Postmark and Sarbacane Email Deliverability Comparison

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

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
44.308 53.202	36.117 42.014	6.404 8.822	1.787 2.366

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 Sarbacane in this comparison.

Inbox (%)	Spam (%)	Lost (%)
81.51 % 78.97 %	14.45 % 16.58 %	4.03 % 4.45 %

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 4184	2867 3404	434 613	132 167	83.51 % 81.36 %	12.64 % 14.65 %	3.85 % 3.99 %
Elektronics	3414 4102	2823 3309	466 643	125 150	82.69 % 80.67 %	13.65 % 15.68 %	3.66 % 3.66 %
Entertainment	3342 4113	2714 3239	492 691	136 183	81.21 % 78.75 %	14.72 % 16.80 %	4.07 % 4.45 %
Cosmetics & Beauty	3358 4071	2715 3204	496 672	147 195	80.85 % 78.70 %	14.77 % 16.51 %	4.38 % 4.79 %
Food & Drink	3326 4137	2816 3347	407 607	103 183	84.67 % 80.90 %	12.24 % 14.67 %	3.10 % 4.42 %
Home & Garden	3410 4011	2873 3237	419 593	118 181	84.25 % 80.70 %	12.29 % 14.78 %	3.46 % 4.51 %
Finance	3489 4093	2723 3136	579 764	187 193	78.05 % 76.62 %	16.60 % 18.67 %	5.36 % 4.72 %
Health	3338 4070	2671 3178	516 720	151 172	80.02 % 78.08 %	15.46 % 17.69 %	4.52 % 4.23 %
Pets	3502 4084	2892 3291	472 635	138 158	82.58 % 80.58 %	13.48 % 15.55 %	3.94 % 3.87 %
Sport & Fitness	3373 3996	2723 3090	521 706	129 200	80.73 % 77.33 %	15.45 % 17.67 %	3.82 % 5.01 %
Job & Career	3392 4106	2684 3130	555 772	153 204	79.13 % 76.23 %	16.36 % 18.80 %	4.51 % 4.97 %
Dating	3355 4074	2663 3103	554 760	138 211	79.37 % 76.17 %	16.51 % 18.65 %	4.11 % 5.18 %
Other	3576 4161	2953 3346	493 646	130 169	82.58 % 80.41 %	13.79 % 15.53 %	3.64 % 4.06 %

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 Sarbacane.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	3380 4040	2556 2983	635 847	189 210	75.62 % 73.84 %	18.79 % 20.97 %	5.59 % 5.20 %
Outlook Mail	3267 4107	2603 3161	527 745	137 201	79.68 % 76.97 %	16.13 % 18.14 %	4.19 % 4.89 %
Yahoo Mail	3432 4100	2776 3219	518 697	138 184	80.89 % 78.51 %	15.09 % 17.00 %	4.02 % 4.49 %
AOL Mail	3495 3994	2818 3124	522 682	155 188	80.63 % 78.22 %	14.94 % 17.08 %	4.43 % 4.71 %
Mail.com	3428 4139	2808 3301	481 672	139 166	81.91 % 79.75 %	14.03 % 16.24 %	4.05 % 4.01 %
Yandex Mail	3340 4077	2660 3140	534 739	146 198	79.64 % 77.02 %	15.99 % 18.13 %	4.37 % 4.86 %
GMX Mail	3391 4158	2828 3367	430 625	133 166	83.40 % 80.98 %	12.68 % 15.03 %	3.92 % 3.99 %
Zoho Mail	3521 4073	2938 3300	457 612	126 161	83.44 % 81.02 %	12.98 % 15.03 %	3.58 % 3.95 %
ProtonMail	3357 4068	2836 3317	398 580	123 171	84.48 % 81.54 %	11.86 % 14.26 %	3.66 % 4.20 %
Custom Mail	3365 4161	2852 3415	408 597	105 149	84.75 % 82.07 %	12.12 % 14.35 %	3.12 % 3.58 %
iCloud Mail	3409 4084	2622 3015	619 820	168 249	76.91 % 73.82 %	18.16 % 20.08 %	4.93 % 6.10 %
Tuta	3543 4227	2971 3420	456 638	116 169	83.86 % 80.91 %	12.87 % 15.09 %	3.27 % 4.00 %
Juno.com	3380 3974	2849 3252	419 568	112 154	84.29 % 81.83 %	12.40 % 14.29 %	3.31 % 3.88 %

Compare Postmark with other providers

Compare the email deliverability of Postmark with other providers.