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
44.308 402.780	36.117 303.984	6.404 83.770	1.787 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 (%)
81.51 % 75.47 %	14.45 % 20.80 %	4.03 % 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	3433 30967	2867 24340	434 5573	132 1054	83.51 % 78.60 %	12.64 % 18.00 %	3.85 % 3.40 %
Elektronics	3414 30895	2823 23568	466 6254	125 1073	82.69 % 76.28 %	13.65 % 20.24 %	3.66 % 3.47 %
Entertainment	3342 31027	2714 23293	492 6580	136 1154	81.21 % 75.07 %	14.72 % 21.21 %	4.07 % 3.72 %
Cosmetics & Beauty	3358 30995	2715 23278	496 6495	147 1222	80.85 % 75.10 %	14.77 % 20.95 %	4.38 % 3.94 %
Food & Drink	3326 31626	2816 24770	407 5807	103 1049	84.67 % 78.32 %	12.24 % 18.36 %	3.10 % 3.32 %
Home & Garden	3410 31435	2873 24684	419 5724	118 1027	84.25 % 78.52 %	12.29 % 18.21 %	3.46 % 3.27 %
Finance	3489 31001	2723 22348	579 7319	187 1334	78.05 % 72.09 %	16.60 % 23.61 %	5.36 % 4.30 %
Health	3338 30974	2671 22552	516 7177	151 1245	80.02 % 72.81 %	15.46 % 23.17 %	4.52 % 4.02 %
Pets	3502 31300	2892 24299	472 5924	138 1077	82.58 % 77.63 %	13.48 % 18.93 %	3.94 % 3.44 %
Sport & Fitness	3373 30500	2723 22771	521 6521	129 1208	80.73 % 74.66 %	15.45 % 21.38 %	3.82 % 3.96 %
Job & Career	3392 30761	2684 22618	555 6889	153 1254	79.13 % 73.53 %	16.36 % 22.40 %	4.51 % 4.08 %
Dating	3355 30610	2663 21675	554 7709	138 1226	79.37 % 70.81 %	16.51 % 25.18 %	4.11 % 4.01 %
Other	3576 30689	2953 23788	493 5798	130 1103	82.58 % 77.51 %	13.79 % 18.89 %	3.64 % 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	3380 40872	2556 29396	635 9825	189 1651	75.62 % 71.92 %	18.79 % 24.04 %	5.59 % 4.04 %
Outlook Mail	3267 39335	2603 28795	527 8946	137 1594	79.68 % 73.20 %	16.13 % 22.74 %	4.19 % 4.05 %
Yahoo Mail	3432 39623	2776 29861	518 8266	138 1496	80.89 % 75.36 %	15.09 % 20.86 %	4.02 % 3.78 %
AOL Mail	3495 40403	2818 30219	522 8592	155 1592	80.63 % 74.79 %	14.94 % 21.27 %	4.43 % 3.94 %
Mail.com	3428 40085	2808 30627	481 8007	139 1451	81.91 % 76.41 %	14.03 % 19.98 %	4.05 % 3.62 %
Yandex Mail	3340 39964	2660 29495	534 8908	146 1561	79.64 % 73.80 %	15.99 % 22.29 %	4.37 % 3.91 %
GMX Mail	3391 39884	2828 30400	430 8097	133 1387	83.40 % 76.22 %	12.68 % 20.30 %	3.92 % 3.48 %
Zoho Mail	3521 39823	2938 30796	457 7635	126 1392	83.44 % 77.33 %	12.98 % 19.17 %	3.58 % 3.50 %
ProtonMail	3357 40373	2836 31130	398 7817	123 1426	84.48 % 77.11 %	11.86 % 19.36 %	3.66 % 3.53 %
Custom Mail	3365 40291	2852 31574	408 7332	105 1385	84.75 % 78.36 %	12.12 % 18.20 %	3.12 % 3.44 %
iCloud Mail	3409 712	2622 535	619 141	168 36	76.91 % 75.14 %	18.16 % 19.80 %	4.93 % 5.06 %
Tuta	3543 725	2971 595	456 106	116 24	83.86 % 82.07 %	12.87 % 14.62 %	3.27 % 3.31 %
Juno.com	3380 690	2849 561	419 98	112 31	84.29 % 81.30 %	12.40 % 14.20 %	3.31 % 4.49 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.