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
379.618 379.055	283.990 287.481	80.828 77.770	14.800 13.804

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 (%)
74.81 % 75.84 %	21.29 % 20.52 %	3.90 % 3.64 %

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	29292 29314	22782 23099	5433 5250	1077 965	77.78 % 78.80 %	18.55 % 17.91 %	3.68 % 3.29 %
Elektronics	28919 29271	21846 22459	6001 5811	1072 1001	75.54 % 76.73 %	20.75 % 19.85 %	3.71 % 3.42 %
Entertainment	29152 28861	21756 21765	6215 5978	1181 1118	74.63 % 75.41 %	21.32 % 20.71 %	4.05 % 3.87 %
Cosmetics & Beauty	29278 29181	21894 22083	6257 6031	1127 1067	74.78 % 75.68 %	21.37 % 20.67 %	3.85 % 3.66 %
Food & Drink	29263 29291	22841 23150	5397 5215	1025 926	78.05 % 79.03 %	18.44 % 17.80 %	3.50 % 3.16 %
Home & Garden	29243 29558	22694 23304	5460 5313	1089 941	77.60 % 78.84 %	18.67 % 17.97 %	3.72 % 3.18 %
Finance	29477 29047	21029 21071	7240 6811	1208 1165	71.34 % 72.54 %	24.56 % 23.45 %	4.10 % 4.01 %
Health	28714 29286	20728 21468	6817 6715	1169 1103	72.19 % 73.30 %	23.74 % 22.93 %	4.07 % 3.77 %
Pets	29710 28419	22848 22243	5779 5175	1083 1001	76.90 % 78.27 %	19.45 % 18.21 %	3.65 % 3.52 %
Sport & Fitness	29579 28624	21765 21477	6619 6056	1195 1091	73.58 % 75.03 %	22.38 % 21.16 %	4.04 % 3.81 %
Job & Career	28864 28962	21157 21429	6495 6335	1212 1198	73.30 % 73.99 %	22.50 % 21.87 %	4.20 % 4.14 %
Dating	29363 30136	20465 21235	7603 7681	1295 1220	69.70 % 70.46 %	25.89 % 25.49 %	4.41 % 4.05 %
Other	28764 29105	22185 22698	5512 5399	1067 1008	77.13 % 77.99 %	19.16 % 18.55 %	3.71 % 3.46 %

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	38092 37940	27312 27482	9210 8918	1570 1540	71.70 % 72.44 %	24.18 % 23.51 %	4.12 % 4.06 %
Outlook Mail	37810 37546	27295 27563	8873 8490	1642 1493	72.19 % 73.41 %	23.47 % 22.61 %	4.34 % 3.98 %
Yahoo Mail	37900 37973	28242 28699	8145 7853	1513 1421	74.52 % 75.58 %	21.49 % 20.68 %	3.99 % 3.74 %
AOL Mail	37002 38252	27587 28888	7865 7948	1550 1416	74.56 % 75.52 %	21.26 % 20.78 %	4.19 % 3.70 %
Mail.com	38150 38064	28908 29113	7781 7561	1461 1390	75.77 % 76.48 %	20.40 % 19.86 %	3.83 % 3.65 %
Yandex Mail	38181 37949	27877 28182	8709 8322	1595 1445	73.01 % 74.26 %	22.81 % 21.93 %	4.18 % 3.81 %
GMX Mail	37650 37939	28349 29060	7885 7585	1416 1294	75.30 % 76.60 %	20.94 % 19.99 %	3.76 % 3.41 %
Zoho Mail	38181 38238	29278 29562	7558 7388	1345 1288	76.68 % 77.31 %	19.80 % 19.32 %	3.52 % 3.37 %
ProtonMail	38255 37409	29255 29090	7642 7052	1358 1267	76.47 % 77.76 %	19.98 % 18.85 %	3.55 % 3.39 %
Custom Mail	38397 37745	29887 29842	7160 6653	1350 1250	77.84 % 79.06 %	18.65 % 17.63 %	3.52 % 3.31 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.