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I know this email address is valid, but it hard bounced

Valid email addresses can hard bounce for many reasons. Reading bounce headers (SMTP replies) can provide insight on what caused an address to hard bounce.

Design an Email with the Legacy Builder

Get tips for using layout, calls to action, style, branding, content, tone, and testing in your campaign in our legacy builder.

Delete a Group

Delete a group name or category if you no longer need it to organize your contacts.

Create Unique URLs for Subscribers

In Mailchimp, you can create unique campaign URLs for subscribers so each subscriber gets different links.

Create a New Audience Group

Use groups to let contacts categorize themselves based on their interests and preferences.

Create Editable Content Areas with Mailchimp's Template Language

With Mailchimp's template language, you can create content areas that are editable in the Campaign Builder. Get tips for creating editable spaces.

Avoid Outlook's Junk Folder

Microsoft Outlook is a common email client with strict spam filters. Keep your campaigns out of Outlook's junk folder.

Anti-Spam Requirements for Email

Learn about anti-spam requirements for Mailchimp's email platform and make sure your campaigns are compliant.

Alternative Physical Address Ideas

Suggestions on alternate ways to include a physical address for your email campaigns to be compliant with the CAN-SPAM ACT.

Add Subscribed Contacts to Groups

Groups let you ask subscribed contacts to categorize themselves based on common interests or preferences. You can use group data to help you send targeted campaigns.

Add and Track Videos with Wistia

When subscribers click and watch a video from your email campaign, Wistia will track the views.

Add a Background Image to a Custom HTML Template

Add a background or hero image to your campaigns with custom HTML email templates. Get tips to test your images and fix common issues.