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
222.504 222.274	159.064 160.986	55.382 54.001	8.058 7.287

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 (%)
71.49 % 72.43 %	24.89 % 24.29 %	3.62 % 3.28 %

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	17119 17232	12815 13048	3708 3654	596 530	74.86 % 75.72 %	21.66 % 21.20 %	3.48 % 3.08 %
Elektronics	17049 17040	12295 12434	4185 4075	569 531	72.12 % 72.97 %	24.55 % 23.91 %	3.34 % 3.12 %
Entertainment	17093 16947	12210 12215	4250 4150	633 582	71.43 % 72.08 %	24.86 % 24.49 %	3.70 % 3.43 %
Cosmetics & Beauty	17116 17168	12221 12390	4278 4193	617 585	71.40 % 72.17 %	24.99 % 24.42 %	3.60 % 3.41 %
Food & Drink	17030 17117	12814 12975	3661 3613	555 529	75.24 % 75.80 %	21.50 % 21.11 %	3.26 % 3.09 %
Home & Garden	17204 17348	12862 13146	3735 3704	607 498	74.76 % 75.78 %	21.71 % 21.35 %	3.53 % 2.87 %
Finance	17433 16952	11748 11603	5043 4729	642 620	67.39 % 68.45 %	28.93 % 27.90 %	3.68 % 3.66 %
Health	16849 17305	11471 11979	4753 4771	625 555	68.08 % 69.22 %	28.21 % 27.57 %	3.71 % 3.21 %
Pets	17488 16534	12966 12527	3913 3492	609 515	74.14 % 75.77 %	22.38 % 21.12 %	3.48 % 3.11 %
Sport & Fitness	17527 16762	12370 12063	4523 4127	634 572	70.58 % 71.97 %	25.81 % 24.62 %	3.62 % 3.41 %
Job & Career	16697 16864	11741 12026	4279 4240	677 598	70.32 % 71.31 %	25.63 % 25.14 %	4.05 % 3.55 %
Dating	17103 17953	11050 11757	5362 5573	691 623	64.61 % 65.49 %	31.35 % 31.04 %	4.04 % 3.47 %
Other	16796 17052	12501 12823	3692 3680	603 549	74.43 % 75.20 %	21.98 % 21.58 %	3.59 % 3.22 %

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	22347 22358	15117 15300	6379 6263	851 795	67.65 % 68.43 %	28.55 % 28.01 %	3.81 % 3.56 %
Outlook Mail	22086 21719	15144 15169	6063 5807	879 743	68.57 % 69.84 %	27.45 % 26.74 %	3.98 % 3.42 %
Yahoo Mail	22016 22409	15744 16243	5462 5399	810 767	71.51 % 72.48 %	24.81 % 24.09 %	3.68 % 3.42 %
AOL Mail	21163 22519	15175 16341	5177 5445	811 733	71.71 % 72.57 %	24.46 % 24.18 %	3.83 % 3.26 %
Mail.com	22359 22538	16295 16535	5265 5253	799 750	72.88 % 73.36 %	23.55 % 23.31 %	3.57 % 3.33 %
Yandex Mail	22480 22281	15739 15830	5900 5672	841 779	70.01 % 71.05 %	26.25 % 25.46 %	3.74 % 3.50 %
GMX Mail	22170 22227	15784 16126	5569 5395	817 706	71.20 % 72.55 %	25.12 % 24.27 %	3.69 % 3.18 %
Zoho Mail	22678 22604	16694 16702	5235 5218	749 684	73.61 % 73.89 %	23.08 % 23.08 %	3.30 % 3.03 %
ProtonMail	22509 21776	16344 16101	5398 5001	767 674	72.61 % 73.94 %	23.98 % 22.97 %	3.41 % 3.10 %
Custom Mail	22696 21843	17028 16639	4934 4548	734 656	75.03 % 76.18 %	21.74 % 20.82 %	3.23 % 3.00 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.