Constant Contact and MailChimp Email Deliverability Comparison

In this comparison, the deliverability of Constant Contact and MailChimp is compared in detail. All available data, taking the filters into account, is used for the comparison.

Email deliverability

This comparison compares the numbers for sent emails, you can also see in which folder the emails at the email service provider ended up and how many emails were lost on the way. The numbers look better for MailChimp than for Constant Contact.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
188.444 188.526	132.072 133.710	49.818 48.915	6.554 5.901

Email deliverability rates

The following table shows the most important deliverability rates (in percent) for the compared providers. The higher the inbox rate and the lower the spam rate, the better. MailChimp beats Constant Contact in this comparison.

Inbox (%)	Spam (%)	Lost (%)
70.09 % 70.92 %	26.44 % 25.95 %	3.48 % 3.13 %

Email deliverability by category

This comparison compares the deliverability taking into account the category or the industry. The deliverability can vary greatly depending on the industry. In this comparison, MailChimp is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	14462 14767	10651 10986	3327 3333	484 448	73.65 % 74.40 %	23.01 % 22.57 %	3.35 % 3.03 %
Elektronics	14435 14320	10194 10209	3773 3679	468 432	70.62 % 71.29 %	26.14 % 25.69 %	3.24 % 3.02 %
Entertainment	14452 14389	10114 10159	3819 3764	519 466	69.98 % 70.60 %	26.43 % 26.16 %	3.59 % 3.24 %
Cosmetics & Beauty	14536 14572	10173 10287	3854 3805	509 480	69.98 % 70.59 %	26.51 % 26.11 %	3.50 % 3.29 %
Food & Drink	14361 14513	10629 10807	3275 3274	457 432	74.01 % 74.46 %	22.80 % 22.56 %	3.18 % 2.98 %
Home & Garden	14599 14768	10740 11005	3359 3366	500 397	73.57 % 74.52 %	23.01 % 22.79 %	3.42 % 2.69 %
Finance	14872 14391	9785 9600	4574 4287	513 504	65.79 % 66.71 %	30.76 % 29.79 %	3.45 % 3.50 %
Health	14414 14685	9579 9895	4331 4349	504 441	66.46 % 67.38 %	30.05 % 29.62 %	3.50 % 3.00 %
Pets	14832 13910	10846 10367	3503 3119	483 424	73.13 % 74.53 %	23.62 % 22.42 %	3.26 % 3.05 %
Sport & Fitness	14806 14110	10229 9940	4039 3697	538 473	69.09 % 70.45 %	27.28 % 26.20 %	3.63 % 3.35 %
Job & Career	13994 14187	9666 9934	3784 3789	544 464	69.07 % 70.02 %	27.04 % 26.71 %	3.89 % 3.27 %
Dating	14470 15361	9041 9745	4881 5126	548 490	62.48 % 63.44 %	33.73 % 33.37 %	3.79 % 3.19 %
Other	14211 14553	10425 10776	3299 3327	487 450	73.36 % 74.05 %	23.21 % 22.86 %	3.43 % 3.09 %

Email deliverability by email service provider

Finally, the following table compares the deliverability taking into account the email service provider. Similar to the industry, also the email service provider can affect the email deliverability in both directions – positive or negative. In this comparison, MailChimp is better than Constant Contact.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	18894 18851	12465 12530	5755 5676	674 645	65.97 % 66.47 %	30.46 % 30.11 %	3.57 % 3.42 %
Outlook Mail	18628 18409	12493 12555	5441 5256	694 598	67.07 % 68.20 %	29.21 % 28.55 %	3.73 % 3.25 %
Yahoo Mail	18686 18998	13135 13535	4894 4856	657 607	70.29 % 71.24 %	26.19 % 25.56 %	3.52 % 3.20 %
AOL Mail	17756 19210	12503 13696	4597 4913	656 601	70.42 % 71.30 %	25.89 % 25.58 %	3.69 % 3.13 %
Mail.com	18897 19176	13538 13816	4706 4754	653 606	71.64 % 72.05 %	24.90 % 24.79 %	3.46 % 3.16 %
Yandex Mail	19101 18946	13146 13194	5287 5111	668 641	68.82 % 69.64 %	27.68 % 26.98 %	3.50 % 3.38 %
GMX Mail	18856 18812	13111 13317	5069 4930	676 565	69.53 % 70.79 %	26.88 % 26.21 %	3.59 % 3.00 %
Zoho Mail	19127 19318	13811 13992	4695 4760	621 566	72.21 % 72.43 %	24.55 % 24.64 %	3.25 % 2.93 %
ProtonMail	19150 18371	13599 13268	4917 4557	634 546	71.01 % 72.22 %	25.68 % 24.81 %	3.31 % 2.97 %
Custom Mail	19349 18435	14271 13807	4457 4102	621 526	73.76 % 74.90 %	23.03 % 22.25 %	3.21 % 2.85 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.