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
402.367 401.329	301.987 305.310	84.582 81.246	15.798 14.773

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 (%)
75.05 % 76.07 %	21.02 % 20.24 %	3.93 % 3.68 %

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	30976 30997	24160 24500	5678 5482	1138 1015	78.00 % 79.04 %	18.33 % 17.69 %	3.67 % 3.27 %
Elektronics	30708 30962	23290 23813	6280 6061	1138 1088	75.84 % 76.91 %	20.45 % 19.58 %	3.71 % 3.51 %
Entertainment	30913 30509	23150 23092	6503 6234	1260 1183	74.89 % 75.69 %	21.04 % 20.43 %	4.08 % 3.88 %
Cosmetics & Beauty	30980 30907	23228 23473	6542 6300	1210 1134	74.98 % 75.95 %	21.12 % 20.38 %	3.91 % 3.67 %
Food & Drink	30988 31020	24258 24559	5647 5449	1083 1012	78.28 % 79.17 %	18.22 % 17.57 %	3.49 % 3.26 %
Home & Garden	30946 31268	24077 24723	5710 5543	1159 1002	77.80 % 79.07 %	18.45 % 17.73 %	3.75 % 3.20 %
Finance	31323 30796	22433 22417	7585 7124	1305 1255	71.62 % 72.79 %	24.22 % 23.13 %	4.17 % 4.08 %
Health	30494 31074	22117 22868	7128 7012	1249 1194	72.53 % 73.59 %	23.38 % 22.57 %	4.10 % 3.84 %
Pets	31453 30098	24236 23612	6044 5424	1173 1062	77.05 % 78.45 %	19.22 % 18.02 %	3.73 % 3.53 %
Sport & Fitness	31287 30302	23098 22798	6922 6332	1267 1172	73.83 % 75.24 %	22.12 % 20.90 %	4.05 % 3.87 %
Job & Career	30585 30670	22476 22759	6813 6634	1296 1277	73.49 % 74.21 %	22.28 % 21.63 %	4.24 % 4.16 %
Dating	31242 31848	21915 22560	7953 7984	1374 1304	70.15 % 70.84 %	25.46 % 25.07 %	4.40 % 4.09 %
Other	30472 30878	23549 24136	5777 5667	1146 1075	77.28 % 78.17 %	18.96 % 18.35 %	3.76 % 3.48 %

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	40118 40064	28861 29112	9595 9307	1662 1645	71.94 % 72.66 %	23.92 % 23.23 %	4.14 % 4.11 %
Outlook Mail	39859 39528	28875 29115	9246 8828	1738 1585	72.44 % 73.66 %	23.20 % 22.33 %	4.36 % 4.01 %
Yahoo Mail	39996 39961	29886 30275	8505 8172	1605 1514	74.72 % 75.76 %	21.26 % 20.45 %	4.01 % 3.79 %
AOL Mail	39056 40186	29184 30427	8220 8261	1652 1498	74.72 % 75.72 %	21.05 % 20.56 %	4.23 % 3.73 %
Mail.com	40259 40130	30571 30774	8129 7877	1559 1479	75.94 % 76.69 %	20.19 % 19.63 %	3.87 % 3.69 %
Yandex Mail	40334 40132	29556 29886	9093 8701	1685 1545	73.28 % 74.47 %	22.54 % 21.68 %	4.18 % 3.85 %
GMX Mail	39713 39937	30042 30679	8191 7871	1480 1387	75.65 % 76.82 %	20.63 % 19.71 %	3.73 % 3.47 %
Zoho Mail	40186 40202	30900 31177	7856 7669	1430 1356	76.89 % 77.55 %	19.55 % 19.08 %	3.56 % 3.37 %
ProtonMail	40393 39363	30993 30704	7951 7311	1449 1348	76.73 % 78.00 %	19.68 % 18.57 %	3.59 % 3.42 %
Custom Mail	40422 39785	31547 31537	7450 6930	1425 1318	78.04 % 79.27 %	18.43 % 17.42 %	3.53 % 3.31 %
iCloud Mail	655 691	478 519	136 132	41 40	72.98 % 75.11 %	20.76 % 19.10 %	6.26 % 5.79 %
Tuta	683 651	537 539	107 92	39 20	78.62 % 82.80 %	15.67 % 14.13 %	5.71 % 3.07 %
Juno.com	693 699	557 566	103 95	33 38	80.38 % 80.97 %	14.86 % 13.59 %	4.76 % 5.44 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.