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
63.763 63.445	48.627 50.822	14.148 11.778	1.517 1.354

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 (%)
76.26 % 80.10 %	22.19 % 18.56 %	2.38 % 2.13 %

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	5052 4784	3843 3827	1128 896	123 102	76.07 % 80.00 %	22.33 % 18.73 %	2.43 % 2.13 %
Elektronics	4831 4743	3712 3808	1058 875	118 101	76.84 % 80.29 %	21.90 % 18.45 %	2.44 % 2.13 %
Entertainment	4928 5083	3748 4042	1120 963	118 120	76.06 % 79.52 %	22.73 % 18.95 %	2.39 % 2.36 %
Cosmetics & Beauty	5169 4728	3952 3806	1129 876	122 96	76.46 % 80.50 %	21.84 % 18.53 %	2.36 % 2.03 %
Food & Drink	4895 4798	3714 3836	1094 913	120 93	75.87 % 79.95 %	22.35 % 19.03 %	2.45 % 1.94 %
Home & Garden	4846 4796	3669 3857	1102 863	114 104	75.71 % 80.42 %	22.74 % 17.99 %	2.35 % 2.17 %
Finance	5029 4978	3930 4085	1020 845	124 103	78.15 % 82.06 %	20.28 % 16.97 %	2.47 % 2.07 %
Health	4894 4709	3867 3895	954 721	102 98	79.02 % 82.71 %	19.49 % 15.31 %	2.08 % 2.08 %
Pets	5017 4983	3813 3962	1116 938	124 113	76.00 % 79.51 %	22.24 % 18.82 %	2.47 % 2.27 %
Sport & Fitness	4830 5096	3686 4048	1089 976	122 108	76.31 % 79.43 %	22.55 % 19.15 %	2.53 % 2.12 %
Job & Career	4652 4854	3450 3814	1120 983	111 101	74.16 % 78.57 %	24.08 % 20.25 %	2.39 % 2.08 %
Dating	4736 4857	3479 3741	1175 1049	111 103	73.46 % 77.02 %	24.81 % 21.60 %	2.34 % 2.12 %
Other	4884 5036	3764 4101	1043 880	108 112	77.07 % 81.43 %	21.36 % 17.47 %	2.21 % 2.22 %

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	4707 4638	3472 3591	1154 1000	120 93	73.76 % 77.43 %	24.52 % 21.56 %	2.55 % 2.01 %
Outlook Mail	4784 4562	3620 3585	1099 909	109 101	75.67 % 78.58 %	22.97 % 19.93 %	2.28 % 2.21 %
Yahoo Mail	4589 4625	3508 3657	1011 908	113 101	76.44 % 79.07 %	22.03 % 19.63 %	2.46 % 2.18 %
AOL Mail	4500 4633	3398 3688	1033 873	108 95	75.51 % 79.60 %	22.96 % 18.84 %	2.40 % 2.05 %
Mail.com	4714 4620	3636 3772	1004 766	109 97	77.13 % 81.65 %	21.30 % 16.58 %	2.31 % 2.10 %
Yandex Mail	4643 4706	3521 3758	1066 882	107 101	75.83 % 79.86 %	22.96 % 18.74 %	2.30 % 2.15 %
GMX Mail	4574 4690	3450 3679	1073 928	101 111	75.43 % 78.44 %	23.46 % 19.79 %	2.21 % 2.37 %
Zoho Mail	4886 4704	3725 3835	1097 817	110 99	76.24 % 81.53 %	22.45 % 17.37 %	2.25 % 2.10 %
ProtonMail	4464 4536	3454 3702	938 801	109 94	77.37 % 81.61 %	21.01 % 17.66 %	2.44 % 2.07 %
Custom Mail	4727 4667	3657 3866	984 748	116 103	77.36 % 82.84 %	20.82 % 16.03 %	2.45 % 2.21 %
iCloud Mail	4605 4614	3400 3582	1120 966	114 99	73.83 % 77.63 %	24.32 % 20.94 %	2.48 % 2.15 %
Tuta	4628 4645	3589 3785	983 801	114 99	77.55 % 81.49 %	21.24 % 17.24 %	2.46 % 2.13 %
Juno.com	4703 4779	3654 3901	967 834	110 101	77.70 % 81.63 %	20.56 % 17.45 %	2.34 % 2.11 %
Mailfence	3239 3026	2543 2421	619 545	77 60	78.51 % 80.01 %	19.11 % 18.01 %	2.38 % 1.98 %

Compare SendGrid with other providers

Compare the email deliverability of SendGrid with other providers.