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Receiving Emails

Learn how to receive and inspect emails in your Mailloop sandbox.

3 min read

This guide explains how to receive and work with emails in Mailloop.

Inbox Addresses

Every sandbox has a primary inbox address. Any email sent to your sandbox will be delivered to this inbox regardless of the recipient address.

Primary Address Format

TEXT
anything@your-sandbox-username.mailloop.io

You can use any local part (before the @) with your sandbox domain.

Email Labels

Organize incoming emails using labels. Labels can be applied automatically using email aliases.

Creating Labels

  1. Go to your sandbox settings
  2. Click "Create Label"
  3. Choose a name and color
  4. Save the label

Label Aliases

Create aliases that automatically apply labels to incoming emails:

TEXT
username+label@sandbox.mailloop.io

For example, if you create a label called "notifications":

TEXT
myapp+notifications@myapp.mailloop.io

All emails sent to this address will automatically be labeled as "notifications".

Viewing Email Content

Click on any email in your inbox to view its full content:

HTML View - Rendered HTML version of the email

Text View - Plain text version

Headers - Full email headers including routing information

Attachments - Download any attached files

Email Metadata

Each email includes detailed metadata:

  • From - Sender address
  • To - Recipient address(es)
  • CC/BCC - Carbon copy recipients
  • Subject - Email subject line
  • Date - When the email was received
  • Message ID - Unique identifier
  • In-Reply-To - Reference to previous email in thread

Searching Emails

Use the search bar to find specific emails:

TEXT
Search by subject, sender, or content

Filters:

  • Unread only - Show only unread emails
  • By label - Filter by specific labels
  • Date range - Filter by date received

Email Retention

Emails in your sandbox are retained based on your plan:

  • Free Plan - 7 days retention
  • Pro Plan - 30 days retention
  • Enterprise Plan - 90 days retention

Managing Your Inbox

Mark as Read - Click the checkbox to mark emails as read

Delete - Remove emails you no longer need

Bulk Actions - Select multiple emails for batch operations

Export - Download emails in EML format

Email Scoring

Mailloop analyzes incoming emails and provides a quality score based on:

  • Spam indicators - Checks for common spam patterns
  • Authentication - SPF, DKIM, DMARC validation
  • Content quality - HTML structure and best practices
  • Deliverability - Likelihood of reaching inbox vs spam folder

Use this score to improve your email templates before production deployment.