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
455.754 454.379	344.481 349.090	93.172 88.530	18.101 16.759

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 (%)
75.58 % 76.83 %	20.44 % 19.48 %	3.97 % 3.69 %

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	35042 35081	27485 27966	6251 5966	1306 1149	78.43 % 79.72 %	17.84 % 17.01 %	3.73 % 3.28 %
Elektronics	34751 35085	26548 27271	6901 6590	1302 1224	76.39 % 77.73 %	19.86 % 18.78 %	3.75 % 3.49 %
Entertainment	35026 34505	26451 26407	7165 6789	1410 1309	75.52 % 76.53 %	20.46 % 19.68 %	4.03 % 3.79 %
Cosmetics & Beauty	35062 34947	26483 26813	7197 6851	1382 1283	75.53 % 76.72 %	20.53 % 19.60 %	3.94 % 3.67 %
Food & Drink	35174 35135	27683 28031	6246 5937	1245 1167	78.70 % 79.78 %	17.76 % 16.90 %	3.54 % 3.32 %
Home & Garden	35075 35372	27461 28187	6299 6028	1315 1157	78.29 % 79.69 %	17.96 % 17.04 %	3.75 % 3.27 %
Finance	35400 34806	25579 25639	8325 7757	1496 1410	72.26 % 73.66 %	23.52 % 22.29 %	4.23 % 4.05 %
Health	34611 35129	25334 26161	7833 7614	1444 1354	73.20 % 74.47 %	22.63 % 21.67 %	4.17 % 3.85 %
Pets	35515 34197	27532 27046	6653 5941	1330 1210	77.52 % 79.09 %	18.73 % 17.37 %	3.74 % 3.54 %
Sport & Fitness	35393 34396	26310 26119	7624 6936	1459 1341	74.34 % 75.94 %	21.54 % 20.17 %	4.12 % 3.90 %
Job & Career	34743 34819	25648 26087	7574 7293	1521 1439	73.82 % 74.92 %	21.80 % 20.95 %	4.38 % 4.13 %
Dating	35344 35895	25058 25765	8702 8635	1584 1495	70.90 % 71.78 %	24.62 % 24.06 %	4.48 % 4.16 %
Other	34618 35012	26909 27598	6402 6193	1307 1221	77.73 % 78.82 %	18.49 % 17.69 %	3.78 % 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	44239 44099	31905 32207	10444 10048	1890 1844	72.12 % 73.03 %	23.61 % 22.79 %	4.27 % 4.18 %
Outlook Mail	43937 43654	32041 32443	9961 9453	1935 1758	72.92 % 74.32 %	22.67 % 21.65 %	4.40 % 4.03 %
Yahoo Mail	44012 44057	33068 33629	9170 8754	1774 1674	75.13 % 76.33 %	20.84 % 19.87 %	4.03 % 3.80 %
AOL Mail	43244 44353	32467 33832	8913 8851	1864 1670	75.08 % 76.28 %	20.61 % 19.96 %	4.31 % 3.77 %
Mail.com	44440 44138	33930 34113	8781 8405	1729 1620	76.35 % 77.29 %	19.76 % 19.04 %	3.89 % 3.67 %
Yandex Mail	44557 44334	32851 33262	9829 9344	1877 1728	73.73 % 75.03 %	22.06 % 21.08 %	4.21 % 3.90 %
GMX Mail	43833 44042	33394 34126	8799 8370	1640 1546	76.18 % 77.49 %	20.07 % 19.00 %	3.74 % 3.51 %
Zoho Mail	44280 44249	34245 34612	8448 8162	1587 1475	77.34 % 78.22 %	19.08 % 18.45 %	3.58 % 3.33 %
ProtonMail	44514 43516	34397 34251	8521 7796	1596 1469	77.27 % 78.71 %	19.14 % 17.92 %	3.59 % 3.38 %
Custom Mail	44546 43754	34950 34935	8021 7391	1575 1428	78.46 % 79.84 %	18.01 % 16.89 %	3.54 % 3.26 %
iCloud Mail	4663 4808	3484 3742	923 831	256 235	74.72 % 77.83 %	19.79 % 17.28 %	5.49 % 4.89 %
Tuta	4649 4695	3767 3969	685 577	197 149	81.03 % 84.54 %	14.73 % 12.29 %	4.24 % 3.17 %
Juno.com	4840 4680	3982 3969	677 548	181 163	82.27 % 84.81 %	13.99 % 11.71 %	3.74 % 3.48 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.