Postmark Email Deliverability Report for the year 2025 (June)

In this email deliverability report for Postmark (June 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 10.312 emails were sent with Postmark. A total of 7.115 emails were delivered to the recipient's main mailbox. Of all emails sent, 1.412 emails ended up in the spam folder. 486 emails were lost on the way to the recipients.
Provider | Emails sent | Emails inbox | Emails spam | Emails lost |
---|---|---|---|---|
Kit | 10.250 | 8.128 (79.30 %) | 2.077 (20.26 %) | 196 (1.91 %) |
Clever Elements | 9.689 | 7.603 (78.47 %) | 1.207 (12.46 %) | 393 (4.06 %) |
GetResponse | 9.863 | 7.702 (78.09 %) | 1.540 (15.61 %) | 489 (4.96 %) |
Klick-Tipp | 10.444 | 8.084 (77.40 %) | 1.874 (17.94 %) | 139 (1.33 %) |
Benchmark Email | 10.040 | 7.691 (76.60 %) | 1.029 (10.25 %) | 190 (1.89 %) |
AWeber | 10.169 | 7.696 (75.68 %) | 1.569 (15.43 %) | 195 (1.92 %) |
MailChimp | 10.082 | 7.623 (75.61 %) | 1.672 (16.58 %) | 410 (4.07 %) |
Amazon SES | 10.173 | 7.520 (73.92 %) | 1.351 (13.28 %) | 508 (4.99 %) |
mailtrap | 10.410 | 7.618 (73.18 %) | 1.759 (16.90 %) | 311 (2.99 %) |
Mailjet | 9.782 | 7.155 (73.14 %) | 1.533 (15.67 %) | 116 (1.19 %) |
Constant Contact | 9.857 | 7.141 (72.45 %) | 2.100 (21.30 %) | 296 (3.00 %) |
Mailgun | 10.181 | 7.272 (71.43 %) | 787 (7.73 %) | 416 (4.09 %) |
CleverReach | 9.907 | 7.042 (71.08 %) | 1.437 (14.50 %) | 126 (1.27 %) |
HubSpot | 9.655 | 6.830 (70.74 %) | 1.301 (13.47 %) | 441 (4.57 %) |
CampaignMonitor | 9.877 | 6.960 (70.47 %) | 1.537 (15.56 %) | 531 (5.38 %) |
Rapidmail | 10.069 | 7.027 (69.79 %) | 1.237 (12.29 %) | 545 (5.41 %) |
Brevo | 9.945 | 6.936 (69.74 %) | 2.471 (24.85 %) | 407 (4.09 %) |
SendPulse | 9.958 | 6.943 (69.72 %) | 2.397 (24.07 %) | 473 (4.75 %) |
Postmark | 10.312 | 7.115 (69.00 %) | 1.412 (13.69 %) | 486 (4.71 %) |
SendGrid | 10.114 | 6.955 (68.77 %) | 1.369 (13.54 %) | 189 (1.87 %) |
MailerLite | 10.364 | 7.058 (68.10 %) | 1.395 (13.46 %) | 323 (3.12 %) |
Moosend | 10.286 | 6.987 (67.93 %) | 2.167 (21.07 %) | 122 (1.19 %) |
ActiveCampaign | 10.419 | 6.763 (64.91 %) | 1.037 (9.95 %) | 317 (3.04 %) |
Sarbacane | 10.057 | 6.513 (64.76 %) | 2.189 (21.77 %) | 465 (4.62 %) |
Email deliverability rates for Postmark and other providers comparison
69.00 % of 10.312 emails sent with Postmark ended up in the recipient's main mailbox. 13.69 % of all emails were moved from the email providers to the spam folder after successful delivery. 4.71 % of all emails sent did not reach the recipients.
Provider | Inbox (%) | Spam (%) | Lost (%) |
---|---|---|---|
Kit | 79.30 % (8.128) | 20.26 % (2.077) | 1.91 % (196) |
Clever Elements | 78.47 % (7.603) | 12.46 % (1.207) | 4.06 % (393) |
GetResponse | 78.09 % (7.702) | 15.61 % (1.540) | 4.96 % (489) |
Klick-Tipp | 77.40 % (8.084) | 17.94 % (1.874) | 1.33 % (139) |
Benchmark Email | 76.60 % (7.691) | 10.25 % (1.029) | 1.89 % (190) |
AWeber | 75.68 % (7.696) | 15.43 % (1.569) | 1.92 % (195) |
MailChimp | 75.61 % (7.623) | 16.58 % (1.672) | 4.07 % (410) |
Amazon SES | 73.92 % (7.520) | 13.28 % (1.351) | 4.99 % (508) |
mailtrap | 73.18 % (7.618) | 16.90 % (1.759) | 2.99 % (311) |
Mailjet | 73.14 % (7.155) | 15.67 % (1.533) | 1.19 % (116) |
Constant Contact | 72.45 % (7.141) | 21.30 % (2.100) | 3.00 % (296) |
Mailgun | 71.43 % (7.272) | 7.73 % (787) | 4.09 % (416) |
CleverReach | 71.08 % (7.042) | 14.50 % (1.437) | 1.27 % (126) |
HubSpot | 70.74 % (6.830) | 13.47 % (1.301) | 4.57 % (441) |
CampaignMonitor | 70.47 % (6.960) | 15.56 % (1.537) | 5.38 % (531) |
Rapidmail | 69.79 % (7.027) | 12.29 % (1.237) | 5.41 % (545) |
Brevo | 69.74 % (6.936) | 24.85 % (2.471) | 4.09 % (407) |
SendPulse | 69.72 % (6.943) | 24.07 % (2.397) | 4.75 % (473) |
Postmark | 69.00 % (7.115) | 13.69 % (1.412) | 4.71 % (486) |
SendGrid | 68.77 % (6.955) | 13.54 % (1.369) | 1.87 % (189) |
MailerLite | 68.10 % (7.058) | 13.46 % (1.395) | 3.12 % (323) |
Moosend | 67.93 % (6.987) | 21.07 % (2.167) | 1.19 % (122) |
ActiveCampaign | 64.91 % (6.763) | 9.95 % (1.037) | 3.04 % (317) |
Sarbacane | 64.76 % (6.513) | 21.77 % (2.189) | 4.62 % (465) |
Email deliverability by category
The delivery of the emails with Postmark in the categories Other, Pets, Elektronics, Clothing and Finance resulted in the best delivery rates. In contrast, the worst delivery rates were achieved for categories Entertainment, Cosmetics & Beauty, Job & Career, Dating and Food & Drink.
Category | Emails sent | Emails inbox | Emails spam | Emails lost | Inbox (%) | Spam (%) | Lost (%) |
---|---|---|---|---|---|---|---|
Other | 799 | 554 | 110 | 37 | 69.34 % | 13.77 % | 4.63 % |
Pets | 762 | 527 | 103 | 34 | 69.16 % | 13.52 % | 4.46 % |
Elektronics | 797 | 551 | 109 | 40 | 69.13 % | 13.68 % | 5.02 % |
Clothing | 780 | 539 | 107 | 38 | 69.10 % | 13.72 % | 4.87 % |
Finance | 754 | 521 | 102 | 34 | 69.10 % | 13.53 % | 4.51 % |
Health | 841 | 581 | 112 | 39 | 69.08 % | 13.32 % | 4.64 % |
Sport & Fitness | 798 | 551 | 108 | 43 | 69.05 % | 13.53 % | 5.39 % |
Home & Garden | 736 | 508 | 103 | 33 | 69.02 % | 13.99 % | 4.48 % |
Food & Drink | 845 | 583 | 115 | 42 | 68.99 % | 13.61 % | 4.97 % |
Dating | 833 | 574 | 114 | 42 | 68.91 % | 13.69 % | 5.04 % |
Job & Career | 785 | 540 | 107 | 35 | 68.79 % | 13.63 % | 4.46 % |
Cosmetics & Beauty | 754 | 518 | 104 | 32 | 68.70 % | 13.79 % | 4.24 % |
Entertainment | 828 | 568 | 118 | 37 | 68.60 % | 14.25 % | 4.47 % |
Email deliverability by email service provider
According to the test results, the three best email providers for highest delivery rates with Postmark are Tuta, Mail.com and Custom Mail. The delivery rates were worst for the email providers Yandex Mail, Outlook Mail and Zoho Mail.
Provider | Emails sent | Emails inbox | Emails spam | Emails lost | Inbox (%) | Spam (%) | Lost (%) |
---|---|---|---|---|---|---|---|
Tuta | 772 | 536 | 105 | 39 | 69.43 % | 13.60 % | 5.05 % |
Mail.com | 781 | 541 | 108 | 34 | 69.27 % | 13.83 % | 4.35 % |
Custom Mail | 845 | 585 | 116 | 43 | 69.23 % | 13.73 % | 5.09 % |
GMX Mail | 777 | 537 | 106 | 36 | 69.11 % | 13.64 % | 4.63 % |
Gmail | 808 | 558 | 110 | 38 | 69.06 % | 13.61 % | 4.70 % |
AOL Mail | 793 | 547 | 112 | 39 | 68.98 % | 14.12 % | 4.92 % |
Juno.com | 812 | 560 | 109 | 39 | 68.97 % | 13.42 % | 4.80 % |
iCloud Mail | 750 | 517 | 104 | 36 | 68.93 % | 13.87 % | 4.80 % |
ProtonMail | 798 | 550 | 107 | 35 | 68.92 % | 13.41 % | 4.39 % |
Yahoo Mail | 816 | 562 | 109 | 40 | 68.87 % | 13.36 % | 4.90 % |
Zoho Mail | 806 | 555 | 110 | 38 | 68.86 % | 13.65 % | 4.71 % |
Outlook Mail | 862 | 592 | 121 | 39 | 68.68 % | 14.04 % | 4.52 % |
Yandex Mail | 692 | 475 | 95 | 30 | 68.64 % | 13.73 % | 4.34 % |
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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