Constant Contact and SendGrid Email Deliverability Comparison

Constant Contact

SendGrid

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

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
64.550 64.547	49.829 49.094	13.300 14.120	1.734 1.594

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. Constant Contact beats SendGrid in this comparison.

Inbox (%)	Spam (%)	Lost (%)
77.19 % 76.06 %	20.60 % 21.88 %	2.69 % 2.47 %

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, Constant Contact is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	4681 5059	3583 3839	990 1121	131 126	76.54 % 75.88 %	21.15 % 22.16 %	2.80 % 2.49 %
Elektronics	4869 4978	3787 3821	975 1057	129 126	77.78 % 76.76 %	20.02 % 21.23 %	2.65 % 2.53 %
Entertainment	5043 5004	3894 3771	1029 1134	135 128	77.22 % 75.36 %	20.40 % 22.66 %	2.68 % 2.56 %
Cosmetics & Beauty	5050 5094	3876 3896	1061 1080	137 124	76.75 % 76.48 %	21.01 % 21.20 %	2.71 % 2.43 %
Food & Drink	4904 5062	3763 3823	1059 1128	119 125	76.73 % 75.52 %	21.59 % 22.28 %	2.43 % 2.47 %
Home & Garden	4881 4911	3753 3715	1027 1105	130 116	76.89 % 75.65 %	21.04 % 22.50 %	2.66 % 2.36 %
Finance	4977 5039	4025 3961	844 972	142 129	80.87 % 78.61 %	16.96 % 19.29 %	2.85 % 2.56 %
Health	5016 4971	3996 3953	922 914	133 113	79.67 % 79.52 %	18.38 % 18.39 %	2.65 % 2.27 %
Pets	4974 5036	3853 3814	1007 1105	135 132	77.46 % 75.73 %	20.25 % 21.94 %	2.71 % 2.62 %
Sport & Fitness	5070 4891	3892 3712	1049 1088	142 129	76.77 % 75.89 %	20.69 % 22.24 %	2.80 % 2.64 %
Job & Career	5029 4630	3778 3393	1146 1133	130 114	75.12 % 73.28 %	22.79 % 24.47 %	2.59 % 2.46 %
Dating	5030 4935	3670 3577	1236 1252	136 120	72.96 % 72.48 %	24.57 % 25.37 %	2.70 % 2.43 %
Other	5026 4937	3959 3819	955 1031	135 112	78.77 % 77.35 %	19.00 % 20.88 %	2.69 % 2.27 %

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, Constant Contact is better than SendGrid.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4661 4616	3490 3369	1073 1142	118 122	74.88 % 72.99 %	23.02 % 24.74 %	2.53 % 2.64 %
Outlook Mail	4463 4779	3358 3606	1004 1083	125 112	75.24 % 75.46 %	22.50 % 22.66 %	2.80 % 2.34 %
Yahoo Mail	4725 4541	3595 3450	1025 1002	127 113	76.08 % 75.97 %	21.69 % 22.07 %	2.69 % 2.49 %
AOL Mail	4535 4511	3449 3386	974 1041	125 115	76.05 % 75.06 %	21.48 % 23.08 %	2.76 % 2.55 %
Mail.com	4907 4781	3833 3683	968 998	132 115	78.11 % 77.03 %	19.73 % 20.87 %	2.69 % 2.41 %
Yandex Mail	4613 4658	3537 3494	998 1075	124 112	76.67 % 75.01 %	21.63 % 23.08 %	2.69 % 2.40 %
GMX Mail	4605 4600	3458 3450	1035 1073	120 104	75.09 % 75.00 %	22.48 % 23.33 %	2.61 % 2.26 %
Zoho Mail	4846 4791	3797 3649	942 1055	131 112	78.35 % 76.16 %	19.44 % 22.02 %	2.70 % 2.34 %
ProtonMail	4526 4516	3603 3490	831 923	119 116	79.61 % 77.28 %	18.36 % 20.44 %	2.63 % 2.57 %
Custom Mail	4773 4727	3794 3689	872 926	127 117	79.49 % 78.04 %	18.27 % 19.59 %	2.66 % 2.48 %
iCloud Mail	4641 4569	3480 3361	1075 1114	133 118	74.98 % 73.56 %	23.16 % 24.38 %	2.87 % 2.58 %
Tuta	4650 4715	3667 3647	877 969	128 120	78.86 % 77.35 %	18.86 % 20.55 %	2.75 % 2.55 %
Juno.com	4577 4710	3615 3667	858 940	118 117	78.98 % 77.86 %	18.75 % 19.96 %	2.58 % 2.48 %
Mailfence	4028 4033	3153 3153	768 779	107 101	78.28 % 78.18 %	19.07 % 19.32 %	2.66 % 2.50 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.