Postmark and SendGrid Email Deliverability Comparison

Postmark

SendGrid

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

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
76.798 76.060	59.444 58.104	15.641 16.008	1.713 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. Postmark beats SendGrid in this comparison.

Inbox (%)	Spam (%)	Lost (%)
77.40 % 76.39 %	20.37 % 21.05 %	2.23 % 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, Postmark is the clear winner.

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

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

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.