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
438.027 436.716	330.244 334.666	90.425 85.970	17.358 16.080

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 (%)
75.39 % 76.63 %	20.64 % 19.69 %	3.96 % 3.68 %

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	33667 33707	26349 26813	6066 5793	1252 1101	78.26 % 79.55 %	18.02 % 17.19 %	3.72 % 3.27 %
Elektronics	33415 33735	25454 26154	6709 6409	1252 1172	76.18 % 77.53 %	20.08 % 19.00 %	3.75 % 3.47 %
Entertainment	33654 33216	25335 25344	6954 6602	1365 1270	75.28 % 76.30 %	20.66 % 19.88 %	4.06 % 3.82 %
Cosmetics & Beauty	33691 33580	25389 25695	6984 6651	1318 1234	75.36 % 76.52 %	20.73 % 19.81 %	3.91 % 3.67 %
Food & Drink	33730 33653	26488 26800	6044 5749	1198 1104	78.53 % 79.64 %	17.92 % 17.08 %	3.55 % 3.28 %
Home & Garden	33744 34056	26361 27087	6115 5864	1268 1105	78.12 % 79.54 %	18.12 % 17.22 %	3.76 % 3.24 %
Finance	34034 33485	24516 24596	8084 7534	1434 1355	72.03 % 73.45 %	23.75 % 22.50 %	4.21 % 4.05 %
Health	33220 33764	24247 25060	7604 7402	1369 1302	72.99 % 74.22 %	22.89 % 21.92 %	4.12 % 3.86 %
Pets	34152 32846	26407 25927	6455 5758	1290 1161	77.32 % 78.94 %	18.90 % 17.53 %	3.78 % 3.53 %
Sport & Fitness	34038 33031	25245 25021	7395 6728	1398 1282	74.17 % 75.75 %	21.73 % 20.37 %	4.11 % 3.88 %
Job & Career	33428 33466	24634 25014	7343 7067	1451 1385	73.69 % 74.74 %	21.97 % 21.12 %	4.34 % 4.14 %
Dating	34008 34524	24034 24682	8468 8403	1506 1439	70.67 % 71.49 %	24.90 % 24.34 %	4.43 % 4.17 %
Other	33246 33653	25785 26473	6204 6010	1257 1170	77.56 % 78.66 %	18.66 % 17.86 %	3.78 % 3.48 %

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	42858 42797	30887 31217	10167 9797	1804 1783	72.07 % 72.94 %	23.72 % 22.89 %	4.21 % 4.17 %
Outlook Mail	42630 42276	31015 31349	9740 9233	1875 1694	72.75 % 74.15 %	22.85 % 21.84 %	4.40 % 4.01 %
Yahoo Mail	42656 42686	31978 32512	8946 8550	1732 1624	74.97 % 76.17 %	20.97 % 20.03 %	4.06 % 3.80 %
AOL Mail	41862 43038	31371 32769	8692 8653	1799 1616	74.94 % 76.14 %	20.76 % 20.11 %	4.30 % 3.75 %
Mail.com	43040 42806	32797 33015	8571 8220	1672 1571	76.20 % 77.13 %	19.91 % 19.20 %	3.88 % 3.67 %
Yandex Mail	43141 42868	31731 32101	9594 9112	1816 1655	73.55 % 74.88 %	22.24 % 21.26 %	4.21 % 3.86 %
GMX Mail	42456 42687	32271 33001	8603 8193	1582 1493	76.01 % 77.31 %	20.26 % 19.19 %	3.73 % 3.50 %
Zoho Mail	42893 42895	33094 33477	8256 7985	1543 1433	77.15 % 78.04 %	19.25 % 18.62 %	3.60 % 3.34 %
ProtonMail	43164 42174	33274 33117	8345 7632	1545 1425	77.09 % 78.52 %	19.33 % 18.10 %	3.58 % 3.38 %
Custom Mail	43176 42398	33800 33784	7842 7220	1534 1394	78.28 % 79.68 %	18.16 % 17.03 %	3.55 % 3.29 %
iCloud Mail	3319 3462	2465 2688	667 590	187 184	74.27 % 77.64 %	20.10 % 17.04 %	5.63 % 5.31 %
Tuta	3385 3355	2739 2855	508 405	138 95	80.92 % 85.10 %	15.01 % 12.07 %	4.08 % 2.83 %
Juno.com	3447 3274	2822 2781	494 380	131 113	81.87 % 84.94 %	14.33 % 11.61 %	3.80 % 3.45 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.