Open9

SMTPテスト用

karamawanukaramawanu

MailHog

https://github.com/mailhog/MailHog

go 68%

Docker

https://github.com/mailhog/MailHog/blob/master/README.md?plain=1

  • ESMTP server implementing RFC5321
  • Support for SMTP AUTH (RFC4954) and PIPELINING (RFC2920)
  • Web interface to view messages (plain text, HTML or source)
    • Supports RFC2047 encoded headers
  • Real-time updates using EventSource
  • Release messages to real SMTP servers
  • Chaos Monkey for failure testing
  • HTTP API to list, retrieve and delete messages
  • HTTP basic authentication for MailHog UI and API
  • Multipart MIME support
  • Download individual MIME parts
  • In-memory message storage
  • MongoDB and file based storage for message persistence
  • Lightweight and portable
  • No installation required
karamawanukaramawanu

mailpit

https://github.com/axllent/mailpit

https://mailpit.axllent.org/

https://hub.docker.com/r/axllent/mailpit

goで記述。 smtp/http web uiを単一バイナリで提供

https://github.com/axllent/mailpit/blob/develop/README.md?plain=1
-Runs entirely from a single static binary

  • Modern web UI to view emails (formatted HTML, highlighted HTML source, text, headers, raw source, and MIME attachments
    including image thumbnails), including optional [HTTPS]
  • Optional basic authentication for web UI & API
  • HTML check to test & score mail client compatibility with HTML emails
  • Link check to test message links (HTML & text) & linked images
  • Create screenshots of HTML messages via web UI
  • Mobile and tablet HTML preview toggle in desktop mode
  • Advanced [mail search]- Message tagging
  • Real-time web UI updates using web sockets for new mail & optional browser notifications for new mail (when accessed
    via either HTTPS or localhost only)
  • SMTP server with optional STARTTLS & SMTP authentication (including an
    "accept any" mode)
  • SMTP relaying (message release) - relay messages via a different SMTP server
    including an optional allowlist of accepted recipients
  • Fast SMTP processing & storing - approximately 70-100 emails per second depending on CPU, network speed & email size,
    easily handling tens of thousands of emails
  • Configurable automatic email pruning (default keeps the most recent 500 emails)
  • A simple REST API for integration testing
  • Optional webhook for received messages
  • Multi-architecture Docker images
karamawanukaramawanu

ネットサービス

https://ethereal.email/
”create account”すると、いきなりランダム発行のSMTP/IMAP/POP3認証を表示してくる。特に何も登録はいらない。

https://www.emailnator.com/
10 minutes mailとすると、ランダム文字列のメアド発行。 認証はやらない。 受信したメイル群は発行画面そのものでdownloadを押すと受信結果をダウンロードする（っぽい）

https://mailtrap.io/

テストモード付きのメイル配送サービス。

https://mailcatch.app/

https://mailmug.net/