Postmark and SendInBlue Email Deliverability Comparison

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

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
62.077 402.780	50.973 303.984	8.694 83.770	2.410 15.026

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 SendInBlue in this comparison.

Inbox (%)	Spam (%)	Lost (%)
82.11 % 75.47 %	14.01 % 20.80 %	3.88 % 3.73 %

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	4830 30967	4056 24340	592 5573	182 1054	83.98 % 78.60 %	12.26 % 18.00 %	3.77 % 3.40 %
Elektronics	4784 30895	3986 23568	631 6254	167 1073	83.32 % 76.28 %	13.19 % 20.24 %	3.49 % 3.47 %
Entertainment	4674 31027	3825 23293	665 6580	184 1154	81.84 % 75.07 %	14.23 % 21.21 %	3.94 % 3.72 %
Cosmetics & Beauty	4777 30995	3902 23278	679 6495	196 1222	81.68 % 75.10 %	14.21 % 20.95 %	4.10 % 3.94 %
Food & Drink	4630 31626	3945 24770	545 5807	140 1049	85.21 % 78.32 %	11.77 % 18.36 %	3.02 % 3.32 %
Home & Garden	4818 31435	4086 24684	570 5724	162 1027	84.81 % 78.52 %	11.83 % 18.21 %	3.36 % 3.27 %
Finance	4847 31001	3831 22348	783 7319	233 1334	79.04 % 72.09 %	16.15 % 23.61 %	4.81 % 4.30 %
Health	4745 30974	3829 22552	712 7177	204 1245	80.70 % 72.81 %	15.01 % 23.17 %	4.30 % 4.02 %
Pets	4821 31300	4013 24299	627 5924	181 1077	83.24 % 77.63 %	13.01 % 18.93 %	3.75 % 3.44 %
Sport & Fitness	4709 30500	3824 22771	710 6521	175 1208	81.21 % 74.66 %	15.08 % 21.38 %	3.72 % 3.96 %
Job & Career	4745 30761	3782 22618	759 6889	204 1254	79.70 % 73.53 %	16.00 % 22.40 %	4.30 % 4.08 %
Dating	4746 30610	3771 21675	765 7709	210 1226	79.46 % 70.81 %	16.12 % 25.18 %	4.42 % 4.01 %
Other	4951 30689	4123 23788	656 5798	172 1103	83.28 % 77.51 %	13.25 % 18.89 %	3.47 % 3.59 %

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 SendInBlue.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4728 40872	3610 29396	871 9825	247 1651	76.35 % 71.92 %	18.42 % 24.04 %	5.22 % 4.04 %
Outlook Mail	4561 39335	3660 28795	713 8946	188 1594	80.25 % 73.20 %	15.63 % 22.74 %	4.12 % 4.05 %
Yahoo Mail	4764 39623	3877 29861	699 8266	188 1496	81.38 % 75.36 %	14.67 % 20.86 %	3.95 % 3.78 %
AOL Mail	4865 40403	3963 30219	705 8592	197 1592	81.46 % 74.79 %	14.49 % 21.27 %	4.05 % 3.94 %
Mail.com	4799 40085	3957 30627	651 8007	191 1451	82.45 % 76.41 %	13.57 % 19.98 %	3.98 % 3.62 %
Yandex Mail	4676 39964	3761 29495	724 8908	191 1561	80.43 % 73.80 %	15.48 % 22.29 %	4.08 % 3.91 %
GMX Mail	4739 39884	3982 30400	585 8097	172 1387	84.03 % 76.22 %	12.34 % 20.30 %	3.63 % 3.48 %
Zoho Mail	4909 39823	4131 30796	614 7635	164 1392	84.15 % 77.33 %	12.51 % 19.17 %	3.34 % 3.50 %
ProtonMail	4740 40373	4028 31130	546 7817	166 1426	84.98 % 77.11 %	11.52 % 19.36 %	3.50 % 3.53 %
Custom Mail	4800 40291	4082 31574	561 7332	157 1385	85.04 % 78.36 %	11.69 % 18.20 %	3.27 % 3.44 %
iCloud Mail	4793 712	3721 535	844 141	228 36	77.63 % 75.14 %	17.61 % 19.80 %	4.76 % 5.06 %
Tuta	4930 725	4153 595	616 106	161 24	84.24 % 82.07 %	12.49 % 14.62 %	3.27 % 3.31 %
Juno.com	4773 690	4048 561	565 98	160 31	84.81 % 81.30 %	11.84 % 14.20 %	3.35 % 4.49 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.