Mailgun and SendGrid Email Deliverability Comparison

In this comparison, the deliverability of Mailgun 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 Mailgun than for SendGrid.

Emails Sent	Emails Inbox	Emails Spam	Emails Lost
61.832 62.600	51.727 49.846	7.939 10.115	2.166 2.639

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. Mailgun beats SendGrid in this comparison.

Inbox (%)	Spam (%)	Lost (%)
83.66 % 79.63 %	12.84 % 16.16 %	3.50 % 4.22 %

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, Mailgun is the clear winner.

Category	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Clothing	4767 4926	4106 4050	518 706	143 170	86.13 % 82.22 %	10.87 % 14.33 %	3.00 % 3.45 %
Elektronics	4874 4870	4152 3891	580 755	142 224	85.19 % 79.90 %	11.90 % 15.50 %	2.91 % 4.60 %
Entertainment	4794 4832	3993 3841	632 788	169 203	83.29 % 79.49 %	13.18 % 16.31 %	3.53 % 4.20 %
Cosmetics & Beauty	4784 4831	3991 3848	613 785	180 198	83.42 % 79.65 %	12.81 % 16.25 %	3.76 % 4.10 %
Food & Drink	4759 4850	4089 3981	519 691	151 178	85.92 % 82.08 %	10.91 % 14.25 %	3.17 % 3.67 %
Home & Garden	4617 4866	3955 3970	508 693	154 203	85.66 % 81.59 %	11.00 % 14.24 %	3.34 % 4.17 %
Finance	4732 4748	3841 3655	700 869	191 224	81.17 % 76.98 %	14.79 % 18.30 %	4.04 % 4.72 %
Health	4670 4733	3855 3723	651 810	164 200	82.55 % 78.66 %	13.94 % 17.11 %	3.51 % 4.23 %
Pets	4823 4681	4101 3788	571 703	151 190	85.03 % 80.92 %	11.84 % 15.02 %	3.13 % 4.06 %
Sport & Fitness	4744 4964	3918 3898	665 854	161 212	82.59 % 78.53 %	14.02 % 17.20 %	3.39 % 4.27 %
Job & Career	4768 4779	3842 3691	710 877	216 211	80.58 % 77.23 %	14.89 % 18.35 %	4.53 % 4.42 %
Dating	4695 4790	3808 3681	701 863	186 246	81.11 % 76.85 %	14.93 % 18.02 %	3.96 % 5.14 %
Other	4805 4730	4076 3829	571 721	158 180	84.83 % 80.95 %	11.88 % 15.24 %	3.29 % 3.81 %

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, Mailgun is better than SendGrid.

Provider	Emails Sent	Emails Inbox	Emails Spam	Emails Lost	Inbox (%)	Spam (%)	Lost (%)
Gmail	4684 4720	3649 3489	821 979	214 252	77.90 % 73.92 %	17.53 % 20.74 %	4.57 % 5.34 %
Outlook Mail	4710 4764	3851 3697	670 842	189 225	81.76 % 77.60 %	14.23 % 17.67 %	4.01 % 4.72 %
Yahoo Mail	4666 4881	3887 3866	618 807	161 208	83.30 % 79.21 %	13.24 % 16.53 %	3.45 % 4.26 %
AOL Mail	4831 5010	4015 3936	642 834	174 240	83.11 % 78.56 %	13.29 % 16.65 %	3.60 % 4.79 %
Mail.com	4833 4802	4080 3848	597 748	156 206	84.42 % 80.13 %	12.35 % 15.58 %	3.23 % 4.29 %
Yandex Mail	4769 4750	3895 3699	684 836	190 215	81.67 % 77.87 %	14.34 % 17.60 %	3.98 % 4.53 %
GMX Mail	4732 4695	4054 3848	535 679	143 168	85.67 % 81.96 %	11.31 % 14.46 %	3.02 % 3.58 %
Zoho Mail	4861 4771	4152 3879	562 699	147 193	85.41 % 81.30 %	11.56 % 14.65 %	3.02 % 4.05 %
ProtonMail	4769 4917	4106 4076	507 679	156 162	86.10 % 82.90 %	10.63 % 13.81 %	3.27 % 3.29 %
Custom Mail	4632 4805	4010 3942	483 676	139 187	86.57 % 82.04 %	10.43 % 14.07 %	3.00 % 3.89 %
iCloud Mail	4709 4874	3736 3717	768 956	205 201	79.34 % 76.26 %	16.31 % 19.61 %	4.35 % 4.12 %
Tuta	4827 4790	4128 3887	547 700	152 203	85.52 % 81.15 %	11.33 % 14.61 %	3.15 % 4.24 %
Juno.com	4809 4821	4164 3962	505 680	140 179	86.59 % 82.18 %	10.50 % 14.10 %	2.91 % 3.71 %

Compare Mailgun with other providers

Compare the email deliverability of Mailgun with other providers.