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Postmark Email Deliverability Report for the year 2025

In this email deliverability report for Postmark (2025), there are, among other things, depth details on the deliverability of emails in comparison with other providers and how good the delivery rates in the numerous industries and with different email providers are.

There is a compact review of Postmark. It outlines the most important features of Postmark, answers some questions and also publishes user reviews.

Email deliverability for Postmark and other providers comparison

A total of 84.938 emails were sent with Postmark. A total of 69.936 emails were delivered to the recipient's main mailbox. Of all emails sent, 11.729 emails ended up in the spam folder. 2.763 emails were lost on the way to the recipients.

ProviderEmails sentEmails inboxEmails spamEmails lost
GetResponse 84.57873.334
(86.71 %)
9.158
(10.83 %)
2.401
(2.84 %)
AWeber 84.38772.245
(85.61 %)
9.910
(11.74 %)
2.075
(2.46 %)
Amazon SES 85.70473.273
(85.50 %)
9.869
(11.52 %)
2.366
(2.76 %)
CleverReach 84.23970.630
(83.84 %)
10.586
(12.57 %)
2.203
(2.62 %)
Klick-Tipp 84.71870.251
(82.92 %)
12.435
(14.68 %)
2.363
(2.79 %)
HubSpot 84.15569.627
(82.74 %)
11.452
(13.61 %)
2.661
(3.16 %)
Benchmark Email 84.88070.134
(82.63 %)
11.713
(13.80 %)
2.598
(3.06 %)
Clever Elements 84.50269.716
(82.50 %)
12.304
(14.56 %)
2.714
(3.21 %)
Postmark 84.93869.936
(82.34 %)
11.729
(13.81 %)
2.763
(3.25 %)
Kit 84.78469.550
(82.03 %)
13.672
(16.13 %)
2.536
(2.99 %)
Mailjet 83.79668.662
(81.94 %)
12.437
(14.84 %)
2.387
(2.85 %)
MailChimp 84.67869.218
(81.74 %)
13.070
(15.43 %)
2.781
(3.28 %)
ActiveCampaign 85.60669.123
(80.75 %)
12.243
(14.30 %)
2.667
(3.12 %)
CampaignMonitor 84.92768.413
(80.56 %)
13.469
(15.86 %)
2.844
(3.35 %)
Mailgun 85.18668.542
(80.46 %)
13.058
(15.33 %)
2.684
(3.15 %)
Rapidmail 84.97368.289
(80.37 %)
13.191
(15.52 %)
2.965
(3.49 %)
mailtrap 85.25768.310
(80.12 %)
13.985
(16.40 %)
3.039
(3.56 %)
Constant Contact 84.72967.781
(80.00 %)
14.515
(17.13 %)
2.968
(3.50 %)
Moosend 85.71668.385
(79.78 %)
14.405
(16.81 %)
2.648
(3.09 %)
MailerLite 85.01866.456
(78.17 %)
14.703
(17.29 %)
3.059
(3.60 %)
SendPulse 84.74165.956
(77.83 %)
16.130
(19.03 %)
3.285
(3.88 %)
Brevo 84.95565.981
(77.67 %)
16.383
(19.28 %)
3.252
(3.83 %)
SendGrid 84.62965.375
(77.25 %)
15.609
(18.44 %)
2.823
(3.34 %)
Sarbacane 84.51364.847
(76.73 %)
16.462
(19.48 %)
3.180
(3.76 %)
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Postmark email deliverability providers comparison 2025
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Email deliverability rates for Postmark and other providers comparison

82.34 % of 84.938 emails sent with Postmark ended up in the recipient's main mailbox. 13.81 % of all emails were moved from the email providers to the spam folder after successful delivery. 3.25 % of all emails sent did not reach the recipients.

ProviderInbox (%)Spam (%)Lost (%)
GetResponse 86.71 %
(73.334)
10.83 %
(9.158)
2.84 %
(2.401)
AWeber 85.61 %
(72.245)
11.74 %
(9.910)
2.46 %
(2.075)
Amazon SES 85.50 %
(73.273)
11.52 %
(9.869)
2.76 %
(2.366)
CleverReach 83.84 %
(70.630)
12.57 %
(10.586)
2.62 %
(2.203)
Klick-Tipp 82.92 %
(70.251)
14.68 %
(12.435)
2.79 %
(2.363)
HubSpot 82.74 %
(69.627)
13.61 %
(11.452)
3.16 %
(2.661)
Benchmark Email 82.63 %
(70.134)
13.80 %
(11.713)
3.06 %
(2.598)
Clever Elements 82.50 %
(69.716)
14.56 %
(12.304)
3.21 %
(2.714)
Postmark 82.34 %
(69.936)
13.81 %
(11.729)
3.25 %
(2.763)
Kit 82.03 %
(69.550)
16.13 %
(13.672)
2.99 %
(2.536)
Mailjet 81.94 %
(68.662)
14.84 %
(12.437)
2.85 %
(2.387)
MailChimp 81.74 %
(69.218)
15.43 %
(13.070)
3.28 %
(2.781)
ActiveCampaign 80.75 %
(69.123)
14.30 %
(12.243)
3.12 %
(2.667)
CampaignMonitor 80.56 %
(68.413)
15.86 %
(13.469)
3.35 %
(2.844)
Mailgun 80.46 %
(68.542)
15.33 %
(13.058)
3.15 %
(2.684)
Rapidmail 80.37 %
(68.289)
15.52 %
(13.191)
3.49 %
(2.965)
mailtrap 80.12 %
(68.310)
16.40 %
(13.985)
3.56 %
(3.039)
Constant Contact 80.00 %
(67.781)
17.13 %
(14.515)
3.50 %
(2.968)
Moosend 79.78 %
(68.385)
16.81 %
(14.405)
3.09 %
(2.648)
MailerLite 78.17 %
(66.456)
17.29 %
(14.703)
3.60 %
(3.059)
SendPulse 77.83 %
(65.956)
19.03 %
(16.130)
3.88 %
(3.285)
Brevo 77.67 %
(65.981)
19.28 %
(16.383)
3.83 %
(3.252)
SendGrid 77.25 %
(65.375)
18.44 %
(15.609)
3.34 %
(2.823)
Sarbacane 76.73 %
(64.847)
19.48 %
(16.462)
3.76 %
(3.180)
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Postmark email deliverability rates providers comparison 2025
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Email deliverability by category

The delivery of the emails with Postmark in the categories Home & Garden, Clothing, Food & Drink, Elektronics and Pets resulted in the best delivery rates. In contrast, the worst delivery rates were achieved for categories Job & Career, Dating, Health, Finance and Sport & Fitness.

CategoryEmails sentEmails inboxEmails spamEmails lostInbox (%)Spam (%)Lost (%)
Home & Garden 6.5565.50082318883.89 %12.55 %2.87 %
Clothing 6.4475.38781421083.56 %12.63 %3.26 %
Food & Drink 6.4905.42383819283.56 %12.91 %2.96 %
Elektronics 6.5325.43887320283.25 %13.36 %3.09 %
Pets 6.5185.42686618583.25 %13.29 %2.84 %
Cosmetics & Beauty 6.4455.34890517882.98 %14.04 %2.76 %
Other 6.4545.32387321182.48 %13.53 %3.27 %
Entertainment 6.5605.40491620082.38 %13.96 %3.05 %
Sport & Fitness 6.7395.50796423281.72 %14.30 %3.44 %
Finance 6.5435.31798522981.26 %15.05 %3.50 %
Health 6.4455.23490922381.21 %14.10 %3.46 %
Dating 6.4905.23494525680.65 %14.56 %3.94 %
Job & Career 6.7195.3951.01825780.29 %15.15 %3.82 %
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Postmark email deliverability by category 2025
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Email deliverability by email service provider

According to the test results, the three best email providers for highest delivery rates with Postmark are Custom Mail, Juno.com and ProtonMail. The delivery rates were worst for the email providers Gmail, Outlook Mail and iCloud Mail.

ProviderEmails sentEmails inboxEmails spamEmails lostInbox (%)Spam (%)Lost (%)
Custom Mail 6.6895.62386219784.06 %12.89 %2.95 %
Juno.com 6.6875.61586120083.97 %12.88 %2.99 %
ProtonMail 6.5365.48484319383.90 %12.90 %2.95 %
Tuta 6.4725.40584519983.51 %13.06 %3.07 %
Zoho Mail 6.5605.45985719483.22 %13.06 %2.96 %
GMX Mail 6.5655.45485420483.08 %13.01 %3.11 %
Mail.com 6.3485.24384518982.59 %13.31 %2.98 %
AOL Mail 6.4695.30387821981.98 %13.57 %3.39 %
Yahoo Mail 6.4005.23990721781.86 %14.17 %3.39 %
Yandex Mail 6.4815.27294823081.35 %14.63 %3.55 %
iCloud Mail 6.5285.27799222180.84 %15.20 %3.39 %
Outlook Mail 6.6155.32997924380.56 %14.80 %3.67 %
Gmail 6.5885.2331.05825779.43 %16.06 %3.90 %
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Postmark email deliverability by email service provider 2025
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All email deliverability reports for Postmark

All available email deliverability reports for Postmark.

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References and Resources

Further resources and references for Postmark.

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