Sendmail configurator: Alternative to Sendmail

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## 2. Alternative to `Sendmail`

`Sendmail` is not always needed. Here are some reason why you may want `Sendmail` or not.

- There is already a mail server in your organization and it is reachable over the local network. You don't need Sendmail. Use a mail program (user interface) which support the `SMTP` and `POP` or `IMAP` protocols.
- Your computer talk UUCP with other computers (using a modem) and you want to exchange email. Use Sendmail here.

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