Postmark and SendGrid Email Deliverability Comparison
In this comparison, the deliverability of Postmark and SendGrid 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 SendGrid than for Postmark.
Emails Sent | Emails Inbox | Emails Spam | Emails Lost |
---|---|---|---|
8.760
8.948
|
7.088
7.254
|
1.300
1.355
|
372
339
|
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. SendGrid beats Postmark in this comparison.
Inbox (%) | Spam (%) | Lost (%) |
---|---|---|
80.91 %
81.07 %
|
14.84 %
15.14 %
|
4.25 %
3.79 %
|
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, SendGrid is the clear winner.
Category | Emails Sent | Emails Inbox | Emails Spam | Emails Lost | Inbox (%) | Spam (%) | Lost (%) |
---|---|---|---|---|---|---|---|
Clothing |
680
729
|
565
605
|
90
100
|
25
24
|
83.09 %
82.99 %
|
13.24 %
13.72 %
|
3.68 %
3.29 %
|
Elektronics |
698
713
|
582
583
|
94
102
|
22
28
|
83.38 %
81.77 %
|
13.47 %
14.31 %
|
3.15 %
3.93 %
|
Entertainment |
677
684
|
548
553
|
102
107
|
27
24
|
80.95 %
80.85 %
|
15.07 %
15.64 %
|
3.99 %
3.51 %
|
Cosmetics & Beauty |
634
667
|
506
542
|
99
106
|
29
19
|
79.81 %
81.26 %
|
15.62 %
15.89 %
|
4.57 %
2.85 %
|
Food & Drink |
656
714
|
553
590
|
85
95
|
18
29
|
84.30 %
82.63 %
|
12.96 %
13.31 %
|
2.74 %
4.06 %
|
Home & Garden |
697
682
|
580
568
|
88
91
|
29
23
|
83.21 %
83.28 %
|
12.63 %
13.34 %
|
4.16 %
3.37 %
|
Finance |
724
697
|
555
542
|
123
118
|
46
37
|
76.66 %
77.76 %
|
16.99 %
16.93 %
|
6.35 %
5.31 %
|
Health |
657
665
|
523
525
|
104
106
|
30
34
|
79.60 %
78.95 %
|
15.83 %
15.94 %
|
4.57 %
5.11 %
|
Pets |
706
664
|
576
552
|
100
92
|
30
20
|
81.59 %
83.13 %
|
14.16 %
13.86 %
|
4.25 %
3.01 %
|
Sport & Fitness |
621
673
|
505
533
|
95
111
|
21
29
|
81.32 %
79.20 %
|
15.30 %
16.49 %
|
3.38 %
4.31 %
|
Job & Career |
702
661
|
547
528
|
120
112
|
35
21
|
77.92 %
79.88 %
|
17.09 %
16.94 %
|
4.99 %
3.18 %
|
Dating |
625
676
|
493
527
|
103
116
|
29
33
|
78.88 %
77.96 %
|
16.48 %
17.16 %
|
4.64 %
4.88 %
|
Other |
683
723
|
555
606
|
97
99
|
31
18
|
81.26 %
83.82 %
|
14.20 %
13.69 %
|
4.54 %
2.49 %
|
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, SendGrid is better than Postmark.
Provider | Emails Sent | Emails Inbox | Emails Spam | Emails Lost | Inbox (%) | Spam (%) | Lost (%) |
---|---|---|---|---|---|---|---|
Gmail |
691
693
|
516
519
|
135
139
|
40
35
|
74.67 %
74.89 %
|
19.54 %
20.06 %
|
5.79 %
5.05 %
|
Outlook Mail |
657
665
|
514
522
|
109
111
|
34
32
|
78.23 %
78.50 %
|
16.59 %
16.69 %
|
5.18 %
4.81 %
|
Yahoo Mail |
636
675
|
510
536
|
99
106
|
27
33
|
80.19 %
79.41 %
|
15.57 %
15.70 %
|
4.25 %
4.89 %
|
AOL Mail |
656
720
|
526
574
|
102
113
|
28
33
|
80.18 %
79.72 %
|
15.55 %
15.69 %
|
4.27 %
4.58 %
|
Mail.com |
679
654
|
557
543
|
96
90
|
26
21
|
82.03 %
83.03 %
|
14.14 %
13.76 %
|
3.83 %
3.21 %
|
Yandex Mail |
590
716
|
467
558
|
98
118
|
25
40
|
79.15 %
77.93 %
|
16.61 %
16.48 %
|
4.24 %
5.59 %
|
GMX Mail |
688
699
|
567
582
|
93
94
|
28
23
|
82.41 %
83.26 %
|
13.52 %
13.45 %
|
4.07 %
3.29 %
|
Zoho Mail |
691
710
|
573
587
|
93
97
|
25
26
|
82.92 %
82.68 %
|
13.46 %
13.66 %
|
3.62 %
3.66 %
|
ProtonMail |
678
666
|
580
560
|
81
88
|
17
18
|
85.55 %
84.08 %
|
11.95 %
13.21 %
|
2.51 %
2.70 %
|
Custom Mail |
692
637
|
573
547
|
88
81
|
31
9
|
82.80 %
85.87 %
|
12.72 %
12.72 %
|
4.48 %
1.41 %
|
iCloud Mail |
651
719
|
497
555
|
122
134
|
32
30
|
76.34 %
77.19 %
|
18.74 %
18.64 %
|
4.92 %
4.17 %
|
Tuta |
746
692
|
623
579
|
95
92
|
28
21
|
83.51 %
83.67 %
|
12.73 %
13.29 %
|
3.75 %
3.03 %
|
Juno.com |
705
702
|
585
592
|
89
92
|
31
18
|
82.98 %
84.33 %
|
12.62 %
13.11 %
|
4.40 %
2.56 %
|
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