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
65.185 64.919	50.153 50.483	13.533 13.108	1.499 1.328

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 (%)
76.94 % 77.76 %	20.76 % 20.19 %	2.30 % 2.05 %

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	5061 4961	3889 3834	1054 1029	118 98	76.84 % 77.28 %	20.83 % 20.74 %	2.33 % 1.98 %
Elektronics	5043 4886	3919 3792	1007 995	117 99	77.71 % 77.61 %	19.97 % 20.36 %	2.32 % 2.03 %
Entertainment	5009 5077	3816 3911	1073 1056	120 110	76.18 % 77.03 %	21.42 % 20.80 %	2.40 % 2.17 %
Cosmetics & Beauty	5165 4939	3989 3857	1056 987	120 95	77.23 % 78.09 %	20.45 % 19.98 %	2.32 % 1.92 %
Food & Drink	5126 5041	3916 3880	1094 1060	116 101	76.39 % 76.97 %	21.34 % 21.03 %	2.26 % 2.00 %
Home & Garden	4941 4911	3776 3830	1057 976	108 105	76.42 % 77.99 %	21.39 % 19.87 %	2.19 % 2.14 %
Finance	4994 5187	4012 4202	860 882	122 103	80.34 % 81.01 %	17.22 % 17.00 %	2.44 % 1.99 %
Health	5103 4990	4121 4089	869 799	113 102	80.76 % 81.94 %	17.03 % 16.01 %	2.21 % 2.04 %
Pets	5124 5064	3911 3908	1090 1048	123 108	76.33 % 77.17 %	21.27 % 20.70 %	2.40 % 2.13 %
Sport & Fitness	4949 4964	3797 3838	1030 1030	122 96	76.72 % 77.32 %	20.81 % 20.75 %	2.47 % 1.93 %
Job & Career	4643 4917	3435 3695	1105 1123	103 99	73.98 % 75.15 %	23.80 % 22.84 %	2.22 % 2.01 %
Dating	5001 4963	3629 3653	1261 1210	111 100	72.57 % 73.60 %	25.21 % 24.38 %	2.22 % 2.01 %
Other	5026 5019	3943 3994	977 913	106 112	78.45 % 79.58 %	19.44 % 18.19 %	2.11 % 2.23 %

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	4467 4490	3273 3294	1084 1111	110 85	73.27 % 73.36 %	24.27 % 24.74 %	2.46 % 1.89 %
Outlook Mail	4749 4554	3602 3450	1046 1009	101 95	75.85 % 75.76 %	22.03 % 22.16 %	2.13 % 2.09 %
Yahoo Mail	4588 4733	3513 3613	970 1022	105 98	76.57 % 76.34 %	21.14 % 21.59 %	2.29 % 2.07 %
AOL Mail	4540 4753	3433 3652	999 1003	108 98	75.62 % 76.84 %	22.00 % 21.10 %	2.38 % 2.06 %
Mail.com	4832 4829	3771 3857	952 871	109 101	78.04 % 79.87 %	19.70 % 18.04 %	2.26 % 2.09 %
Yandex Mail	4701 4621	3574 3537	1021 990	106 94	76.03 % 76.54 %	21.72 % 21.42 %	2.25 % 2.03 %
GMX Mail	4503 4662	3390 3517	1019 1045	94 100	75.28 % 75.44 %	22.63 % 22.42 %	2.09 % 2.15 %
Zoho Mail	4711 4636	3628 3676	977 865	106 95	77.01 % 79.29 %	20.74 % 18.66 %	2.25 % 2.05 %
ProtonMail	4501 4513	3552 3599	840 831	109 83	78.92 % 79.75 %	18.66 % 18.41 %	2.42 % 1.84 %
Custom Mail	4741 4622	3784 3768	846 751	111 103	79.81 % 81.52 %	17.84 % 16.25 %	2.34 % 2.23 %
iCloud Mail	4564 4550	3364 3366	1091 1091	109 93	73.71 % 73.98 %	23.90 % 23.98 %	2.39 % 2.04 %
Tuta	4795 4689	3785 3755	899 835	111 99	78.94 % 80.08 %	18.75 % 17.81 %	2.31 % 2.11 %
Juno.com	4717 4771	3724 3796	885 880	108 95	78.95 % 79.56 %	18.76 % 18.44 %	2.29 % 1.99 %
Mailfence	4776 4496	3760 3603	904 804	112 89	78.73 % 80.14 %	18.93 % 17.88 %	2.35 % 1.98 %

Compare SendGrid with other providers

Compare the email deliverability of SendGrid with other providers.