Postmark and SendGrid Email Deliverability Comparison

Postmark

SendGrid

In this comparison, the deliverability of Postmark and SendGrid 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
65.137 65.240	50.600 50.398	13.149 13.343	1.388 1.499

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 (%)
77.68 % 77.25 %	20.19 % 20.45 %	2.13 % 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	5071 5144	3914 3942	1056 1089	101 113	77.18 % 76.63 %	20.82 % 21.17 %	1.99 % 2.20 %
Elektronics	4882 5097	3796 3976	979 1002	107 119	77.76 % 78.01 %	20.05 % 19.66 %	2.19 % 2.33 %
Entertainment	4910 4972	3793 3825	1011 1026	106 121	77.25 % 76.93 %	20.59 % 20.64 %	2.16 % 2.43 %
Cosmetics & Beauty	5043 5020	3928 3906	1011 996	104 118	77.89 % 77.81 %	20.05 % 19.84 %	2.06 % 2.35 %
Food & Drink	5038 5074	3866 3899	1075 1053	97 122	76.74 % 76.84 %	21.34 % 20.75 %	1.93 % 2.40 %
Home & Garden	5083 4840	3928 3707	1044 1032	111 101	77.28 % 76.59 %	20.54 % 21.32 %	2.18 % 2.09 %
Finance	5308 5019	4312 4029	881 866	115 124	81.24 % 80.27 %	16.60 % 17.25 %	2.17 % 2.47 %
Health	5000 4997	4060 4040	830 845	110 112	81.20 % 80.85 %	16.60 % 16.91 %	2.20 % 2.24 %
Pets	5137 5068	3965 3904	1063 1049	109 115	77.19 % 77.03 %	20.69 % 20.70 %	2.12 % 2.27 %
Sport & Fitness	4944 5024	3845 3885	997 1018	102 121	77.77 % 77.33 %	20.17 % 20.26 %	2.06 % 2.41 %
Job & Career	4922 4771	3676 3565	1142 1105	104 101	74.69 % 74.72 %	23.20 % 23.16 %	2.11 % 2.12 %
Dating	4871 5104	3605 3694	1165 1299	101 111	74.01 % 72.37 %	23.92 % 25.45 %	2.07 % 2.17 %
Other	4928 5110	3912 4026	895 963	121 121	79.38 % 78.79 %	18.16 % 18.85 %	2.46 % 2.37 %

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	4479 4516	3323 3314	1062 1112	94 90	74.19 % 73.38 %	23.71 % 24.62 %	2.10 % 1.99 %
Outlook Mail	4531 4739	3444 3592	991 1043	96 104	76.01 % 75.80 %	21.87 % 22.01 %	2.12 % 2.19 %
Yahoo Mail	4597 4427	3508 3389	991 940	98 98	76.31 % 76.55 %	21.56 % 21.23 %	2.13 % 2.21 %
AOL Mail	4857 4710	3756 3568	996 1026	105 116	77.33 % 75.75 %	20.51 % 21.78 %	2.16 % 2.46 %
Mail.com	4956 4794	3934 3752	923 936	99 106	79.38 % 78.26 %	18.62 % 19.52 %	2.00 % 2.21 %
Yandex Mail	4687 4688	3562 3594	1019 992	106 102	76.00 % 76.66 %	21.74 % 21.16 %	2.26 % 2.18 %
GMX Mail	4506 4597	3390 3470	1018 1022	98 105	75.23 % 75.48 %	22.59 % 22.23 %	2.17 % 2.28 %
Zoho Mail	4645 4658	3625 3631	924 921	96 106	78.04 % 77.95 %	19.89 % 19.77 %	2.07 % 2.28 %
ProtonMail	4620 4591	3706 3647	824 838	90 106	80.22 % 79.44 %	17.84 % 18.25 %	1.95 % 2.31 %
Custom Mail	4614 4670	3728 3774	781 786	105 110	80.80 % 80.81 %	16.93 % 16.83 %	2.28 % 2.36 %
iCloud Mail	4518 4601	3365 3413	1052 1077	101 111	74.48 % 74.18 %	23.28 % 23.41 %	2.24 % 2.41 %
Tuta	4771 4704	3807 3733	863 858	101 113	79.79 % 79.36 %	18.09 % 18.24 %	2.12 % 2.40 %
Juno.com	4871 4751	3869 3746	892 888	110 117	79.43 % 78.85 %	18.31 % 18.69 %	2.26 % 2.46 %
Mailfence	4485 4794	3583 3775	813 904	89 115	79.89 % 78.74 %	18.13 % 18.86 %	1.98 % 2.40 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.