• Write Effective Subject Lines

    The Subject Line Researcher Project The nerds in MailChimp Labs recently unveiled a new experiment called the Subject Line Researcher. It's kind of like Google's Keyword Tool, but for email marketing. And it's free for all MailChimp users. To test your subject line go to the Setup step of the…

  • How do I get my emails to the Primary tab in Gmail?

    Gmail has added a new feature called Tabs to your inbox. This feature is designed to make your inbox easier to manage by using different tabs to automatically organize your incoming mail into categories There are some great resources out there on how to set up tabs and what they…

  • Set Up MailChimp Authentication

    Authentication is sort of like a license plate for your email. It provides a trackable identifier that indicates you're a legit emailer. Contents Types of authentication Set up MailChimp authentication Set up your own authentication Types of authentication There are four different types of authentication you have to take into…

  • Why MailChimp Doesn’t Clean Lists

    MailChimp is an email-marketing service provider used to design and send emails, manage your subscribers, and track your campaign's performance. Our tools focus on maintaining subscriber information, bounce data, and unsubscribes as a way to maintain list health over the life of a campaign. If your list needs to be…

  • How fast does MailChimp deliver email?

    The time it takes to deliver your campaign to your entire list depends on the size of your list, and on the current mail queue at MailChimp. Technically it could take us 45 minutes to send 1 million emails. Beyond this ISPs require messages be throttled to groups of 2,000…

  • 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 and give a strong indication whether a hard bounced email address should be added back to your list. In this article we mention some common…

  • I’m not receiving my test campaigns.

    If you're sending yourself (or your client) test campaigns from MailChimp, but you haven't received any of the emails, here's what to check: What email address did you send the test to? It may be your email server. Send the test campaigns to as many "external" test accounts as possible…

  • My subscribers aren’t receiving my campaigns.

    The most common reason subscribers don't see your email in their inboxes is because it's landing in spam folders. If your recipients have checked their spam or junk folders, though, there are a few more things to check: Is a particular subscriber not getting your emails? Ask them to add…

  • Enable Company Whitelisting

    If you're sending to a group of people at a client company, and the emails aren't being received, it's probably their email firewall blocking the delivery. It tends to look suspicious when multiple people at one company are getting the same email at the same time and as a result…

  • Troubleshooting Authentication Issues with Outlook

    We encourage all of our users to have authentication selected for their campaigns. It's on by default. Authentication causes Outlook to process emails in a weird way. It processes the following 3 different email addresses whenever it receives your email. The From Name: The Reply To Name: (This is the…