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
64.547 63.961	49.094 50.217	14.120 12.619	1.594 1.413

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 (%)
76.06 % 78.51 %	21.88 % 19.73 %	2.47 % 2.21 %

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	5059 4804	3839 3757	1121 971	126 105	75.88 % 78.21 %	22.16 % 20.21 %	2.49 % 2.19 %
Elektronics	4978 4766	3821 3746	1057 946	126 106	76.76 % 78.60 %	21.23 % 19.85 %	2.53 % 2.22 %
Entertainment	5004 5025	3771 3920	1134 1009	128 117	75.36 % 78.01 %	22.66 % 20.08 %	2.56 % 2.33 %
Cosmetics & Beauty	5094 4806	3896 3784	1080 947	124 99	76.48 % 78.73 %	21.20 % 19.70 %	2.43 % 2.06 %
Food & Drink	5062 4939	3823 3846	1128 1009	125 104	75.52 % 77.87 %	22.28 % 20.43 %	2.47 % 2.11 %
Home & Garden	4911 4853	3715 3813	1105 939	116 111	75.65 % 78.57 %	22.50 % 19.35 %	2.36 % 2.29 %
Finance	5039 5124	3961 4152	972 892	129 110	78.61 % 81.03 %	19.29 % 17.41 %	2.56 % 2.15 %
Health	4971 4903	3953 4012	914 783	113 108	79.52 % 81.83 %	18.39 % 15.97 %	2.27 % 2.20 %
Pets	5036 4994	3814 3887	1105 1004	132 115	75.73 % 77.83 %	21.94 % 20.10 %	2.62 % 2.30 %
Sport & Fitness	4891 4948	3712 3871	1088 997	129 106	75.89 % 78.23 %	22.24 % 20.15 %	2.64 % 2.14 %
Job & Career	4630 4860	3393 3703	1133 1080	114 109	73.28 % 76.19 %	24.47 % 22.22 %	2.46 % 2.24 %
Dating	4935 4816	3577 3616	1252 1124	120 106	72.48 % 75.08 %	25.37 % 23.34 %	2.43 % 2.20 %
Other	4937 5123	3819 4110	1031 918	112 117	77.35 % 80.23 %	20.88 % 17.92 %	2.27 % 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	4616 4572	3369 3436	1142 1061	122 95	72.99 % 75.15 %	24.74 % 23.21 %	2.64 % 2.08 %
Outlook Mail	4779 4560	3606 3490	1083 972	112 105	75.46 % 76.54 %	22.66 % 21.32 %	2.34 % 2.30 %
Yahoo Mail	4541 4647	3450 3595	1002 968	113 104	75.97 % 77.36 %	22.07 % 20.83 %	2.49 % 2.24 %
AOL Mail	4511 4668	3386 3635	1041 949	115 100	75.06 % 77.87 %	23.08 % 20.33 %	2.55 % 2.14 %
Mail.com	4781 4676	3683 3755	998 833	115 103	77.03 % 80.30 %	20.87 % 17.81 %	2.41 % 2.20 %
Yandex Mail	4658 4591	3494 3565	1075 944	112 102	75.01 % 77.65 %	23.08 % 20.56 %	2.40 % 2.22 %
GMX Mail	4600 4634	3450 3552	1073 994	104 110	75.00 % 76.65 %	23.33 % 21.45 %	2.26 % 2.37 %
Zoho Mail	4791 4714	3649 3774	1055 866	112 102	76.16 % 80.06 %	22.02 % 18.37 %	2.34 % 2.16 %
ProtonMail	4516 4452	3490 3567	923 824	116 93	77.28 % 80.12 %	20.44 % 18.51 %	2.57 % 2.09 %
Custom Mail	4727 4631	3689 3783	926 756	117 108	78.04 % 81.69 %	19.59 % 16.32 %	2.48 % 2.33 %
iCloud Mail	4569 4587	3361 3469	1114 1035	118 102	73.56 % 75.63 %	24.38 % 22.56 %	2.58 % 2.22 %
Tuta	4715 4657	3647 3750	969 833	120 106	77.35 % 80.52 %	20.55 % 17.89 %	2.55 % 2.28 %
Juno.com	4710 4828	3667 3877	940 887	117 105	77.86 % 80.30 %	19.96 % 18.37 %	2.48 % 2.17 %
Mailfence	4033 3744	3153 2969	779 697	101 78	78.18 % 79.30 %	19.32 % 18.62 %	2.50 % 2.08 %

Compare SendGrid with other providers

Compare the email deliverability of SendGrid with other providers.