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
76.303 77.301	58.002 59.644	16.304 15.881	1.997 1.776

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 (%)
76.02 % 77.16 %	21.37 % 20.54 %	2.62 % 2.30 %

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	5965 6223	4487 4769	1329 1314	149 140	75.22 % 76.64 %	22.28 % 21.12 %	2.50 % 2.25 %
Elektronics	5985 5871	4561 4570	1263 1167	161 134	76.21 % 77.84 %	21.10 % 19.88 %	2.69 % 2.28 %
Entertainment	5627 5960	4248 4591	1238 1247	141 122	75.49 % 77.03 %	22.00 % 20.92 %	2.51 % 2.05 %
Cosmetics & Beauty	5894 5909	4530 4594	1201 1189	163 126	76.86 % 77.75 %	20.38 % 20.12 %	2.77 % 2.13 %
Food & Drink	5868 5893	4443 4518	1272 1249	153 126	75.72 % 76.67 %	21.68 % 21.19 %	2.61 % 2.14 %
Home & Garden	5755 6020	4323 4626	1277 1255	155 139	75.12 % 76.84 %	22.19 % 20.85 %	2.69 % 2.31 %
Finance	5902 5866	4678 4707	1065 1016	159 143	79.26 % 80.24 %	18.04 % 17.32 %	2.69 % 2.44 %
Health	5737 6028	4557 4852	1031 1041	149 135	79.43 % 80.49 %	17.97 % 17.27 %	2.60 % 2.24 %
Pets	5824 6083	4417 4634	1263 1310	144 139	75.84 % 76.18 %	21.69 % 21.54 %	2.47 % 2.29 %
Sport & Fitness	5806 5716	4418 4412	1236 1165	152 139	76.09 % 77.19 %	21.29 % 20.38 %	2.62 % 2.43 %
Job & Career	5890 5918	4309 4407	1422 1369	159 142	73.16 % 74.47 %	24.14 % 23.13 %	2.70 % 2.40 %
Dating	6018 5907	4339 4330	1532 1439	147 138	72.10 % 73.30 %	25.46 % 24.36 %	2.44 % 2.34 %
Other	6032 5907	4692 4634	1175 1120	165 153	77.79 % 78.45 %	19.48 % 18.96 %	2.74 % 2.59 %

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	5318 5360	3857 3949	1331 1278	130 133	72.53 % 73.68 %	25.03 % 23.84 %	2.44 % 2.48 %
Outlook Mail	5423 5461	4041 4108	1244 1232	138 121	74.52 % 75.22 %	22.94 % 22.56 %	2.54 % 2.22 %
Yahoo Mail	5322 5550	3990 4209	1195 1223	137 118	74.97 % 75.84 %	22.45 % 22.04 %	2.57 % 2.13 %
AOL Mail	5577 5429	4194 4148	1233 1153	150 128	75.20 % 76.40 %	22.11 % 21.24 %	2.69 % 2.36 %
Mail.com	5353 5528	4129 4361	1089 1042	135 125	77.13 % 78.89 %	20.34 % 18.85 %	2.52 % 2.26 %
Yandex Mail	5352 5569	4026 4255	1185 1192	141 122	75.22 % 76.41 %	22.14 % 21.40 %	2.63 % 2.19 %
GMX Mail	5779 5418	4295 4051	1318 1244	166 123	74.32 % 74.77 %	22.81 % 22.96 %	2.87 % 2.27 %
Zoho Mail	5400 5521	4167 4308	1098 1088	135 125	77.17 % 78.03 %	20.33 % 19.71 %	2.50 % 2.26 %
ProtonMail	5471 5639	4286 4482	1046 1032	139 125	78.34 % 79.48 %	19.12 % 18.30 %	2.54 % 2.22 %
Custom Mail	5498 5386	4336 4313	1018 957	144 116	78.87 % 80.08 %	18.52 % 17.77 %	2.62 % 2.15 %
iCloud Mail	5408 5534	3906 4043	1364 1354	138 137	72.23 % 73.06 %	25.22 % 24.47 %	2.55 % 2.48 %
Tuta	5273 5675	4094 4483	1033 1062	146 130	77.64 % 79.00 %	19.59 % 18.71 %	2.77 % 2.29 %
Juno.com	5599 5728	4363 4584	1079 998	157 146	77.92 % 80.03 %	19.27 % 17.42 %	2.80 % 2.55 %
Mailfence	5530 5503	4318 4350	1071 1026	141 127	78.08 % 79.05 %	19.37 % 18.64 %	2.55 % 2.31 %

Compare SendGrid with other providers

Compare the email deliverability of SendGrid with other providers.