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MailerLite Has Serious Deliverability Issues

MailerLite Has Serious Deliverability Issues

Over the last few days, there have been some grumblings about MailerLite – one of the top email marketing apps, for both ecommerce and general uses – being blacklisted by Spamhaus, which gives realtime analysis on various internet threats, including spam.

We go over what the issues are, whether it will affect you, and what you can do about it.

So what happened with MailerLite and Spamhaus?

Sometime in July, MailerLite’s IP addresses were blacklisted by Spamhaus for having high complaints and probable spam.

On August 1, 2018, MailerLite users received the following notice:

“On the 1st of August, some of our email sending servers were blacklisted by Spamhaus. This had an impact on your campaign results because Spamhaus data is used by email providers like Outlook, Hotmail and others. In some cases, your emails might have ended up in the Spam folder.”

In order to address these issues, MailerLite is working on implementing the following actions.

The first has been done immediately:

“What we know and how we are addressing it:

  • claimed that our domains matched a type of snowshoe spamming pattern. Even though we’ve been operating smoothly with these domains for quite some time, their system suddenly flagged us now.
  • In response, we reworked our mail server structure on Friday to solve this issue.
  • We also raised our content standards even higher when accepting new accounts. Most of our current senders that were not abiding by the highest email marketing practices were put on hold.”

And the second is to be implemented in the ongoing future:

“What we will do so that this doesn’t happen again:

  • We implemented a new process to ensure our structure is sound and that we are monitoring and improving its content and consistency.
  • We will implement several new content checks as part of our standard procedure.
  • We will continue to look for new ways to identify bad senders and questionable content during the approval process.

We have provided Spamhaus with all the necessary information and are waiting for them to remove our servers from the blacklist.”

Pretty sucky, but all right – at least it seems like they’re handling it.

So on to the next question.

Will this affect your email marketing campaigns?

We can’t say that it will definitely affect your email marketing campaigns.

This is what we’ve gathered, based on the situation:

  • All ESPs (email service providers) put users in certain IP pools. This means that, for example, 10 different users with 10 different domains will be sending emails to their subscribers from the same IP address.
  • Let’s say that users A, B, and C send emails to their subscribers once a week. And let’s assume that users D, E, and F send emails roughly twice a week. Then let’s say that H and I send emails every day, and the last two, J and K, send emails multiple times a day.
  • Let’s further assume that users A-I are following best practices (no purchased lists, easy unsubscribe, regular list clean-up, etc.), but J and K are not the best – J is just sloppy and lazy, so he bought cheap lists, and K is malicious, using black hat, spammy tactics.

No matter how great everyone else is, J and K’s actions will cause that IP to be blacklisted.

Well, that is, if the ESP is not proactive in monitoring users for spammy actions.

If the ESP has – and follows – a good bounce threshold, it should be able to catch these bad actors before they negatively impact the IP pool.

Unfortunately, that’s just not the case with MailerLite.

No matter how great MailerLite may be – and the price is certainly nice – they are known for being quite lax in how they respond to spam complaints against their users.

Whether it will affect regular users,  here’s one response from a user on a popular author forum:

Mailerlite deliverability problems

One week later, and there’s still some problems with MailerLite’s deliverability.

What can I do about the MailerLite deliverability issues?

At the moment, the best approach is the wait-and-see approach.

One user recommends contacting them via chat and asking to move your account to a different IP, if the IP has been (or is in trouble of being) blacklisted:

“Contact them via chat. I did that this morning and the rep was very helpful. She moved my account to an unaffected server and said my campaigns could now be sent as normal. I hope this is the truth. She also said to log out and log back in and the message regarding the issue would be gone. It was.”

For everything else, it might also be time to consider another ESP. If the problem persists, you have to understand that at the end of the day your number one concern is your sales – and that includes your brand.

If your brand is untrustworthy – coming with warning messages that your emails might not be safe – it will affect your sales.

If your emails end up in spam, then it will definitely affect your sales.

If the problem persists, we highly recommend you consider moving to another service: anything like the popular MailChimp, AWeber, Constant Contact, Omnisend, etc.

Let us know in the comments below if you’ve been affected by this issue. We’d love to hear from you!

  • Siim
    Posted at 07:24h, 20 October Reply

    4 months later and they still have issues, opening rates are really low, pointless to send any emails to subscribers. Also their customer support just said that they have now problems with Google. So this is really bad as we know most of the people use Google G-mail!

  • lynn
    Posted at 11:00h, 20 October Reply

    I just started with MailerLite last month. How would I know if I had been placed in a bad server group?

    • TopEcommerceApps
      Posted at 12:20h, 20 October Reply

      The best thing to do would be to ask MailerLite about your server status. If everything’s fine, and your open rates are ok, then you don’t have anything to worry about.

  • Peter
    Posted at 08:10h, 03 February Reply

    mailer lite has serious issues delivering to the and

    I have tested this and have actually got friends to be added to my list.

    Mailer lite emails at times does not even hit the spam folders.

    It is actuallyq quite crazy and I think if you are serious about making moeny, forget mailer lite.

    I have noticed that most of my users have not opened their emails compared to all my users who have a much higher open rates.

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