Postmark and Mailgun Email Deliverability Comparison

Postmark

Mailgun

In this comparison, the deliverability of Postmark and Mailgun 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 Mailgun.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
63.445 63.999	50.822 49.508	11.778 13.525	1.354 1.496

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 Mailgun in this comparison.

Inbox (%)	Spam (%)	Lost (%)
80.10 % 77.36 %	18.56 % 21.13 %	2.13 % 2.34 %

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	4784 5051	3827 3954	896 1018	102 113	80.00 % 78.28 %	18.73 % 20.15 %	2.13 % 2.24 %
Elektronics	4743 5044	3808 3932	875 1037	101 130	80.29 % 77.95 %	18.45 % 20.56 %	2.13 % 2.58 %
Entertainment	5083 4979	4042 3850	963 1060	120 114	79.52 % 77.32 %	18.95 % 21.29 %	2.36 % 2.29 %
Cosmetics & Beauty	4728 4990	3806 3870	876 1021	96 115	80.50 % 77.56 %	18.53 % 20.46 %	2.03 % 2.30 %
Food & Drink	4798 4820	3836 3750	913 1007	93 115	79.95 % 77.80 %	19.03 % 20.89 %	1.94 % 2.39 %
Home & Garden	4796 4971	3857 3832	863 1069	104 112	80.42 % 77.09 %	17.99 % 21.50 %	2.17 % 2.25 %
Finance	4978 4885	4085 3928	845 915	103 114	82.06 % 80.41 %	16.97 % 18.73 %	2.07 % 2.33 %
Health	4709 4897	3895 3866	721 948	98 109	82.71 % 78.95 %	15.31 % 19.36 %	2.08 % 2.23 %
Pets	4983 4883	3962 3717	938 1085	113 116	79.51 % 76.12 %	18.82 % 22.22 %	2.27 % 2.38 %
Sport & Fitness	5096 4858	4048 3731	976 1040	108 120	79.43 % 76.80 %	19.15 % 21.41 %	2.12 % 2.47 %
Job & Career	4854 4694	3814 3523	983 1090	101 106	78.57 % 75.05 %	20.25 % 23.22 %	2.08 % 2.26 %
Dating	4857 4718	3741 3480	1049 1156	103 112	77.02 % 73.76 %	21.60 % 24.50 %	2.12 % 2.37 %
Other	5036 5209	4101 4075	880 1079	112 120	81.43 % 78.23 %	17.47 % 20.71 %	2.22 % 2.30 %

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 Mailgun.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4638 4749	3591 3539	1000 1123	93 114	77.43 % 74.52 %	21.56 % 23.65 %	2.01 % 2.40 %
Outlook Mail	4562 4801	3585 3655	909 1057	101 116	78.58 % 76.13 %	19.93 % 22.02 %	2.21 % 2.42 %
Yahoo Mail	4625 4664	3657 3558	908 1011	101 106	79.07 % 76.29 %	19.63 % 21.68 %	2.18 % 2.27 %
AOL Mail	4633 4512	3688 3477	873 958	95 105	79.60 % 77.06 %	18.84 % 21.23 %	2.05 % 2.33 %
Mail.com	4620 4477	3772 3516	766 887	97 107	81.65 % 78.53 %	16.58 % 19.81 %	2.10 % 2.39 %
Yandex Mail	4706 4816	3758 3693	882 1054	101 107	79.86 % 76.68 %	18.74 % 21.89 %	2.15 % 2.22 %
GMX Mail	4690 4582	3679 3495	928 1042	111 109	78.44 % 76.28 %	19.79 % 22.74 %	2.37 % 2.38 %
Zoho Mail	4704 4636	3835 3606	817 969	99 115	81.53 % 77.78 %	17.37 % 20.90 %	2.10 % 2.48 %
ProtonMail	4536 4685	3702 3681	801 940	94 106	81.61 % 78.57 %	17.66 % 20.06 %	2.07 % 2.26 %
Custom Mail	4667 4758	3866 3782	748 895	103 100	82.84 % 79.49 %	16.03 % 18.81 %	2.21 % 2.10 %
iCloud Mail	4614 4667	3582 3484	966 1136	99 111	77.63 % 74.65 %	20.94 % 24.34 %	2.15 % 2.38 %
Tuta	4645 4667	3785 3699	801 929	99 112	81.49 % 79.26 %	17.24 % 19.91 %	2.13 % 2.40 %
Juno.com	4779 4673	3901 3679	834 927	101 117	81.63 % 78.73 %	17.45 % 19.84 %	2.11 % 2.50 %
Mailfence	3026 3312	2421 2644	545 597	60 71	80.01 % 79.83 %	18.01 % 18.03 %	1.98 % 2.14 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.