Amazon SES and Postmark Email Deliverability Comparison

Amazon SES

Postmark

In this comparison, the deliverability of Amazon SES 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 Amazon SES.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
65.251 63.961	50.995 50.217	12.880 12.619	1.512 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 Amazon SES in this comparison.

Inbox (%)	Spam (%)	Lost (%)
78.15 % 78.51 %	19.74 % 19.73 %	2.32 % 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	5007 4804	3880 3757	1032 971	112 105	77.49 % 78.21 %	20.61 % 20.21 %	2.24 % 2.19 %
Elektronics	5002 4766	3917 3746	978 946	119 106	78.31 % 78.60 %	19.55 % 19.85 %	2.38 % 2.22 %
Entertainment	4940 5025	3861 3920	980 1009	108 117	78.16 % 78.01 %	19.84 % 20.08 %	2.19 % 2.33 %
Cosmetics & Beauty	5084 4806	4002 3784	985 947	107 99	78.72 % 78.73 %	19.37 % 19.70 %	2.10 % 2.06 %
Food & Drink	5128 4939	3992 3846	1028 1009	120 104	77.85 % 77.87 %	20.05 % 20.43 %	2.34 % 2.11 %
Home & Garden	5035 4853	3904 3813	1025 939	121 111	77.54 % 78.57 %	20.36 % 19.35 %	2.40 % 2.29 %
Finance	5047 5124	4121 4152	813 892	119 110	81.65 % 81.03 %	16.11 % 17.41 %	2.36 % 2.15 %
Health	5036 4903	4091 4012	833 783	114 108	81.24 % 81.83 %	16.54 % 15.97 %	2.26 % 2.20 %
Pets	4904 4994	3800 3887	1010 1004	112 115	77.49 % 77.83 %	20.60 % 20.10 %	2.28 % 2.30 %
Sport & Fitness	5080 4948	3956 3871	1019 997	120 106	77.87 % 78.23 %	20.06 % 20.15 %	2.36 % 2.14 %
Job & Career	5195 4860	3957 3703	1128 1080	117 109	76.17 % 76.19 %	21.71 % 22.22 %	2.25 % 2.24 %
Dating	4876 4816	3617 3616	1141 1124	119 106	74.18 % 75.08 %	23.40 % 23.34 %	2.44 % 2.20 %
Other	4917 5123	3897 4110	908 918	124 117	79.26 % 80.23 %	18.47 % 17.92 %	2.52 % 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 Amazon SES.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4863 4572	3671 3436	1091 1061	113 95	75.49 % 75.15 %	22.43 % 23.21 %	2.32 % 2.08 %
Outlook Mail	4669 4560	3596 3490	976 972	108 105	77.02 % 76.54 %	20.90 % 21.32 %	2.31 % 2.30 %
Yahoo Mail	4612 4647	3624 3595	895 968	106 104	78.58 % 77.36 %	19.41 % 20.83 %	2.30 % 2.24 %
AOL Mail	4893 4668	3830 3635	973 949	106 100	78.28 % 77.87 %	19.89 % 20.33 %	2.17 % 2.14 %
Mail.com	4597 4676	3631 3755	872 833	102 103	78.99 % 80.30 %	18.97 % 17.81 %	2.22 % 2.20 %
Yandex Mail	4643 4591	3588 3565	961 944	105 102	77.28 % 77.65 %	20.70 % 20.56 %	2.26 % 2.22 %
GMX Mail	4647 4634	3593 3552	965 994	108 110	77.32 % 76.65 %	20.77 % 21.45 %	2.32 % 2.37 %
Zoho Mail	4696 4714	3688 3774	912 866	108 102	78.53 % 80.06 %	19.42 % 18.37 %	2.30 % 2.16 %
ProtonMail	4871 4452	3895 3567	865 824	112 93	79.96 % 80.12 %	17.76 % 18.51 %	2.30 % 2.09 %
Custom Mail	4628 4631	3738 3783	798 756	102 108	80.77 % 81.69 %	17.24 % 16.32 %	2.20 % 2.33 %
iCloud Mail	4756 4587	3559 3469	1088 1035	119 102	74.83 % 75.63 %	22.88 % 22.56 %	2.50 % 2.22 %
Tuta	4809 4657	3810 3750	895 833	120 106	79.23 % 80.52 %	18.61 % 17.89 %	2.50 % 2.28 %
Juno.com	4601 4828	3672 3877	817 887	109 105	79.81 % 80.30 %	17.76 % 18.37 %	2.37 % 2.17 %
Mailfence	3966 3744	3100 2969	772 697	94 78	78.16 % 79.30 %	19.47 % 18.62 %	2.37 % 2.08 %

Compare Amazon SES with other providers

Compare the email deliverability of Amazon SES with other providers.