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
113.062 113.699	72.133 73.351	37.636 37.530	3.293 2.818

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 Rate	Spam Rate	Lost Rate
63.80 % 64.51 %	33.29 % 33.01 %	2.91 % 2.48 %

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 Rate	Spam Rate	Lost Rate
Clothing	8753 9040	5982 6246	2521 2567	250 227	68.34 % 69.09 %	28.80 % 28.40 %	2.86 % 2.51 %
Elektronics	8705 8579	5552 5500	2901 2870	252 209	63.78 % 64.11 %	33.33 % 33.45 %	2.89 % 2.44 %
Entertainment	8530 8750	5426 5641	2855 2897	249 212	63.61 % 64.47 %	33.47 % 33.11 %	2.92 % 2.42 %
Cosmetics & Beauty	8734 8651	5562 5529	2914 2900	258 222	63.68 % 63.91 %	33.36 % 33.52 %	2.95 % 2.57 %
Food & Drink	8590 8778	5879 6055	2461 2505	250 218	68.44 % 68.98 %	28.65 % 28.54 %	2.91 % 2.48 %
Home & Garden	8779 9084	5989 6248	2527 2618	263 218	68.22 % 68.78 %	28.78 % 28.82 %	3.00 % 2.40 %
Finance	9146 8573	5347 5087	3529 3275	270 211	58.46 % 59.34 %	38.59 % 38.20 %	2.95 % 2.46 %
Health	8565 8854	5004 5228	3317 3405	244 221	58.42 % 59.05 %	38.73 % 38.46 %	2.85 % 2.50 %
Pets	9057 8262	6168 5741	2620 2313	269 208	68.10 % 69.49 %	28.93 % 28.00 %	2.97 % 2.52 %
Sport & Fitness	8971 8402	5674 5424	3032 2773	265 205	63.25 % 64.56 %	33.80 % 33.00 %	2.95 % 2.44 %
Job & Career	8034 8454	5112 5447	2698 2798	224 209	63.63 % 64.43 %	33.58 % 33.10 %	2.79 % 2.47 %
Dating	8635 9520	4568 5164	3816 4118	251 238	52.90 % 54.24 %	44.19 % 43.26 %	2.91 % 2.50 %
Other	8563 8752	5870 6041	2445 2491	248 220	68.55 % 69.02 %	28.55 % 28.46 %	2.90 % 2.51 %

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 Rate	Spam Rate	Lost Rate
Gmail	11220 11338	6515 6635	4378 4414	327 289	58.07 % 58.52 %	39.02 % 38.93 %	2.91 % 2.55 %
Outlook Mail	11157 10836	6719 6595	4108 3978	330 263	60.22 % 60.86 %	36.82 % 36.71 %	2.96 % 2.43 %
Yahoo Mail	11362 11496	7389 7544	3640 3658	333 294	65.03 % 65.62 %	32.04 % 31.82 %	2.93 % 2.56 %
AOL Mail	10507 11861	6823 7835	3385 3735	299 291	64.94 % 66.06 %	32.22 % 31.49 %	2.85 % 2.45 %
Mail.com	11423 11790	7577 7852	3512 3649	334 289	66.33 % 66.60 %	30.74 % 30.95 %	2.92 % 2.45 %
Yandex Mail	11527 11314	7268 7222	3922 3813	337 279	63.05 % 63.83 %	34.02 % 33.70 %	2.92 % 2.47 %
GMX Mail	11153 11264	6920 7098	3905 3884	328 282	62.05 % 63.01 %	35.01 % 34.48 %	2.94 % 2.50 %
Zoho Mail	11473 11906	7587 7897	3556 3715	330 294	66.13 % 66.33 %	30.99 % 31.20 %	2.88 % 2.47 %
ProtonMail	11572 10882	7384 7054	3849 3562	339 266	63.81 % 64.82 %	33.26 % 32.73 %	2.93 % 2.44 %
Custom Mail	11668 11012	7951 7619	3381 3122	336 271	68.14 % 69.19 %	28.98 % 28.35 %	2.88 % 2.46 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.