dev-smtp

dev-smtp

A development SMTP server with storing mails as files.

Installation

npm install --save-dev dev-smtp

Or globally:

npm install -g dev-smtp

Usage

dev-smtp [options] <path>

<path> - Path to directory to store emails (should exist).

Options

• -p, --port PORT — Port to listen for (default is 2525).
• -v, --version — Current version.

Example

Run SMTP server on port 2525 and store emails in the ./mail directory:

dev-smtp mail

Run SMTP server on port 25 and store emails in /tmp:

dev-smtp --port 25 /tmp

Directory stucture

Recieved emails are parsed and their content saved in directory:

year-month-date-hours-minutes-seconds-milliseconds-counter-subject

Where:

• Date parts is a date of email, or current date if email has no date.
• Counter is increased when server get two emails with the same date in a row.
• Subject is a subject header of email.

Directory contains this files:

• raw.eml — is a raw email data.
• headers.txt — is a parsed (decoded) headers of the email.
• message.txt — is a plain text email body (if exists).
• message.html — is an HTML email body (if exists).
• attachment_* — is an attachments of the email.

API

To use in JS/TS code:

import devSmtp from 'dev-smtp';

devSmtp( '/tmp', 2525 );

Interface of the function:

/**
 * Run development SMTP server.
 * 
 * @param mailRootDir Path to directory to store emails.
 * @param port TCP port number.
 */
function main( mailRootDir: string, port: number = 25 ): SMTPServer;

Where SMTPServer is a server object from smtp-server package.

License

MIT.