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
250.182 249.617	181.068 183.063	59.853 58.166	9.261 8.388

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 (%)
72.37 % 73.34 %	23.92 % 23.30 %	3.70 % 3.36 %

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	19283 19344	14589 14804	4014 3935	680 605	75.66 % 76.53 %	20.82 % 20.34 %	3.53 % 3.13 %
Elektronics	19220 19242	14043 14234	4512 4389	665 619	73.06 % 73.97 %	23.48 % 22.81 %	3.46 % 3.22 %
Entertainment	19265 18999	13930 13867	4601 4466	734 666	72.31 % 72.99 %	23.88 % 23.51 %	3.81 % 3.51 %
Cosmetics & Beauty	19268 19276	13938 14095	4632 4516	698 665	72.34 % 73.12 %	24.04 % 23.43 %	3.62 % 3.45 %
Food & Drink	19127 19191	14541 14722	3956 3879	630 590	76.02 % 76.71 %	20.68 % 20.21 %	3.29 % 3.07 %
Home & Garden	19335 19521	14600 14951	4040 3997	695 573	75.51 % 76.59 %	20.89 % 20.48 %	3.59 % 2.94 %
Finance	19581 19058	13401 13242	5433 5097	747 719	68.44 % 69.48 %	27.75 % 26.74 %	3.81 % 3.77 %
Health	18844 19412	13020 13651	5097 5114	727 647	69.09 % 70.32 %	27.05 % 26.34 %	3.86 % 3.33 %
Pets	19641 18600	14711 14220	4243 3787	687 593	74.90 % 76.45 %	21.60 % 20.36 %	3.50 % 3.19 %
Sport & Fitness	19682 18792	14048 13673	4898 4461	736 658	71.37 % 72.76 %	24.89 % 23.74 %	3.74 % 3.50 %
Job & Career	18845 19010	13396 13695	4674 4616	775 699	71.09 % 72.04 %	24.80 % 24.28 %	4.11 % 3.68 %
Dating	19251 20030	12695 13370	5753 5933	803 727	65.94 % 66.75 %	29.88 % 29.62 %	4.17 % 3.63 %
Other	18840 19142	14156 14539	4000 3976	684 627	75.14 % 75.95 %	21.23 % 20.77 %	3.63 % 3.28 %

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	24980 25050	17160 17390	6852 6729	968 931	68.69 % 69.42 %	27.43 % 26.86 %	3.88 % 3.72 %
Outlook Mail	24805 24353	17264 17242	6549 6251	992 860	69.60 % 70.80 %	26.40 % 25.67 %	4.00 % 3.53 %
Yahoo Mail	24812 25136	17928 18423	5935 5834	949 879	72.26 % 73.29 %	23.92 % 23.21 %	3.82 % 3.50 %
AOL Mail	24066 25225	17460 18499	5673 5877	933 849	72.55 % 73.34 %	23.57 % 23.30 %	3.88 % 3.37 %
Mail.com	25145 25262	18517 18731	5709 5662	919 869	73.64 % 74.15 %	22.70 % 22.41 %	3.65 % 3.44 %
Yandex Mail	25238 25029	17883 17995	6386 6144	969 890	70.86 % 71.90 %	25.30 % 24.55 %	3.84 % 3.56 %
GMX Mail	24926 25000	18004 18408	5982 5784	940 808	72.23 % 73.63 %	24.00 % 23.14 %	3.77 % 3.23 %
Zoho Mail	25319 25374	18834 18985	5632 5601	853 788	74.39 % 74.82 %	22.24 % 22.07 %	3.37 % 3.11 %
ProtonMail	25360 24538	18672 18412	5801 5364	887 762	73.63 % 75.03 %	22.87 % 21.86 %	3.50 % 3.11 %
Custom Mail	25531 24650	19346 18978	5334 4920	851 752	75.77 % 76.99 %	20.89 % 19.96 %	3.33 % 3.05 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.