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
464.675 463.164	351.590 356.201	94.581 89.847	18.504 17.116

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 (%)
75.66 % 76.91 %	20.35 % 19.40 %	3.98 % 3.70 %

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	35727 35770	28052 28540	6347 6055	1328 1175	78.52 % 79.79 %	17.77 % 16.93 %	3.72 % 3.28 %
Elektronics	35461 35758	27120 27828	7006 6685	1335 1245	76.48 % 77.82 %	19.76 % 18.70 %	3.76 % 3.48 %
Entertainment	35681 35145	26967 26925	7271 6884	1443 1336	75.58 % 76.61 %	20.38 % 19.59 %	4.04 % 3.80 %
Cosmetics & Beauty	35744 35614	27021 27346	7307 6952	1416 1316	75.60 % 76.78 %	20.44 % 19.52 %	3.96 % 3.70 %
Food & Drink	35835 35826	28231 28614	6336 6027	1268 1185	78.78 % 79.87 %	17.68 % 16.82 %	3.54 % 3.31 %
Home & Garden	35736 36118	28004 28804	6390 6127	1342 1187	78.36 % 79.75 %	17.88 % 16.96 %	3.76 % 3.29 %
Finance	36106 35456	26129 26140	8451 7869	1526 1447	72.37 % 73.73 %	23.41 % 22.19 %	4.23 % 4.08 %
Health	35266 35790	25854 26684	7940 7721	1472 1385	73.31 % 74.56 %	22.51 % 21.57 %	4.17 % 3.87 %
Pets	36215 34844	28096 27582	6755 6029	1364 1233	77.58 % 79.16 %	18.65 % 17.30 %	3.77 % 3.54 %
Sport & Fitness	36116 35117	26879 26688	7746 7054	1491 1375	74.42 % 76.00 %	21.45 % 20.09 %	4.13 % 3.92 %
Job & Career	35458 35501	26203 26626	7699 7410	1556 1465	73.90 % 75.00 %	21.71 % 20.87 %	4.39 % 4.13 %
Dating	36050 36543	25599 26278	8831 8743	1620 1522	71.01 % 71.91 %	24.50 % 23.93 %	4.49 % 4.16 %
Other	35280 35682	27435 28146	6502 6291	1343 1245	77.76 % 78.88 %	18.43 % 17.63 %	3.81 % 3.49 %

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	44943 44791	32430 32733	10589 10182	1924 1876	72.16 % 73.08 %	23.56 % 22.73 %	4.28 % 4.19 %
Outlook Mail	44648 44335	32601 32982	10084 9561	1963 1792	73.02 % 74.39 %	22.59 % 21.57 %	4.40 % 4.04 %
Yahoo Mail	44741 44700	33650 34131	9288 8856	1803 1713	75.21 % 76.36 %	20.76 % 19.81 %	4.03 % 3.83 %
AOL Mail	43892 45061	32975 34401	9019 8962	1898 1698	75.13 % 76.34 %	20.55 % 19.89 %	4.32 % 3.77 %
Mail.com	45122 44765	34478 34632	8886 8495	1758 1638	76.41 % 77.36 %	19.69 % 18.98 %	3.90 % 3.66 %
Yandex Mail	45262 44994	33399 33790	9950 9454	1913 1750	73.79 % 75.10 %	21.98 % 21.01 %	4.23 % 3.89 %
GMX Mail	44538 44717	33970 34679	8898 8463	1670 1575	76.27 % 77.55 %	19.98 % 18.93 %	3.75 % 3.52 %
Zoho Mail	44928 44954	34771 35195	8541 8260	1616 1499	77.39 % 78.29 %	19.01 % 18.37 %	3.60 % 3.33 %
ProtonMail	45185 44201	34954 34824	8611 7883	1620 1494	77.36 % 78.79 %	19.06 % 17.83 %	3.59 % 3.38 %
Custom Mail	45252 44405	35527 35482	8116 7474	1609 1449	78.51 % 79.91 %	17.94 % 16.83 %	3.56 % 3.26 %
iCloud Mail	5341 5451	3987 4230	1053 949	301 272	74.65 % 77.60 %	19.72 % 17.41 %	5.64 % 4.99 %
Tuta	5338 5376	4328 4537	783 666	227 173	81.08 % 84.39 %	14.67 % 12.39 %	4.25 % 3.22 %
Juno.com	5485 5414	4520 4585	763 642	202 187	82.41 % 84.69 %	13.91 % 11.86 %	3.68 % 3.45 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.