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
345.351 345.160	256.747 260.138	75.232 72.646	13.372 12.376

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 (%)
74.34 % 75.37 %	21.78 % 21.05 %	3.87 % 3.59 %

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	26666 26747	20623 20971	5060 4913	983 863	77.34 % 78.41 %	18.98 % 18.37 %	3.69 % 3.23 %
Elektronics	26342 26670	19799 20325	5599 5447	944 898	75.16 % 76.21 %	21.26 % 20.42 %	3.58 % 3.37 %
Entertainment	26547 26272	19693 19695	5800 5575	1054 1002	74.18 % 74.97 %	21.85 % 21.22 %	3.97 % 3.81 %
Cosmetics & Beauty	26649 26582	19793 19983	5823 5638	1033 961	74.27 % 75.17 %	21.85 % 21.21 %	3.88 % 3.62 %
Food & Drink	26608 26581	20679 20888	5012 4860	917 833	77.72 % 78.58 %	18.84 % 18.28 %	3.45 % 3.13 %
Home & Garden	26572 26911	20525 21095	5076 4967	971 849	77.24 % 78.39 %	19.10 % 18.46 %	3.65 % 3.15 %
Finance	26869 26422	19008 19034	6762 6356	1099 1032	70.74 % 72.04 %	25.17 % 24.06 %	4.09 % 3.91 %
Health	26130 26711	18708 19432	6364 6298	1058 981	71.60 % 72.75 %	24.36 % 23.58 %	4.05 % 3.67 %
Pets	27028 25811	20683 20105	5369 4809	976 897	76.52 % 77.89 %	19.86 % 18.63 %	3.61 % 3.48 %
Sport & Fitness	27035 26091	19782 19464	6167 5644	1086 983	73.17 % 74.60 %	22.81 % 21.63 %	4.02 % 3.77 %
Job & Career	26191 26390	19081 19431	6005 5891	1105 1068	72.85 % 73.63 %	22.93 % 22.32 %	4.22 % 4.05 %
Dating	26646 27482	18359 19169	7100 7222	1187 1091	68.90 % 69.75 %	26.65 % 26.28 %	4.45 % 3.97 %
Other	26068 26490	20014 20546	5095 5026	959 918	76.78 % 77.56 %	19.55 % 18.97 %	3.68 % 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	34627 34606	24632 24867	8584 8348	1411 1391	71.14 % 71.86 %	24.79 % 24.12 %	4.07 % 4.02 %
Outlook Mail	34376 34174	24670 24933	8253 7924	1453 1317	71.77 % 72.96 %	24.01 % 23.19 %	4.23 % 3.85 %
Yahoo Mail	34459 34584	25528 26006	7562 7319	1369 1259	74.08 % 75.20 %	21.94 % 21.16 %	3.97 % 3.64 %
AOL Mail	33650 34803	24958 26122	7288 7404	1404 1277	74.17 % 75.06 %	21.66 % 21.27 %	4.17 % 3.67 %
Mail.com	34674 34713	26135 26400	7226 7063	1313 1250	75.37 % 76.05 %	20.84 % 20.35 %	3.79 % 3.60 %
Yandex Mail	34721 34533	25202 25463	8082 7750	1437 1320	72.58 % 73.74 %	23.28 % 22.44 %	4.14 % 3.82 %
GMX Mail	34272 34554	25589 26279	7376 7116	1307 1159	74.66 % 76.05 %	21.52 % 20.59 %	3.81 % 3.35 %
Zoho Mail	34736 34864	26495 26804	7041 6918	1200 1142	76.28 % 76.88 %	20.27 % 19.84 %	3.45 % 3.28 %
ProtonMail	34897 34061	26488 26308	7155 6610	1254 1143	75.90 % 77.24 %	20.50 % 19.41 %	3.59 % 3.36 %
Custom Mail	34939 34268	27050 26956	6665 6194	1224 1118	77.42 % 78.66 %	19.08 % 18.08 %	3.50 % 3.26 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.