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
75.883 76.208	58.419 59.446	15.646 15.216	1.818 1.546

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 (%)
76.99 % 78.00 %	20.62 % 19.97 %	2.40 % 2.03 %

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	5963 5962	4546 4609	1277 1237	140 116	76.24 % 77.31 %	21.42 % 20.75 %	2.35 % 1.95 %
Elektronics	6002 5746	4662 4487	1193 1135	147 124	77.67 % 78.09 %	19.88 % 19.75 %	2.45 % 2.16 %
Entertainment	5767 5767	4427 4475	1196 1177	144 115	76.76 % 77.60 %	20.74 % 20.41 %	2.50 % 1.99 %
Cosmetics & Beauty	5849 5867	4533 4599	1172 1151	144 117	77.50 % 78.39 %	20.04 % 19.62 %	2.46 % 1.99 %
Food & Drink	5864 5848	4503 4519	1220 1222	141 107	76.79 % 77.27 %	20.80 % 20.90 %	2.40 % 1.83 %
Home & Garden	5642 5964	4306 4638	1204 1204	132 122	76.32 % 77.77 %	21.34 % 20.19 %	2.34 % 2.05 %
Finance	5836 6130	4668 4988	1022 1017	146 125	79.99 % 81.37 %	17.51 % 16.59 %	2.50 % 2.04 %
Health	5787 5936	4662 4850	989 963	136 123	80.56 % 81.70 %	17.09 % 16.22 %	2.35 % 2.07 %
Pets	5847 6013	4494 4653	1217 1238	136 122	76.86 % 77.38 %	20.81 % 20.59 %	2.33 % 2.03 %
Sport & Fitness	5781 5783	4456 4507	1182 1161	143 115	77.08 % 77.94 %	20.45 % 20.08 %	2.47 % 1.99 %
Job & Career	5626 5694	4169 4272	1327 1306	130 116	74.10 % 75.03 %	23.59 % 22.94 %	2.31 % 2.04 %
Dating	5974 5757	4319 4271	1523 1375	132 111	72.30 % 74.19 %	25.49 % 23.88 %	2.21 % 1.93 %
Other	5945 5741	4674 4578	1124 1030	147 133	78.62 % 79.74 %	18.91 % 17.94 %	2.47 % 2.32 %

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	5221 5221	3834 3883	1276 1236	111 102	73.43 % 74.37 %	24.44 % 23.67 %	2.13 % 1.95 %
Outlook Mail	5479 5281	4125 4016	1225 1158	129 107	75.29 % 76.05 %	22.36 % 21.93 %	2.35 % 2.03 %
Yahoo Mail	5230 5483	3999 4202	1107 1170	124 111	76.46 % 76.64 %	21.17 % 21.34 %	2.37 % 2.02 %
AOL Mail	5433 5582	4108 4329	1189 1136	136 117	75.61 % 77.55 %	21.88 % 20.35 %	2.50 % 2.10 %
Mail.com	5580 5748	4346 4587	1107 1051	127 110	77.89 % 79.80 %	19.84 % 18.28 %	2.28 % 1.91 %
Yandex Mail	5471 5529	4172 4238	1176 1173	123 118	76.26 % 76.65 %	21.50 % 21.22 %	2.25 % 2.13 %
GMX Mail	5383 5207	4056 3936	1196 1164	131 107	75.35 % 75.59 %	22.22 % 22.35 %	2.43 % 2.05 %
Zoho Mail	5433 5432	4211 4256	1092 1070	130 106	77.51 % 78.35 %	20.10 % 19.70 %	2.39 % 1.95 %
ProtonMail	5334 5417	4222 4360	984 958	128 99	79.15 % 80.49 %	18.45 % 17.69 %	2.40 % 1.83 %
Custom Mail	5464 5335	4394 4329	933 889	137 117	80.42 % 81.14 %	17.08 % 16.66 %	2.51 % 2.19 %
iCloud Mail	5390 5272	3977 3941	1283 1219	130 112	73.78 % 74.75 %	23.80 % 23.12 %	2.41 % 2.12 %
Tuta	5469 5623	4328 4510	1006 999	135 114	79.14 % 80.21 %	18.39 % 17.77 %	2.47 % 2.03 %
Juno.com	5495 5731	4329 4578	1025 1029	141 124	78.78 % 79.88 %	18.65 % 17.95 %	2.57 % 2.16 %
Mailfence	5501 5347	4318 4281	1047 964	136 102	78.49 % 80.06 %	19.03 % 18.03 %	2.47 % 1.91 %

Compare SendGrid with other providers

Compare the email deliverability of SendGrid with other providers.