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
277.336 277.139	202.688 205.299	64.216 62.304	10.432 9.536

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 (%)
73.08 % 74.08 %	23.15 % 22.48 %	3.76 % 3.44 %

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	21366 21575	16287 16668	4308 4226	771 681	76.23 % 77.26 %	20.16 % 19.59 %	3.61 % 3.16 %
Elektronics	21303 21407	15737 16015	4827 4698	739 694	73.87 % 74.81 %	22.66 % 21.95 %	3.47 % 3.24 %
Entertainment	21335 21092	15572 15536	4941 4783	822 773	72.99 % 73.66 %	23.16 % 22.68 %	3.85 % 3.66 %
Cosmetics & Beauty	21426 21360	15655 15779	4977 4832	794 749	73.07 % 73.87 %	23.23 % 22.62 %	3.71 % 3.51 %
Food & Drink	21291 21278	16317 16462	4261 4150	713 666	76.64 % 77.37 %	20.01 % 19.50 %	3.35 % 3.13 %
Home & Garden	21367 21571	16264 16662	4332 4267	771 642	76.12 % 77.24 %	20.27 % 19.78 %	3.61 % 2.98 %
Finance	21645 21157	14990 14893	5806 5453	849 811	69.25 % 70.39 %	26.82 % 25.77 %	3.92 % 3.83 %
Health	20888 21493	14616 15280	5452 5451	820 762	69.97 % 71.09 %	26.10 % 25.36 %	3.93 % 3.55 %
Pets	21781 20682	16445 15927	4564 4076	772 679	75.50 % 77.01 %	20.95 % 19.71 %	3.54 % 3.28 %
Sport & Fitness	21782 20886	15695 15354	5256 4798	831 734	72.05 % 73.51 %	24.13 % 22.97 %	3.82 % 3.51 %
Job & Career	20930 21164	15009 15371	5052 4984	869 809	71.71 % 72.63 %	24.14 % 23.55 %	4.15 % 3.82 %
Dating	21291 22185	14258 15052	6126 6305	907 828	66.97 % 67.85 %	28.77 % 28.42 %	4.26 % 3.73 %
Other	20931 21289	15843 16300	4314 4281	774 708	75.69 % 76.57 %	20.61 % 20.11 %	3.70 % 3.33 %

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	27701 27754	19273 19499	7340 7186	1088 1069	69.58 % 70.26 %	26.50 % 25.89 %	3.93 % 3.85 %
Outlook Mail	27562 27167	19390 19448	7039 6731	1133 988	70.35 % 71.59 %	25.54 % 24.78 %	4.11 % 3.64 %
Yahoo Mail	27534 27862	20076 20614	6388 6257	1070 991	72.91 % 73.99 %	23.20 % 22.46 %	3.89 % 3.56 %
AOL Mail	26726 28028	19550 20745	6122 6320	1054 963	73.15 % 74.02 %	22.91 % 22.55 %	3.94 % 3.44 %
Mail.com	27825 27985	20662 20948	6138 6061	1025 976	74.26 % 74.85 %	22.06 % 21.66 %	3.68 % 3.49 %
Yandex Mail	27972 27773	19987 20140	6869 6607	1116 1026	71.45 % 72.52 %	24.56 % 23.79 %	3.99 % 3.69 %
GMX Mail	27620 27692	20187 20643	6382 6149	1051 900	73.09 % 74.54 %	23.11 % 22.20 %	3.81 % 3.25 %
Zoho Mail	27963 28148	20987 21272	6025 5984	951 892	75.05 % 75.57 %	21.55 % 21.26 %	3.40 % 3.17 %
ProtonMail	28188 27292	21001 20707	6197 5720	990 865	74.50 % 75.87 %	21.98 % 20.96 %	3.51 % 3.17 %
Custom Mail	28245 27438	21575 21283	5716 5289	954 866	76.39 % 77.57 %	20.24 % 19.28 %	3.38 % 3.16 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.