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
540.483 539.057	412.262 418.308	107.687 101.600	21.069 19.540

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 (%)
76.28 % 77.60 %	19.92 % 18.85 %	3.90 % 3.62 %

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	41392 41572	32657 33342	7282 6908	1516 1351	78.90 % 80.20 %	17.59 % 16.62 %	3.66 % 3.25 %
Elektronics	41334 41454	31860 32533	7982 7563	1525 1406	77.08 % 78.48 %	19.31 % 18.24 %	3.69 % 3.39 %
Entertainment	41622 41090	31703 31786	8295 7808	1627 1529	76.17 % 77.36 %	19.93 % 19.00 %	3.91 % 3.72 %
Cosmetics & Beauty	41603 41643	31719 32288	8337 7847	1612 1511	76.24 % 77.54 %	20.04 % 18.84 %	3.87 % 3.63 %
Food & Drink	41617 41599	32927 33412	7308 6854	1447 1352	79.12 % 80.32 %	17.56 % 16.48 %	3.48 % 3.25 %
Home & Garden	41806 41818	32922 33534	7393 6962	1550 1357	78.75 % 80.19 %	17.68 % 16.65 %	3.71 % 3.25 %
Finance	41990 41479	30775 30971	9514 8866	1751 1651	73.29 % 74.67 %	22.66 % 21.37 %	4.17 % 3.98 %
Health	41038 41568	30441 31376	8947 8660	1675 1581	74.18 % 75.48 %	21.80 % 20.83 %	4.08 % 3.80 %
Pets	42146 40695	32859 32392	7759 6903	1559 1419	77.96 % 79.60 %	18.41 % 16.96 %	3.70 % 3.49 %
Sport & Fitness	41859 41056	31437 31508	8771 8017	1692 1571	75.10 % 76.74 %	20.95 % 19.53 %	4.04 % 3.83 %
Job & Career	41297 41330	30826 31324	8756 8366	1760 1665	74.64 % 75.79 %	21.20 % 20.24 %	4.26 % 4.03 %
Dating	41795 42200	30105 30854	9894 9679	1829 1706	72.03 % 73.11 %	23.67 % 22.94 %	4.38 % 4.04 %
Other	40984 41553	32031 32988	7449 7167	1526 1441	78.15 % 79.39 %	18.18 % 17.25 %	3.72 % 3.47 %

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	50783 50625	36942 37369	11716 11211	2164 2081	72.74 % 73.82 %	23.07 % 22.15 %	4.26 % 4.11 %
Outlook Mail	50592 50264	37299 37792	11167 10524	2163 1994	73.73 % 75.19 %	22.07 % 20.94 %	4.28 % 3.97 %
Yahoo Mail	50611 50468	38304 38832	10344 9744	2014 1893	75.68 % 76.94 %	20.44 % 19.31 %	3.98 % 3.75 %
AOL Mail	49605 50779	37561 39072	10008 9865	2072 1885	75.72 % 76.95 %	20.18 % 19.43 %	4.18 % 3.71 %
Mail.com	51145 50767	39324 39555	9909 9423	1950 1840	76.89 % 77.91 %	19.37 % 18.56 %	3.81 % 3.62 %
Yandex Mail	51255 50905	38151 38563	11062 10432	2129 1939	74.43 % 75.75 %	21.58 % 20.49 %	4.15 % 3.81 %
GMX Mail	50233 50610	38550 39538	9835 9362	1862 1752	76.74 % 78.12 %	19.58 % 18.50 %	3.71 % 3.46 %
Zoho Mail	50707 50703	39469 39986	9484 9114	1801 1662	77.84 % 78.86 %	18.70 % 17.98 %	3.55 % 3.28 %
ProtonMail	50988 50015	39687 39667	9564 8715	1803 1658	77.84 % 79.31 %	18.76 % 17.42 %	3.54 % 3.32 %
Custom Mail	50909 50272	40142 40360	9036 8317	1784 1615	78.85 % 80.28 %	17.75 % 16.54 %	3.50 % 3.21 %
iCloud Mail	11115 11136	8481 8762	2148 1909	533 487	76.30 % 78.68 %	19.33 % 17.14 %	4.80 % 4.37 %
Tuta	11128 11139	9001 9270	1722 1513	420 371	80.89 % 83.22 %	15.47 % 13.58 %	3.77 % 3.33 %
Juno.com	11412 11374	9351 9542	1692 1471	374 363	81.94 % 83.89 %	14.83 % 12.93 %	3.28 % 3.19 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.