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Postmark Email Deliverability Report for the year 2025 (October)

In this email deliverability report for Postmark (October 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 10.833 emails were sent with Postmark. A total of 7.918 emails were delivered to the recipient's main mailbox. Of all emails sent, 2.556 emails ended up in the spam folder. 359 emails were lost on the way to the recipients.

ProviderEmails sentEmails inboxEmails spamEmails lost
Clever Elements 10.7318.618
(80.31 %) 		2.000
(18.64 %) 		113
(1.05 %)
Brevo 10.8538.703
(80.19 %) 		2.001
(18.44 %) 		149
(1.37 %)
ActiveCampaign 10.8828.701
(79.96 %) 		2.031
(18.66 %) 		151
(1.39 %)
Mailjet 10.8418.655
(79.84 %) 		2.040
(18.82 %) 		146
(1.35 %)
Constant Contact 10.8198.593
(79.43 %) 		1.950
(18.02 %) 		278
(2.57 %)
Benchmark Email 10.7888.556
(79.31 %) 		2.076
(19.24 %) 		157
(1.46 %)
SendPulse 11.1158.794
(79.12 %) 		2.190
(19.70 %) 		131
(1.18 %)
Kit 11.0418.729
(79.06 %) 		2.184
(19.78 %) 		128
(1.16 %)
Sarbacane 11.0678.739
(78.96 %) 		2.202
(19.90 %) 		126
(1.14 %)
AWeber 11.2848.883
(78.72 %) 		2.191
(19.42 %) 		210
(1.86 %)
MailChimp 10.7748.479
(78.70 %) 		2.131
(19.78 %) 		165
(1.53 %)
Moosend 11.0428.653
(78.36 %) 		2.119
(19.19 %) 		271
(2.45 %)
CleverReach 10.6848.326
(77.93 %) 		2.150
(20.12 %) 		208
(1.95 %)
Rapidmail 10.7518.366
(77.82 %) 		2.185
(20.32 %) 		200
(1.86 %)
GetResponse 11.0448.586
(77.74 %) 		2.233
(20.22 %) 		225
(2.04 %)
Amazon SES 10.9668.499
(77.50 %) 		2.326
(21.21 %) 		141
(1.29 %)
MailerLite 11.0228.536
(77.45 %) 		2.313
(20.99 %) 		173
(1.57 %)
Klick-Tipp 10.8698.178
(75.24 %) 		2.374
(21.84 %) 		317
(2.92 %)
HubSpot 10.8358.061
(74.40 %) 		2.498
(23.05 %) 		277
(2.56 %)
CampaignMonitor 10.9398.115
(74.18 %) 		2.612
(23.88 %) 		212
(1.94 %)
mailtrap 10.7157.869
(73.44 %) 		2.518
(23.50 %) 		328
(3.06 %)
Postmark 10.8337.918
(73.09 %) 		2.556
(23.59 %) 		359
(3.31 %)
Mailgun 10.6827.758
(72.63 %) 		2.571
(24.07 %) 		353
(3.30 %)
SendGrid 11.0487.994
(72.36 %) 		2.666
(24.13 %) 		388
(3.51 %)
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Postmark email deliverability providers comparison 2025 (October)
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Email deliverability rates for Postmark and other providers comparison

73.09 % of 10.833 emails sent with Postmark ended up in the recipient's main mailbox. 23.59 % of all emails were moved from the email providers to the spam folder after successful delivery. 3.31 % of all emails sent did not reach the recipients.

ProviderInbox (%)Spam (%)Lost (%)
Clever Elements 80.31 %
(8.618) 		18.64 %
(2.000) 		1.05 %
(113)
Brevo 80.19 %
(8.703) 		18.44 %
(2.001) 		1.37 %
(149)
ActiveCampaign 79.96 %
(8.701) 		18.66 %
(2.031) 		1.39 %
(151)
Mailjet 79.84 %
(8.655) 		18.82 %
(2.040) 		1.35 %
(146)
Constant Contact 79.43 %
(8.593) 		18.02 %
(1.950) 		2.57 %
(278)
Benchmark Email 79.31 %
(8.556) 		19.24 %
(2.076) 		1.46 %
(157)
SendPulse 79.12 %
(8.794) 		19.70 %
(2.190) 		1.18 %
(131)
Kit 79.06 %
(8.729) 		19.78 %
(2.184) 		1.16 %
(128)
Sarbacane 78.96 %
(8.739) 		19.90 %
(2.202) 		1.14 %
(126)
AWeber 78.72 %
(8.883) 		19.42 %
(2.191) 		1.86 %
(210)
MailChimp 78.70 %
(8.479) 		19.78 %
(2.131) 		1.53 %
(165)
Moosend 78.36 %
(8.653) 		19.19 %
(2.119) 		2.45 %
(271)
CleverReach 77.93 %
(8.326) 		20.12 %
(2.150) 		1.95 %
(208)
Rapidmail 77.82 %
(8.366) 		20.32 %
(2.185) 		1.86 %
(200)
GetResponse 77.74 %
(8.586) 		20.22 %
(2.233) 		2.04 %
(225)
Amazon SES 77.50 %
(8.499) 		21.21 %
(2.326) 		1.29 %
(141)
MailerLite 77.45 %
(8.536) 		20.99 %
(2.313) 		1.57 %
(173)
Klick-Tipp 75.24 %
(8.178) 		21.84 %
(2.374) 		2.92 %
(317)
HubSpot 74.40 %
(8.061) 		23.05 %
(2.498) 		2.56 %
(277)
CampaignMonitor 74.18 %
(8.115) 		23.88 %
(2.612) 		1.94 %
(212)
mailtrap 73.44 %
(7.869) 		23.50 %
(2.518) 		3.06 %
(328)
Postmark 73.09 %
(7.918) 		23.59 %
(2.556) 		3.31 %
(359)
Mailgun 72.63 %
(7.758) 		24.07 %
(2.571) 		3.30 %
(353)
SendGrid 72.36 %
(7.994) 		24.13 %
(2.666) 		3.51 %
(388)
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Postmark email deliverability rates providers comparison 2025 (October)
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Email deliverability by category

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

CategoryEmails sentEmails inboxEmails spamEmails lostInbox (%)Spam (%)Lost (%)
Finance 8346331732875.90 %20.74 %3.36 %
Health 8366321733175.60 %20.69 %3.71 %
Pets 8476301912674.38 %22.55 %3.07 %
Cosmetics & Beauty 8386191932673.87 %23.03 %3.10 %
Clothing 8186021833373.59 %22.37 %4.03 %
Sport & Fitness 8846492082773.42 %23.53 %3.05 %
Other 8015881862773.41 %23.22 %3.37 %
Home & Garden 8286051942973.07 %23.43 %3.50 %
Elektronics 7955751942672.33 %24.40 %3.27 %
Food & Drink 8055772002871.68 %24.84 %3.48 %
Entertainment 8886362282471.62 %25.68 %2.70 %
Dating 8696192252571.23 %25.89 %2.88 %
Job & Career 7905532082970.00 %26.33 %3.67 %
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Postmark email deliverability by category 2025 (October)
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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, Mail.com and Zoho Mail. The delivery rates were worst for the email providers Gmail, iCloud Mail and GMX Mail.

ProviderEmails sentEmails inboxEmails spamEmails lostInbox (%)Spam (%)Lost (%)
Custom Mail 7976291422678.92 %17.82 %3.26 %
Mail.com 7966001702675.38 %21.36 %3.27 %
Zoho Mail 7765841672575.26 %21.52 %3.22 %
Tuta 8176131792575.03 %21.91 %3.06 %
ProtonMail 7535591742074.24 %23.11 %2.66 %
Mailfence 7395451692573.75 %22.87 %3.38 %
Juno.com 7955821842973.21 %23.14 %3.65 %
Yahoo Mail 8216001893273.08 %23.02 %3.90 %
AOL Mail 7825681843072.63 %23.53 %3.84 %
Outlook Mail 7065061782271.67 %25.21 %3.12 %
Yandex Mail 7865632012271.63 %25.57 %2.80 %
GMX Mail 7235121882370.82 %26.00 %3.18 %
iCloud Mail 6974841892469.44 %27.12 %3.44 %
Gmail 8455732423067.81 %28.64 %3.55 %
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Postmark email deliverability by email service provider 2025 (October)
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All email deliverability reports for Postmark

All available email deliverability reports for Postmark.

Postmark badges for website

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References and Resources

Further resources and references for Postmark.

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