HOW TO FIX AN EMAIL ADDRESS THAT HARD BOUNCED ON MAILCHIMP

Find below how to fix a hard-bounced email address on Mailchimp. Steps & instructions for managing or cleaning hard-bounced emails on Mailchimp.

Follow the below instructions.

Brought to you by Mau, a Senior Mailchimp email marketing specialist at eDigital.

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WHY DO VALID EMAIL ADDRESSES ON MY MAILCHIMP DATABASE HARD BOUNCE?

Valid email addresses subscribed to your Mailchimp database can hard bounce for some reason. Some of the top reasons are:

  • Blocked by a company firewall or filter. a spam filter may have interpreted your email content as spam. Spam filters can be on the recipient’s computer, on their company’s email firewall, or at their ISP/Data centre. If the spam filter or firewall detects you are sending too many eDMs to a recipient in the company, the filter or firewall may interpret a bulk send as spam.
  • Blocked by a major ISP ie. Gmail/Yahoo/Hotmail. This is typically only temporary and usually unblocks senders within a couple of days after spam complaints subside. If your “From email address” is at Yahoo or AOL and you see a high number of bounces, it is likely that the delivery of your campaign was affected by changes in DMARC policies

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HOW TO FIX AN EMAIL ADDRESS THAT HARD BOUNCED ON MAILCHIMP

  1. The easiest is to ask your subscriber to re-subscribe or directly re-subscribe to the email address.
  2. Ask the hard-bounced unsubscribed email address owner to check their company firewall and make sure Mailchimp IP addresses (below) are allowed.
  3. Ask your subscribers to add you to their address book or set up an email address using a private domain name (not Gmail, Yahoo, etc.)
  4. Email campaigns sent through Mailchimp’s servers are authenticated for you with every email campaign you send, but you can also set up your own authentication.

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KNOW HOW SPAM FILTERS AND FIREWALLS WORK TO DENY EMAIL RECEPTION

Every spam filter or firewall function is different. However, there are some common criteria for deciding what is spam.

  • Your email will be flagged l if your recipient is addressed to their email address and not their name. How to fix: Use merge tags to personalize the “To:” field of your email.
  • Spam filters will also look to see if you (the sender) are already on your recipient’s contact list. Spam filters usually judge senders that use anonymous and free email addresses for their “from” email, such as Gmail, more harshly than verified email domains. However, even private domains will develop their own good or bad sending reputations. You can verify your email domain by visiting the “Domains” section on your Mailchimp account settings.
  • If you have a brand new domain you might want to have a plan to progressively send your eDMs. Let’s say your total database is 100,000 subscribers, then you start with 20.000 and every month you add 10.000 to your eDMs. This will help your reputation to be established.
  • Avoid link shorteners, sloppy code or code copy/paste from a Microsoft Word document.

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ASK RECIPIENT TO ALLOW MAILCHIMP DELIVERY IPs ON THEIR FIREWALL

Below are Mailchimp delivery IPs…

  • 205.201.128.0/20
  • 198.2.128.0/18
  • 148.105.0.0/16

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CONCLUSION

Managing hard-bounced emails on Mailchimp is an important task of effective email marketing.

It helps maintain the sender’s reputation, improve email deliverability, save costs, ensure compliance with regulations, enhance engagement metrics, provide a better customer experience, maintain data accuracy, repair reputation when needed and enable accurate tracking and reporting.

By regularly cleaning and maintaining your Mailchimp email list, you can maximise the effectiveness of your email marketing efforts while minimising potential drawbacks.

eDigital can help you conceptualise, plan, develop, run and optimise successful Mailchimp email marketing campaigns that generate leads and sales for your brand.

Our digital marketing services include:

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HOW TO FIX AN EMAIL ADDRESS THAT HARD BOUNCED ON MAILCHIMP

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