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
77.346 76.303	59.160 58.002	16.331 16.304	1.855 1.997

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 (%)
76.49 % 76.02 %	21.11 % 21.37 %	2.40 % 2.62 %

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	6015 5965	4536 4487	1321 1329	158 149	75.41 % 75.22 %	21.96 % 22.28 %	2.63 % 2.50 %
Elektronics	6084 5985	4706 4561	1241 1263	137 161	77.35 % 76.21 %	20.40 % 21.10 %	2.25 % 2.69 %
Entertainment	5962 5627	4530 4248	1296 1238	136 141	75.98 % 75.49 %	21.74 % 22.00 %	2.28 % 2.51 %
Cosmetics & Beauty	5949 5894	4622 4530	1188 1201	139 163	77.69 % 76.86 %	19.97 % 20.38 %	2.34 % 2.77 %
Food & Drink	5806 5868	4417 4443	1254 1272	135 153	76.08 % 75.72 %	21.60 % 21.68 %	2.33 % 2.61 %
Home & Garden	5795 5755	4396 4323	1256 1277	143 155	75.86 % 75.12 %	21.67 % 22.19 %	2.47 % 2.69 %
Finance	5969 5902	4754 4678	1065 1065	150 159	79.64 % 79.26 %	17.84 % 18.04 %	2.51 % 2.69 %
Health	6045 5737	4774 4557	1129 1031	142 149	78.97 % 79.43 %	18.68 % 17.97 %	2.35 % 2.60 %
Pets	6004 5824	4560 4417	1295 1263	149 144	75.95 % 75.84 %	21.57 % 21.69 %	2.48 % 2.47 %
Sport & Fitness	5946 5806	4551 4418	1258 1236	137 152	76.54 % 76.09 %	21.16 % 21.29 %	2.30 % 2.62 %
Job & Career	6056 5890	4472 4309	1444 1422	140 159	73.84 % 73.16 %	23.84 % 24.14 %	2.31 % 2.70 %
Dating	5776 6018	4195 4339	1438 1532	143 147	72.63 % 72.10 %	24.90 % 25.46 %	2.48 % 2.44 %
Other	5939 6032	4647 4692	1146 1175	146 165	78.25 % 77.79 %	19.30 % 19.48 %	2.46 % 2.74 %

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	5532 5318	4057 3857	1345 1331	130 130	73.34 % 72.53 %	24.31 % 25.03 %	2.35 % 2.44 %
Outlook Mail	5594 5423	4159 4041	1303 1244	132 138	74.35 % 74.52 %	23.29 % 22.94 %	2.36 % 2.54 %
Yahoo Mail	5503 5322	4172 3990	1203 1195	128 137	75.81 % 74.97 %	21.86 % 22.45 %	2.33 % 2.57 %
AOL Mail	5586 5577	4225 4194	1218 1233	143 150	75.64 % 75.20 %	21.80 % 22.11 %	2.56 % 2.69 %
Mail.com	5356 5353	4161 4129	1066 1089	129 135	77.69 % 77.13 %	19.90 % 20.34 %	2.41 % 2.52 %
Yandex Mail	5541 5352	4195 4026	1217 1185	129 141	75.71 % 75.22 %	21.96 % 22.14 %	2.33 % 2.63 %
GMX Mail	5598 5779	4176 4295	1284 1318	138 166	74.60 % 74.32 %	22.94 % 22.81 %	2.47 % 2.87 %
Zoho Mail	5425 5400	4188 4167	1100 1098	137 135	77.20 % 77.17 %	20.28 % 20.33 %	2.53 % 2.50 %
ProtonMail	5479 5471	4288 4286	1054 1046	137 139	78.26 % 78.34 %	19.24 % 19.12 %	2.50 % 2.54 %
Custom Mail	5494 5498	4373 4336	988 1018	133 144	79.60 % 78.87 %	17.98 % 18.52 %	2.42 % 2.62 %
iCloud Mail	5331 5408	3899 3906	1307 1364	125 138	73.14 % 72.23 %	24.52 % 25.22 %	2.34 % 2.55 %
Tuta	5735 5273	4484 4094	1124 1033	127 146	78.19 % 77.64 %	19.60 % 19.59 %	2.21 % 2.77 %
Juno.com	5660 5599	4450 4363	1073 1079	137 157	78.62 % 77.92 %	18.96 % 19.27 %	2.42 % 2.80 %
Mailfence	5512 5530	4333 4318	1049 1071	130 141	78.61 % 78.08 %	19.03 % 19.37 %	2.36 % 2.55 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.