Constant Contact and Amazon SES Email Deliverability Comparison

Constant Contact

Amazon SES

In this comparison, the deliverability of Constant Contact and Amazon SES 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 Amazon SES than for Constant Contact.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
64.550 65.251	49.829 50.995	13.300 12.880	1.734 1.512

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. Amazon SES beats Constant Contact in this comparison.

Inbox (%)	Spam (%)	Lost (%)
77.19 % 78.15 %	20.60 % 19.74 %	2.69 % 2.32 %

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, Amazon SES is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	4681 5007	3583 3880	990 1032	131 112	76.54 % 77.49 %	21.15 % 20.61 %	2.80 % 2.24 %
Elektronics	4869 5002	3787 3917	975 978	129 119	77.78 % 78.31 %	20.02 % 19.55 %	2.65 % 2.38 %
Entertainment	5043 4940	3894 3861	1029 980	135 108	77.22 % 78.16 %	20.40 % 19.84 %	2.68 % 2.19 %
Cosmetics & Beauty	5050 5084	3876 4002	1061 985	137 107	76.75 % 78.72 %	21.01 % 19.37 %	2.71 % 2.10 %
Food & Drink	4904 5128	3763 3992	1059 1028	119 120	76.73 % 77.85 %	21.59 % 20.05 %	2.43 % 2.34 %
Home & Garden	4881 5035	3753 3904	1027 1025	130 121	76.89 % 77.54 %	21.04 % 20.36 %	2.66 % 2.40 %
Finance	4977 5047	4025 4121	844 813	142 119	80.87 % 81.65 %	16.96 % 16.11 %	2.85 % 2.36 %
Health	5016 5036	3996 4091	922 833	133 114	79.67 % 81.24 %	18.38 % 16.54 %	2.65 % 2.26 %
Pets	4974 4904	3853 3800	1007 1010	135 112	77.46 % 77.49 %	20.25 % 20.60 %	2.71 % 2.28 %
Sport & Fitness	5070 5080	3892 3956	1049 1019	142 120	76.77 % 77.87 %	20.69 % 20.06 %	2.80 % 2.36 %
Job & Career	5029 5195	3778 3957	1146 1128	130 117	75.12 % 76.17 %	22.79 % 21.71 %	2.59 % 2.25 %
Dating	5030 4876	3670 3617	1236 1141	136 119	72.96 % 74.18 %	24.57 % 23.40 %	2.70 % 2.44 %
Other	5026 4917	3959 3897	955 908	135 124	78.77 % 79.26 %	19.00 % 18.47 %	2.69 % 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, Amazon SES is better than Constant Contact.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4661 4863	3490 3671	1073 1091	118 113	74.88 % 75.49 %	23.02 % 22.43 %	2.53 % 2.32 %
Outlook Mail	4463 4669	3358 3596	1004 976	125 108	75.24 % 77.02 %	22.50 % 20.90 %	2.80 % 2.31 %
Yahoo Mail	4725 4612	3595 3624	1025 895	127 106	76.08 % 78.58 %	21.69 % 19.41 %	2.69 % 2.30 %
AOL Mail	4535 4893	3449 3830	974 973	125 106	76.05 % 78.28 %	21.48 % 19.89 %	2.76 % 2.17 %
Mail.com	4907 4597	3833 3631	968 872	132 102	78.11 % 78.99 %	19.73 % 18.97 %	2.69 % 2.22 %
Yandex Mail	4613 4643	3537 3588	998 961	124 105	76.67 % 77.28 %	21.63 % 20.70 %	2.69 % 2.26 %
GMX Mail	4605 4647	3458 3593	1035 965	120 108	75.09 % 77.32 %	22.48 % 20.77 %	2.61 % 2.32 %
Zoho Mail	4846 4696	3797 3688	942 912	131 108	78.35 % 78.53 %	19.44 % 19.42 %	2.70 % 2.30 %
ProtonMail	4526 4871	3603 3895	831 865	119 112	79.61 % 79.96 %	18.36 % 17.76 %	2.63 % 2.30 %
Custom Mail	4773 4628	3794 3738	872 798	127 102	79.49 % 80.77 %	18.27 % 17.24 %	2.66 % 2.20 %
iCloud Mail	4641 4756	3480 3559	1075 1088	133 119	74.98 % 74.83 %	23.16 % 22.88 %	2.87 % 2.50 %
Tuta	4650 4809	3667 3810	877 895	128 120	78.86 % 79.23 %	18.86 % 18.61 %	2.75 % 2.50 %
Juno.com	4577 4601	3615 3672	858 817	118 109	78.98 % 79.81 %	18.75 % 17.76 %	2.58 % 2.37 %
Mailfence	4028 3966	3153 3100	768 772	107 94	78.28 % 78.16 %	19.07 % 19.47 %	2.66 % 2.37 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.