SendGrid and Postmark Email Deliverability Comparison

SendGrid

Postmark

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

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
76.060 76.798	58.104 59.444	16.008 15.641	1.948 1.713

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. Postmark beats SendGrid in this comparison.

Inbox (%)	Spam (%)	Lost (%)
76.39 % 77.40 %	21.05 % 20.37 %	2.56 % 2.23 %

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, Postmark is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	5920 6023	4466 4621	1304 1271	150 131	75.44 % 76.72 %	22.03 % 21.10 %	2.53 % 2.17 %
Elektronics	6080 5836	4671 4530	1248 1176	161 130	76.83 % 77.62 %	20.53 % 20.15 %	2.65 % 2.23 %
Entertainment	5696 5800	4328 4456	1220 1225	148 119	75.98 % 76.83 %	21.42 % 21.12 %	2.60 % 2.05 %
Cosmetics & Beauty	5831 5908	4492 4597	1183 1184	156 127	77.04 % 77.81 %	20.29 % 20.04 %	2.68 % 2.15 %
Food & Drink	5938 5933	4519 4555	1272 1256	147 122	76.10 % 76.77 %	21.42 % 21.17 %	2.48 % 2.06 %
Home & Garden	5605 6024	4257 4641	1206 1249	142 134	75.95 % 77.04 %	21.52 % 20.73 %	2.53 % 2.22 %
Finance	5835 6100	4637 4945	1042 1013	156 142	79.47 % 81.07 %	17.86 % 16.61 %	2.67 % 2.33 %
Health	5816 6121	4649 4955	1018 1027	149 139	79.93 % 80.95 %	17.50 % 16.78 %	2.56 % 2.27 %
Pets	5821 6016	4443 4606	1241 1275	137 135	76.33 % 76.56 %	21.32 % 21.19 %	2.35 % 2.24 %
Sport & Fitness	5852 5696	4474 4426	1225 1145	153 125	76.45 % 77.70 %	20.93 % 20.10 %	2.61 % 2.19 %
Job & Career	5698 5828	4193 4344	1364 1351	141 133	73.59 % 74.54 %	23.94 % 23.18 %	2.47 % 2.28 %
Dating	5975 5816	4290 4275	1541 1409	144 132	71.80 % 73.50 %	25.79 % 24.23 %	2.41 % 2.27 %
Other	5993 5697	4685 4493	1144 1060	164 144	78.17 % 78.87 %	19.09 % 18.61 %	2.74 % 2.53 %

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, Postmark is better than SendGrid.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	5250 5291	3818 3899	1308 1274	124 118	72.72 % 73.69 %	24.91 % 24.08 %	2.36 % 2.23 %
Outlook Mail	5514 5439	4135 4102	1237 1216	142 121	74.99 % 75.42 %	22.43 % 22.36 %	2.58 % 2.22 %
Yahoo Mail	5260 5571	3954 4230	1172 1222	134 119	75.17 % 75.93 %	22.28 % 21.94 %	2.55 % 2.14 %
AOL Mail	5457 5502	4105 4233	1210 1137	142 132	75.22 % 76.94 %	22.17 % 20.67 %	2.60 % 2.40 %
Mail.com	5460 5715	4233 4517	1091 1074	136 124	77.53 % 79.04 %	19.98 % 18.79 %	2.49 % 2.17 %
Yandex Mail	5380 5557	4061 4241	1186 1193	133 123	75.48 % 76.32 %	22.04 % 21.47 %	2.47 % 2.21 %
GMX Mail	5467 5337	4087 4004	1234 1212	146 121	74.76 % 75.02 %	22.57 % 22.71 %	2.67 % 2.27 %
Zoho Mail	5426 5427	4201 4225	1092 1085	133 117	77.42 % 77.85 %	20.13 % 19.99 %	2.45 % 2.16 %
ProtonMail	5425 5458	4264 4373	1025 975	136 110	78.60 % 80.12 %	18.89 % 17.86 %	2.51 % 2.02 %
Custom Mail	5513 5333	4405 4300	967 914	141 119	79.90 % 80.63 %	17.54 % 17.14 %	2.56 % 2.23 %
iCloud Mail	5455 5380	3973 3973	1341 1279	141 128	72.83 % 73.85 %	24.58 % 23.77 %	2.58 % 2.38 %
Tuta	5400 5717	4241 4544	1016 1046	143 127	78.54 % 79.48 %	18.81 % 18.30 %	2.65 % 2.22 %
Juno.com	5523 5712	4308 4540	1062 1033	153 139	78.00 % 79.48 %	19.23 % 18.08 %	2.77 % 2.43 %
Mailfence	5530 5359	4319 4263	1067 981	144 115	78.10 % 79.55 %	19.29 % 18.31 %	2.60 % 2.15 %

Compare SendGrid with other providers

Compare the email deliverability of SendGrid with other providers.