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
77.510 76.060	59.481 58.104	16.188 16.008	1.841 1.948

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 (%)
76.74 % 76.39 %	20.89 % 21.05 %	2.38 % 2.56 %

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	5944 5920	4513 4466	1272 1304	159 150	75.93 % 75.44 %	21.40 % 22.03 %	2.67 % 2.53 %
Elektronics	5884 6080	4526 4671	1229 1248	129 161	76.92 % 76.83 %	20.89 % 20.53 %	2.19 % 2.65 %
Entertainment	5842 5696	4463 4328	1241 1220	138 148	76.40 % 75.98 %	21.24 % 21.42 %	2.36 % 2.60 %
Cosmetics & Beauty	6241 5831	4839 4492	1259 1183	143 156	77.54 % 77.04 %	20.17 % 20.29 %	2.29 % 2.68 %
Food & Drink	5830 5938	4446 4519	1251 1272	133 147	76.26 % 76.10 %	21.46 % 21.42 %	2.28 % 2.48 %
Home & Garden	5786 5605	4414 4257	1226 1206	146 142	76.29 % 75.95 %	21.19 % 21.52 %	2.52 % 2.53 %
Finance	6092 5835	4874 4637	1070 1042	148 156	80.01 % 79.47 %	17.56 % 17.86 %	2.43 % 2.67 %
Health	5925 5816	4712 4649	1083 1018	130 149	79.53 % 79.93 %	18.28 % 17.50 %	2.19 % 2.56 %
Pets	5939 5821	4529 4443	1267 1241	143 137	76.26 % 76.33 %	21.33 % 21.32 %	2.41 % 2.35 %
Sport & Fitness	5982 5852	4600 4474	1245 1225	137 153	76.90 % 76.45 %	20.81 % 20.93 %	2.29 % 2.61 %
Job & Career	6109 5698	4537 4193	1439 1364	133 141	74.27 % 73.59 %	23.56 % 23.94 %	2.18 % 2.47 %
Dating	5928 5975	4307 4290	1471 1541	150 144	72.66 % 71.80 %	24.81 % 25.79 %	2.53 % 2.41 %
Other	6008 5993	4721 4685	1135 1144	152 164	78.58 % 78.17 %	18.89 % 19.09 %	2.53 % 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	5523 5250	4063 3818	1332 1308	128 124	73.57 % 72.72 %	24.12 % 24.91 %	2.32 % 2.36 %
Outlook Mail	5505 5514	4127 4135	1245 1237	133 142	74.97 % 74.99 %	22.62 % 22.43 %	2.42 % 2.58 %
Yahoo Mail	5699 5260	4311 3954	1247 1172	141 134	75.64 % 75.17 %	21.88 % 22.28 %	2.47 % 2.55 %
AOL Mail	5519 5457	4197 4105	1189 1210	133 142	76.05 % 75.22 %	21.54 % 22.17 %	2.41 % 2.60 %
Mail.com	5656 5460	4395 4233	1128 1091	133 136	77.71 % 77.53 %	19.94 % 19.98 %	2.35 % 2.49 %
Yandex Mail	5614 5380	4249 4061	1244 1186	121 133	75.69 % 75.48 %	22.16 % 22.04 %	2.16 % 2.47 %
GMX Mail	5503 5467	4138 4087	1236 1234	129 146	75.20 % 74.76 %	22.46 % 22.57 %	2.34 % 2.67 %
Zoho Mail	5515 5426	4277 4201	1100 1092	138 133	77.55 % 77.42 %	19.95 % 20.13 %	2.50 % 2.45 %
ProtonMail	5421 5425	4234 4264	1051 1025	136 136	78.10 % 78.60 %	19.39 % 18.89 %	2.51 % 2.51 %
Custom Mail	5419 5513	4313 4405	981 967	125 141	79.59 % 79.90 %	18.10 % 17.54 %	2.31 % 2.56 %
iCloud Mail	5464 5455	4049 3973	1286 1341	129 141	74.10 % 72.83 %	23.54 % 24.58 %	2.36 % 2.58 %
Tuta	5673 5400	4460 4241	1079 1016	134 143	78.62 % 78.54 %	19.02 % 18.81 %	2.36 % 2.65 %
Juno.com	5601 5523	4421 4308	1047 1062	133 153	78.93 % 78.00 %	18.69 % 19.23 %	2.37 % 2.77 %
Mailfence	5398 5530	4247 4319	1023 1067	128 144	78.68 % 78.10 %	18.95 % 19.29 %	2.37 % 2.60 %

Compare Constant Contact with other providers

Compare the email deliverability of Constant Contact with other providers.