disposable but they probably were at one point in time.
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Whitelist
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=========
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The file [whitelist.conf](whitelist.conf) gathers email domains that are often identified as disposable but in fact are not.
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Example Usage
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=============
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**Python**
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```Python
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blacklist = ('disposable_email_blacklist.conf')
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blacklist_content = [line.rstrip() for line in blacklist.readlines()]
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if email.split('@')[1] in blacklist_content:
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message = "Please enter your permanent email address."
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return (False, message)
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else:
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return True
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```
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Available as [PyPI module](https://pypi.python.org/pypi/disposable-email-domains) thanks to @di
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```
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>>> from disposable_email_domains import blacklist
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>>> 'bearsarefuzzy.com' in blacklist
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True
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```
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**PHP** contributed by @txt3rob and @deguif
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```php
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function is_temp_mail($mail) {
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$mail_domains_ko = file('disposable_email_blacklist.conf', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
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//Need to ensure the mail contains an @ to avoid undefined offset
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return in_array(explode('@', $mail)[1], $mail_domains_ko);
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}
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```
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**Ruby on Rails** contributed by @MitsunChieh
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In resource model, usually it is `user.rb`
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```Ruby
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before_validation :reject_email_blacklist
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def reject_email_blacklist
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blacklist = File.read('config/disposable_email_blacklist.conf').split("\n")
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if blacklist.include?(email.split('@')[1])
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errors[:email] << 'invalid email'
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return false
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else
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return true
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end
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end
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```
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**NodeJs** contributed by @martin-fogelman
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```Node
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'use strict';
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const readline = require('readline'),
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fs = require('fs');
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const input = fs.createReadStream('./disposable_email_blacklist.conf'),
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output = [],
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rl = readline.createInterface({input});
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// PROCESS LINES
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rl.on('line', (line) => {
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console.log(`Processing line ${output.length}`);
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output.push(line);
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});
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// SAVE AS JSON
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rl.on('close', () => {
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try {
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const json = JSON.stringify(output);
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fs.writeFile('disposable_email_blacklist.json', json, () => console.log('--- FINISHED ---'));
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} catch (e) {
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console.log(e);
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}
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});
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```
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**C#**
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```C#
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private static readonly Lazy<HashSet<string>> _emailBlackList =
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new Lazy<HashSet<string>>(
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() =>
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{
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var result = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
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using (var reader = new StreamReader("disposable_email_blacklist.conf"))
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{
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string line;
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while ((line = reader.ReadLine()) != null)
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if (!string.IsNullOrWhiteSpace(line) && !line.TrimStart().StartsWith("//"))
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result.Add(line);
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}
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return result;
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});
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private static bool IsBlacklisted(string domain)
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{
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var parts = domain.Split('.');
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var len = parts.Length;
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return
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len == 1 && _emailBlackList.Value.Contains(domain)
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|| _emailBlackList.Value.Contains($"{parts[len - 2]}.{parts[len - 1]}")
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|| len > 2 && _emailBlackList.Value.Contains($"{parts[len - 3]}.{parts[len - 2]}.{parts[len - 1]}");
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}
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...
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var addr = new MailAddress(email);
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if (IsBlacklisted(addr.Host)))
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throw new ApplicationException("Email is blacklisted.");
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```
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Contributing
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============
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Feel free to create PR with additions or request removal of some domain (with reasons).
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Use
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`$ cat disposable_email_blacklist.conf your_file | tr '[:upper:]' '[:lower:]' | sort -f | uniq -i > new_file.conf`
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`$ comm -23 new_file.conf whitelist.conf > disposable_email_blacklist.conf`
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to add contents of another file in the same format (only second level domains on new line without @). It also converts uppercase to lowercase, sorts, removes duplicates and removes whitelisted domains.
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Changelog
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============
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* 7/31/17 @deguif [joined](https://github.com/martenson/disposable-email-domains/issues/106) as a core maintainer of this project. Thanks!
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* 12/6/16 - Available as [PyPI module](https://pypi.python.org/pypi/disposable-email-domains) thanks to @di
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* 7/27/16 - Converted all domains to the second level. This means that starting from [this commit](https://github.com/martenson/disposable-email-domains/commit/61ae67aacdab0b19098de2e13069d7c35b74017a) the implementers should take care of matching the second level domain names properly i.e. `@xxx.yyy.zzz` should match `yyy.zzz` in blacklist more info in [#46](https://github.com/martenson/disposable-email-domains/issues/46)
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