MailChimp and Constant Contact Email Deliverability Comparison

MailChimp

Constant Contact

In this comparison, the deliverability of MailChimp and Constant Contact 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
64.544 63.973	51.065 50.112	12.507 12.784	1.462 1.666

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 (%)
79.12 % 78.33 %	19.38 % 19.98 %	2.27 % 2.60 %

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	4875 4680	3825 3647	979 974	106 124	78.46 % 77.93 %	20.08 % 20.81 %	2.17 % 2.65 %
Elektronics	4838 4774	3830 3773	942 914	103 123	79.16 % 79.03 %	19.47 % 19.15 %	2.13 % 2.58 %
Entertainment	5193 5102	4062 3988	1048 1000	118 132	78.22 % 78.17 %	20.18 % 19.60 %	2.27 % 2.59 %
Cosmetics & Beauty	4990 4883	3989 3826	913 990	119 129	79.94 % 78.35 %	18.30 % 20.27 %	2.38 % 2.64 %
Food & Drink	5230 4863	4120 3797	1021 1008	129 118	78.78 % 78.08 %	19.52 % 20.73 %	2.47 % 2.43 %
Home & Garden	4733 4976	3704 3888	949 1016	111 127	78.26 % 78.14 %	20.05 % 20.42 %	2.35 % 2.55 %
Finance	4973 4956	4052 4015	855 842	106 140	81.48 % 81.01 %	17.19 % 16.99 %	2.13 % 2.82 %
Health	4995 4983	4094 4004	847 896	114 132	81.96 % 80.35 %	16.96 % 17.98 %	2.28 % 2.65 %
Pets	4933 4968	3909 3895	937 981	115 132	79.24 % 78.40 %	18.99 % 19.75 %	2.33 % 2.66 %
Sport & Fitness	4958 4949	3915 3848	983 1006	109 133	78.96 % 77.75 %	19.83 % 20.33 %	2.20 % 2.69 %
Job & Career	4998 5031	3859 3865	1057 1084	115 130	77.21 % 76.82 %	21.15 % 21.55 %	2.30 % 2.58 %
Dating	4840 4880	3712 3655	1048 1140	108 122	76.69 % 74.90 %	21.65 % 23.36 %	2.23 % 2.50 %
Other	4988 4928	3994 3911	928 933	109 124	80.07 % 79.36 %	18.60 % 18.93 %	2.19 % 2.52 %

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	4820 4709	3701 3594	1051 1032	100 117	76.78 % 76.32 %	21.80 % 21.92 %	2.07 % 2.48 %
Outlook Mail	4592 4505	3603 3463	943 966	99 120	78.46 % 76.87 %	20.54 % 21.44 %	2.16 % 2.66 %
Yahoo Mail	4594 4762	3586 3699	906 1007	112 124	78.06 % 77.68 %	19.72 % 21.15 %	2.44 % 2.60 %
AOL Mail	4861 4603	3820 3576	969 946	111 121	78.58 % 77.69 %	19.93 % 20.55 %	2.28 % 2.63 %
Mail.com	4827 4887	3873 3873	880 937	112 128	80.24 % 79.25 %	18.23 % 19.17 %	2.32 % 2.62 %
Yandex Mail	4728 4565	3693 3565	953 953	115 126	78.11 % 78.09 %	20.16 % 20.88 %	2.43 % 2.76 %
GMX Mail	4845 4561	3773 3484	1031 986	99 115	77.87 % 76.39 %	21.28 % 21.62 %	2.04 % 2.52 %
Zoho Mail	4651 4795	3739 3814	866 899	115 127	80.39 % 79.54 %	18.62 % 18.75 %	2.47 % 2.65 %
ProtonMail	4713 4616	3793 3720	845 833	102 116	80.48 % 80.59 %	17.93 % 18.05 %	2.16 % 2.51 %
Custom Mail	4655 4732	3809 3784	772 865	96 126	81.83 % 79.97 %	16.58 % 18.28 %	2.06 % 2.66 %
iCloud Mail	4525 4639	3464 3554	1020 1020	99 125	76.55 % 76.61 %	22.54 % 21.99 %	2.19 % 2.69 %
Tuta	4762 4582	3840 3641	848 861	116 117	80.64 % 79.46 %	17.81 % 18.79 %	2.44 % 2.55 %
Juno.com	4807 4724	3870 3767	835 848	111 120	80.51 % 79.74 %	17.37 % 17.95 %	2.31 % 2.54 %
Mailfence	3164 3293	2501 2578	588 631	75 84	79.05 % 78.29 %	18.58 % 19.16 %	2.37 % 2.55 %

Compare MailChimp with other providers

Compare the email deliverability of MailChimp with other providers.