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
311.141 310.917	229.495 232.462	69.718 67.468	11.928 10.987

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 (%)
73.76 % 74.77 %	22.41 % 21.70 %	3.83 % 3.53 %

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	24027 24076	18452 18742	4684 4563	891 771	76.80 % 77.85 %	19.49 % 18.95 %	3.71 % 3.20 %
Elektronics	23793 24049	17741 18177	5208 5077	844 795	74.56 % 75.58 %	21.89 % 21.11 %	3.55 % 3.31 %
Entertainment	23869 23612	17568 17548	5359 5172	942 892	73.60 % 74.32 %	22.45 % 21.90 %	3.95 % 3.78 %
Cosmetics & Beauty	24048 23964	17726 17873	5401 5238	921 853	73.71 % 74.58 %	22.46 % 21.86 %	3.83 % 3.56 %
Food & Drink	23914 23857	18477 18603	4634 4496	803 758	77.26 % 77.98 %	19.38 % 18.85 %	3.36 % 3.18 %
Home & Garden	23891 24249	18328 18881	4692 4617	871 751	76.72 % 77.86 %	19.64 % 19.04 %	3.65 % 3.10 %
Finance	24230 23861	16965 17007	6283 5921	982 933	70.02 % 71.28 %	25.93 % 24.81 %	4.05 % 3.91 %
Health	23535 24048	16662 17311	5919 5868	954 869	70.80 % 71.99 %	25.15 % 24.40 %	4.05 % 3.61 %
Pets	24370 23284	18534 18039	4962 4447	874 798	76.05 % 77.47 %	20.36 % 19.10 %	3.59 % 3.43 %
Sport & Fitness	24416 23482	17754 17401	5716 5223	946 858	72.71 % 74.10 %	23.41 % 22.24 %	3.87 % 3.65 %
Job & Career	23640 23761	17111 17393	5545 5437	984 931	72.38 % 73.20 %	23.46 % 22.88 %	4.16 % 3.92 %
Dating	23959 24794	16296 17073	6617 6757	1046 964	68.02 % 68.86 %	27.62 % 27.25 %	4.37 % 3.89 %
Other	23449 23880	17881 18414	4698 4652	870 814	76.25 % 77.11 %	20.03 % 19.48 %	3.71 % 3.41 %

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	31193 31149	21965 22144	7976 7769	1252 1236	70.42 % 71.09 %	25.57 % 24.94 %	4.01 % 3.97 %
Outlook Mail	30842 30651	21926 22159	7624 7320	1292 1172	71.09 % 72.29 %	24.72 % 23.88 %	4.19 % 3.82 %
Yahoo Mail	31010 31168	22806 23262	6977 6782	1227 1124	73.54 % 74.63 %	22.50 % 21.76 %	3.96 % 3.61 %
AOL Mail	30172 31408	22223 23408	6705 6864	1244 1136	73.65 % 74.53 %	22.22 % 21.85 %	4.12 % 3.62 %
Mail.com	31281 31264	23416 23609	6692 6548	1173 1107	74.86 % 75.51 %	21.39 % 20.94 %	3.75 % 3.54 %
Yandex Mail	31230 31175	22505 22801	7456 7186	1269 1188	72.06 % 73.14 %	23.87 % 23.05 %	4.06 % 3.81 %
GMX Mail	30955 31158	22892 23485	6885 6639	1178 1034	73.95 % 75.37 %	22.24 % 21.31 %	3.81 % 3.32 %
Zoho Mail	31361 31501	23735 24033	6539 6454	1087 1014	75.68 % 76.29 %	20.85 % 20.49 %	3.47 % 3.22 %
ProtonMail	31484 30651	23703 23495	6672 6165	1109 991	75.29 % 76.65 %	21.19 % 20.11 %	3.52 % 3.23 %
Custom Mail	31613 30792	24324 24066	6192 5741	1097 985	76.94 % 78.16 %	19.59 % 18.64 %	3.47 % 3.20 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.