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
76.020 77.364	57.862 60.340	16.204 15.418	1.954 1.606

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 (%)
76.11 % 77.99 %	21.32 % 19.93 %	2.57 % 2.08 %

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	5890 6125	4437 4737	1303 1265	150 123	75.33 % 77.34 %	22.12 % 20.65 %	2.55 % 2.01 %
Elektronics	6048 5829	4622 4554	1268 1152	158 123	76.42 % 78.13 %	20.97 % 19.76 %	2.61 % 2.11 %
Entertainment	5622 5939	4257 4607	1227 1218	138 114	75.72 % 77.57 %	21.82 % 20.51 %	2.45 % 1.92 %
Cosmetics & Beauty	5858 5972	4497 4699	1202 1157	159 116	76.77 % 78.68 %	20.52 % 19.37 %	2.71 % 1.94 %
Food & Drink	5897 5914	4470 4591	1282 1211	145 112	75.80 % 77.63 %	21.74 % 20.48 %	2.46 % 1.89 %
Home & Garden	5664 6083	4264 4729	1249 1227	151 127	75.28 % 77.74 %	22.05 % 20.17 %	2.67 % 2.09 %
Finance	5843 5980	4644 4887	1041 957	158 136	79.48 % 81.72 %	17.82 % 16.00 %	2.70 % 2.27 %
Health	5767 6023	4577 4892	1043 1009	147 122	79.37 % 81.22 %	18.09 % 16.75 %	2.55 % 2.03 %
Pets	5816 6058	4417 4677	1258 1257	141 124	75.95 % 77.20 %	21.63 % 20.75 %	2.42 % 2.05 %
Sport & Fitness	5815 5761	4441 4496	1221 1142	153 123	76.37 % 78.04 %	21.00 % 19.82 %	2.63 % 2.14 %
Job & Career	5804 5954	4254 4491	1399 1339	151 124	73.29 % 75.43 %	24.10 % 22.49 %	2.60 % 2.08 %
Dating	5947 5963	4274 4403	1532 1436	141 124	71.87 % 73.84 %	25.76 % 24.08 %	2.37 % 2.08 %
Other	6049 5763	4708 4577	1179 1048	162 138	77.83 % 79.42 %	19.49 % 18.18 %	2.68 % 2.39 %

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	5282 5361	3834 3973	1320 1270	128 118	72.59 % 74.11 %	24.99 % 23.69 %	2.42 % 2.20 %
Outlook Mail	5454 5479	4062 4166	1254 1206	138 107	74.48 % 76.04 %	22.99 % 22.01 %	2.53 % 1.95 %
Yahoo Mail	5391 5570	4040 4261	1215 1199	136 110	74.94 % 76.50 %	22.54 % 21.53 %	2.52 % 1.97 %
AOL Mail	5521 5446	4151 4213	1226 1110	144 123	75.19 % 77.36 %	22.21 % 20.38 %	2.61 % 2.26 %
Mail.com	5367 5653	4152 4514	1084 1027	131 112	77.36 % 79.85 %	20.20 % 18.17 %	2.44 % 1.98 %
Yandex Mail	5350 5609	4037 4327	1180 1168	133 114	75.46 % 77.14 %	22.06 % 20.82 %	2.49 % 2.03 %
GMX Mail	5582 5412	4153 4097	1275 1202	154 113	74.40 % 75.70 %	22.84 % 22.21 %	2.76 % 2.09 %
Zoho Mail	5323 5461	4111 4290	1079 1060	133 111	77.23 % 78.56 %	20.27 % 19.41 %	2.50 % 2.03 %
ProtonMail	5454 5591	4278 4497	1039 986	137 108	78.44 % 80.43 %	19.05 % 17.64 %	2.51 % 1.93 %
Custom Mail	5505 5358	4348 4335	1016 915	141 108	78.98 % 80.91 %	18.46 % 17.08 %	2.56 % 2.02 %
iCloud Mail	5399 5528	3902 4107	1359 1298	138 123	72.27 % 74.29 %	25.17 % 23.48 %	2.56 % 2.23 %
Tuta	5338 5765	4173 4608	1019 1039	146 118	78.18 % 79.93 %	19.09 % 18.02 %	2.74 % 2.05 %
Juno.com	5551 5695	4322 4582	1075 982	154 131	77.86 % 80.46 %	19.37 % 17.24 %	2.77 % 2.30 %
Mailfence	5503 5436	4299 4370	1063 956	141 110	78.12 % 80.39 %	19.32 % 17.59 %	2.56 % 2.02 %

Compare SendGrid with other providers

Compare the email deliverability of SendGrid with other providers.