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
64.919 65.185	50.483 50.153	13.108 13.533	1.328 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 (%)
77.76 % 76.94 %	20.19 % 20.76 %	2.05 % 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	4961 5061	3834 3889	1029 1054	98 118	77.28 % 76.84 %	20.74 % 20.83 %	1.98 % 2.33 %
Elektronics	4886 5043	3792 3919	995 1007	99 117	77.61 % 77.71 %	20.36 % 19.97 %	2.03 % 2.32 %
Entertainment	5077 5009	3911 3816	1056 1073	110 120	77.03 % 76.18 %	20.80 % 21.42 %	2.17 % 2.40 %
Cosmetics & Beauty	4939 5165	3857 3989	987 1056	95 120	78.09 % 77.23 %	19.98 % 20.45 %	1.92 % 2.32 %
Food & Drink	5041 5126	3880 3916	1060 1094	101 116	76.97 % 76.39 %	21.03 % 21.34 %	2.00 % 2.26 %
Home & Garden	4911 4941	3830 3776	976 1057	105 108	77.99 % 76.42 %	19.87 % 21.39 %	2.14 % 2.19 %
Finance	5187 4994	4202 4012	882 860	103 122	81.01 % 80.34 %	17.00 % 17.22 %	1.99 % 2.44 %
Health	4990 5103	4089 4121	799 869	102 113	81.94 % 80.76 %	16.01 % 17.03 %	2.04 % 2.21 %
Pets	5064 5124	3908 3911	1048 1090	108 123	77.17 % 76.33 %	20.70 % 21.27 %	2.13 % 2.40 %
Sport & Fitness	4964 4949	3838 3797	1030 1030	96 122	77.32 % 76.72 %	20.75 % 20.81 %	1.93 % 2.47 %
Job & Career	4917 4643	3695 3435	1123 1105	99 103	75.15 % 73.98 %	22.84 % 23.80 %	2.01 % 2.22 %
Dating	4963 5001	3653 3629	1210 1261	100 111	73.60 % 72.57 %	24.38 % 25.21 %	2.01 % 2.22 %
Other	5019 5026	3994 3943	913 977	112 106	79.58 % 78.45 %	18.19 % 19.44 %	2.23 % 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	4490 4467	3294 3273	1111 1084	85 110	73.36 % 73.27 %	24.74 % 24.27 %	1.89 % 2.46 %
Outlook Mail	4554 4749	3450 3602	1009 1046	95 101	75.76 % 75.85 %	22.16 % 22.03 %	2.09 % 2.13 %
Yahoo Mail	4733 4588	3613 3513	1022 970	98 105	76.34 % 76.57 %	21.59 % 21.14 %	2.07 % 2.29 %
AOL Mail	4753 4540	3652 3433	1003 999	98 108	76.84 % 75.62 %	21.10 % 22.00 %	2.06 % 2.38 %
Mail.com	4829 4832	3857 3771	871 952	101 109	79.87 % 78.04 %	18.04 % 19.70 %	2.09 % 2.26 %
Yandex Mail	4621 4701	3537 3574	990 1021	94 106	76.54 % 76.03 %	21.42 % 21.72 %	2.03 % 2.25 %
GMX Mail	4662 4503	3517 3390	1045 1019	100 94	75.44 % 75.28 %	22.42 % 22.63 %	2.15 % 2.09 %
Zoho Mail	4636 4711	3676 3628	865 977	95 106	79.29 % 77.01 %	18.66 % 20.74 %	2.05 % 2.25 %
ProtonMail	4513 4501	3599 3552	831 840	83 109	79.75 % 78.92 %	18.41 % 18.66 %	1.84 % 2.42 %
Custom Mail	4622 4741	3768 3784	751 846	103 111	81.52 % 79.81 %	16.25 % 17.84 %	2.23 % 2.34 %
iCloud Mail	4550 4564	3366 3364	1091 1091	93 109	73.98 % 73.71 %	23.98 % 23.90 %	2.04 % 2.39 %
Tuta	4689 4795	3755 3785	835 899	99 111	80.08 % 78.94 %	17.81 % 18.75 %	2.11 % 2.31 %
Juno.com	4771 4717	3796 3724	880 885	95 108	79.56 % 78.95 %	18.44 % 18.76 %	1.99 % 2.29 %
Mailfence	4496 4776	3603 3760	804 904	89 112	80.14 % 78.73 %	17.88 % 18.93 %	1.98 % 2.35 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.