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
64.932 65.170	50.153 50.776	13.282 13.059	1.497 1.335

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 (%)
77.24 % 77.91 %	20.46 % 20.04 %	2.31 % 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	5103 5054	3943 3909	1047 1048	113 97	77.27 % 77.34 %	20.52 % 20.74 %	2.21 % 1.92 %
Elektronics	4961 4865	3866 3784	977 983	118 98	77.93 % 77.78 %	19.69 % 20.21 %	2.38 % 2.01 %
Entertainment	5086 4883	3899 3811	1062 967	125 105	76.66 % 78.05 %	20.88 % 19.80 %	2.46 % 2.15 %
Cosmetics & Beauty	5102 5003	3963 3922	1018 985	121 96	77.68 % 78.39 %	19.95 % 19.69 %	2.37 % 1.92 %
Food & Drink	5136 5094	3928 3918	1081 1077	127 99	76.48 % 76.91 %	21.05 % 21.14 %	2.47 % 1.94 %
Home & Garden	4813 5052	3675 3925	1031 1016	107 111	76.36 % 77.69 %	21.42 % 20.11 %	2.22 % 2.20 %
Finance	5025 5254	4057 4268	845 882	123 104	80.74 % 81.23 %	16.82 % 16.79 %	2.45 % 1.98 %
Health	4953 4946	3995 4022	846 816	112 108	80.66 % 81.32 %	17.08 % 16.50 %	2.26 % 2.18 %
Pets	4990 5085	3847 3940	1031 1041	112 104	77.09 % 77.48 %	20.66 % 20.47 %	2.24 % 2.05 %
Sport & Fitness	4946 5081	3810 3966	1018 1018	118 97	77.03 % 78.06 %	20.58 % 20.04 %	2.39 % 1.91 %
Job & Career	4725 4957	3533 3705	1091 1146	101 106	74.77 % 74.74 %	23.09 % 23.12 %	2.14 % 2.14 %
Dating	5071 4950	3680 3655	1282 1198	109 97	72.57 % 73.84 %	25.28 % 24.20 %	2.15 % 1.96 %
Other	5021 4946	3957 3951	953 882	111 113	78.81 % 79.88 %	18.98 % 17.83 %	2.21 % 2.28 %

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	4574 4513	3353 3341	1124 1083	97 89	73.31 % 74.03 %	24.57 % 24.00 %	2.12 % 1.97 %
Outlook Mail	4731 4625	3584 3521	1046 1012	101 92	75.76 % 76.13 %	22.11 % 21.88 %	2.13 % 1.99 %
Yahoo Mail	4397 4521	3385 3465	917 960	95 96	76.98 % 76.64 %	20.86 % 21.23 %	2.16 % 2.12 %
AOL Mail	4653 4776	3547 3694	993 980	113 102	76.23 % 77.35 %	21.34 % 20.52 %	2.43 % 2.14 %
Mail.com	4754 4943	3721 3946	926 900	107 97	78.27 % 79.83 %	19.48 % 18.21 %	2.25 % 1.96 %
Yandex Mail	4689 4742	3607 3626	980 1017	102 99	76.92 % 76.47 %	20.90 % 21.45 %	2.18 % 2.09 %
GMX Mail	4629 4579	3482 3454	1048 1030	99 95	75.22 % 75.43 %	22.64 % 22.49 %	2.14 % 2.07 %
Zoho Mail	4600 4664	3586 3665	907 905	107 94	77.96 % 78.58 %	19.72 % 19.40 %	2.33 % 2.02 %
ProtonMail	4628 4584	3668 3702	854 793	106 89	79.26 % 80.76 %	18.45 % 17.30 %	2.29 % 1.94 %
Custom Mail	4683 4579	3768 3710	799 766	116 103	80.46 % 81.02 %	17.06 % 16.73 %	2.48 % 2.25 %
iCloud Mail	4593 4644	3406 3451	1080 1095	107 98	74.16 % 74.31 %	23.51 % 23.58 %	2.33 % 2.11 %
Tuta	4570 4740	3628 3800	829 842	113 98	79.39 % 80.17 %	18.14 % 17.76 %	2.47 % 2.07 %
Juno.com	4647 4891	3662 3897	869 893	116 101	78.80 % 79.68 %	18.70 % 18.26 %	2.50 % 2.07 %
Mailfence	4784 4369	3756 3504	910 783	118 82	78.51 % 80.20 %	19.02 % 17.92 %	2.47 % 1.88 %

Compare SendGrid with other providers

Compare the email deliverability of SendGrid with other providers.