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
65.027 64.970	50.616 49.945	13.085 13.532	1.326 1.493

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 (%)
77.84 % 76.87 %	20.12 % 20.83 %	2.04 % 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	4970 5069	3843 3921	1033 1037	94 111	77.32 % 77.35 %	20.78 % 20.46 %	1.89 % 2.19 %
Elektronics	4862 4956	3785 3829	983 1009	94 118	77.85 % 77.26 %	20.22 % 20.36 %	1.93 % 2.38 %
Entertainment	4997 4997	3877 3813	1015 1061	105 123	77.59 % 76.31 %	20.31 % 21.23 %	2.10 % 2.46 %
Cosmetics & Beauty	4939 5082	3869 3911	976 1052	94 119	78.34 % 76.96 %	19.76 % 20.70 %	1.90 % 2.34 %
Food & Drink	5061 5121	3882 3910	1078 1093	101 118	76.70 % 76.35 %	21.30 % 21.34 %	2.00 % 2.30 %
Home & Garden	5067 4885	3946 3714	1012 1063	109 108	77.88 % 76.03 %	19.97 % 21.76 %	2.15 % 2.21 %
Finance	5190 4986	4199 4004	884 859	107 123	80.91 % 80.30 %	17.03 % 17.23 %	2.06 % 2.47 %
Health	4964 5064	4038 4078	818 873	108 113	81.35 % 80.53 %	16.48 % 17.24 %	2.18 % 2.23 %
Pets	5115 5145	3960 3945	1051 1080	104 120	77.42 % 76.68 %	20.55 % 20.99 %	2.03 % 2.33 %
Sport & Fitness	4997 4935	3891 3787	1008 1027	98 121	77.87 % 76.74 %	20.17 % 20.81 %	1.96 % 2.45 %
Job & Career	4970 4611	3720 3408	1149 1101	101 102	74.85 % 73.91 %	23.12 % 23.88 %	2.03 % 2.21 %
Dating	4915 5050	3632 3651	1185 1289	98 110	73.90 % 72.30 %	24.11 % 25.52 %	1.99 % 2.18 %
Other	4980 5069	3974 3974	893 988	113 107	79.80 % 78.40 %	17.93 % 19.49 %	2.27 % 2.11 %

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	4525 4569	3346 3357	1094 1109	85 103	73.94 % 73.47 %	24.18 % 24.27 %	1.88 % 2.25 %
Outlook Mail	4546 4754	3464 3604	993 1051	89 99	76.20 % 75.81 %	21.84 % 22.11 %	1.96 % 2.08 %
Yahoo Mail	4730 4473	3610 3414	1018 953	102 106	76.32 % 76.32 %	21.52 % 21.31 %	2.16 % 2.37 %
AOL Mail	4744 4547	3664 3435	980 1005	100 107	77.23 % 75.54 %	20.66 % 22.10 %	2.11 % 2.35 %
Mail.com	4897 4722	3912 3686	888 929	97 107	79.89 % 78.06 %	18.13 % 19.67 %	1.98 % 2.27 %
Yandex Mail	4667 4631	3569 3519	1003 1008	95 104	76.47 % 75.99 %	21.49 % 21.77 %	2.04 % 2.25 %
GMX Mail	4666 4530	3499 3396	1066 1042	101 92	74.99 % 74.97 %	22.85 % 23.00 %	2.16 % 2.03 %
Zoho Mail	4684 4641	3686 3576	906 957	92 108	78.69 % 77.05 %	19.34 % 20.62 %	1.96 % 2.33 %
ProtonMail	4568 4655	3673 3674	810 871	85 110	80.41 % 78.93 %	17.73 % 18.71 %	1.86 % 2.36 %
Custom Mail	4630 4671	3781 3740	744 821	105 110	81.66 % 80.07 %	16.07 % 17.58 %	2.27 % 2.35 %
iCloud Mail	4587 4667	3396 3451	1093 1106	98 110	74.04 % 73.94 %	23.83 % 23.70 %	2.14 % 2.36 %
Tuta	4684 4712	3760 3707	826 891	98 114	80.27 % 78.67 %	17.63 % 18.91 %	2.09 % 2.42 %
Juno.com	4737 4667	3776 3677	866 879	95 111	79.71 % 78.79 %	18.28 % 18.83 %	2.01 % 2.38 %
Mailfence	4362 4731	3480 3709	798 910	84 112	79.78 % 78.40 %	18.29 % 19.23 %	1.93 % 2.37 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.