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
386.369 385.773	289.437 292.816	81.857 78.855	15.075 14.102

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 (%)
74.91 % 75.90 %	21.19 % 20.44 %	3.90 % 3.66 %

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	29778 29815	23188 23508	5494 5322	1096 985	77.87 % 78.85 %	18.45 % 17.85 %	3.68 % 3.30 %
Elektronics	29424 29779	22263 22860	6075 5888	1086 1031	75.66 % 76.77 %	20.65 % 19.77 %	3.69 % 3.46 %
Entertainment	29695 29386	22191 22186	6298 6063	1206 1137	74.73 % 75.50 %	21.21 % 20.63 %	4.06 % 3.87 %
Cosmetics & Beauty	29786 29712	22295 22497	6338 6118	1153 1097	74.85 % 75.72 %	21.28 % 20.59 %	3.87 % 3.69 %
Food & Drink	29802 29806	23295 23564	5470 5287	1037 955	78.17 % 79.06 %	18.35 % 17.74 %	3.48 % 3.20 %
Home & Garden	29752 30068	23121 23722	5526 5384	1105 962	77.71 % 78.89 %	18.57 % 17.91 %	3.71 % 3.20 %
Finance	30013 29618	21437 21514	7334 6917	1242 1187	71.43 % 72.64 %	24.44 % 23.35 %	4.14 % 4.01 %
Health	29219 29837	21133 21902	6898 6811	1188 1124	72.33 % 73.41 %	23.61 % 22.83 %	4.07 % 3.77 %
Pets	30220 28948	23268 22668	5848 5255	1104 1025	77.00 % 78.31 %	19.35 % 18.15 %	3.65 % 3.54 %
Sport & Fitness	30118 29122	22193 21863	6710 6141	1215 1118	73.69 % 75.07 %	22.28 % 21.09 %	4.03 % 3.84 %
Job & Career	29359 29451	21544 21804	6580 6423	1235 1224	73.38 % 74.03 %	22.41 % 21.81 %	4.21 % 4.16 %
Dating	29918 30602	20900 21599	7698 7766	1320 1237	69.86 % 70.58 %	25.73 % 25.38 %	4.41 % 4.04 %
Other	29285 29629	22609 23129	5588 5480	1088 1020	77.20 % 78.06 %	19.08 % 18.50 %	3.72 % 3.44 %

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	38739 38624	27822 28008	9319 9043	1598 1573	71.82 % 72.51 %	24.06 % 23.41 %	4.13 % 4.07 %
Outlook Mail	38508 38234	27844 28091	8994 8614	1670 1529	72.31 % 73.47 %	23.36 % 22.53 %	4.34 % 4.00 %
Yahoo Mail	38552 38641	28758 29221	8250 7965	1544 1455	74.60 % 75.62 %	21.40 % 20.61 %	4.00 % 3.77 %
AOL Mail	37649 38894	28102 29386	7971 8058	1576 1450	74.64 % 75.55 %	21.17 % 20.72 %	4.19 % 3.73 %
Mail.com	38849 38764	29477 29679	7886 7670	1486 1415	75.88 % 76.56 %	20.30 % 19.79 %	3.83 % 3.65 %
Yandex Mail	38847 38663	28400 28741	8822 8450	1625 1472	73.11 % 74.34 %	22.71 % 21.86 %	4.18 % 3.81 %
GMX Mail	38308 38593	28897 29585	7974 7679	1437 1329	75.43 % 76.66 %	20.82 % 19.90 %	3.75 % 3.44 %
Zoho Mail	38869 38866	29841 30072	7652 7484	1376 1310	76.77 % 77.37 %	19.69 % 19.26 %	3.54 % 3.37 %
ProtonMail	38991 38052	29860 29620	7742 7140	1389 1292	76.58 % 77.84 %	19.86 % 18.76 %	3.56 % 3.40 %
Custom Mail	39057 38442	30436 30413	7247 6752	1374 1277	77.93 % 79.11 %	18.55 % 17.56 %	3.52 % 3.32 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.