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
393.251 392.522	294.842 298.269	83.028 79.869	15.381 14.384

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 (%)
74.98 % 75.99 %	21.11 % 20.35 %	3.91 % 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	30289 30348	23603 23958	5572 5394	1114 996	77.93 % 78.94 %	18.40 % 17.77 %	3.68 % 3.28 %
Elektronics	29996 30284	22720 23270	6168 5960	1108 1054	75.74 % 76.84 %	20.56 % 19.68 %	3.69 % 3.48 %
Entertainment	30230 29867	22614 22576	6388 6135	1228 1156	74.81 % 75.59 %	21.13 % 20.54 %	4.06 % 3.87 %
Cosmetics & Beauty	30328 30216	22712 22908	6431 6193	1185 1115	74.89 % 75.81 %	21.20 % 20.50 %	3.91 % 3.69 %
Food & Drink	30285 30367	23689 24023	5542 5364	1054 980	78.22 % 79.11 %	18.30 % 17.66 %	3.48 % 3.23 %
Home & Garden	30279 30572	23551 24143	5605 5449	1123 980	77.78 % 78.97 %	18.51 % 17.82 %	3.71 % 3.21 %
Finance	30621 30139	21898 21917	7449 7003	1274 1219	71.51 % 72.72 %	24.33 % 23.24 %	4.16 % 4.04 %
Health	29732 30365	21527 22322	6991 6894	1214 1149	72.40 % 73.51 %	23.51 % 22.70 %	4.08 % 3.78 %
Pets	30751 29446	23678 23083	5932 5326	1141 1037	77.00 % 78.39 %	19.29 % 18.09 %	3.71 % 3.52 %
Sport & Fitness	30640 29599	22601 22242	6805 6216	1234 1141	73.76 % 75.14 %	22.21 % 21.00 %	4.03 % 3.85 %
Job & Career	29852 29976	21926 22223	6672 6512	1254 1241	73.45 % 74.14 %	22.35 % 21.72 %	4.20 % 4.14 %
Dating	30489 31155	21335 22021	7809 7861	1345 1273	69.98 % 70.68 %	25.61 % 25.23 %	4.41 % 4.09 %
Other	29759 30188	22988 23583	5664 5562	1107 1043	77.25 % 78.12 %	19.03 % 18.42 %	3.72 % 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	39403 39349	28327 28577	9442 9163	1634 1609	71.89 % 72.62 %	23.96 % 23.29 %	4.15 % 4.09 %
Outlook Mail	39123 38915	28321 28632	9106 8728	1696 1555	72.39 % 73.58 %	23.28 % 22.43 %	4.34 % 4.00 %
Yahoo Mail	39263 39303	29312 29752	8378 8068	1573 1483	74.66 % 75.70 %	21.34 % 20.53 %	4.01 % 3.77 %
AOL Mail	38346 39551	28638 29911	8094 8161	1614 1479	74.68 % 75.63 %	21.11 % 20.63 %	4.21 % 3.74 %
Mail.com	39548 39448	30015 30226	8010 7774	1523 1448	75.90 % 76.62 %	20.25 % 19.71 %	3.85 % 3.67 %
Yandex Mail	39615 39389	28986 29314	8965 8571	1664 1504	73.17 % 74.42 %	22.63 % 21.76 %	4.20 % 3.82 %
GMX Mail	39002 39248	29463 30119	8081 7772	1458 1357	75.54 % 76.74 %	20.72 % 19.80 %	3.74 % 3.46 %
Zoho Mail	39547 39510	30387 30609	7757 7570	1403 1331	76.84 % 77.47 %	19.61 % 19.16 %	3.55 % 3.37 %
ProtonMail	39681 38705	30410 30162	7848 7223	1423 1320	76.64 % 77.93 %	19.78 % 18.66 %	3.59 % 3.41 %
Custom Mail	39723 39104	30983 30967	7347 6839	1393 1298	78.00 % 79.19 %	18.50 % 17.49 %	3.51 % 3.32 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.