# \#mailgun

**URL:** https://community.auth0.com/tag/mailgun/1790.md

[Latest](https://community.auth0.com/latest.md) · [Categories](https://community.auth0.com/categories.md) · [Tags](https://community.auth0.com/tags.md)

---

## [Auth0 failing to send emails via Mailgun API and SMTP: “Mailgun Request Failed”](https://community.auth0.com/t/auth0-failing-to-send-emails-via-mailgun-api-and-smtp-mailgun-request-failed/201001)

<div class="topic-metadata">

**Author:** [@hassan.ali](https://community.auth0.com/u/hassan.ali)\
**Replies:** 1\
**Last updated:** [June 19, 2026, 3:02pm UTC](https://community.auth0.com/t/auth0-failing-to-send-emails-via-mailgun-api-and-smtp-mailgun-request-failed/201001 "2026-06-19T15:02:05Z")

</div>

Hi Community, We are debugging an issue where Auth0 is no longer able to send emails through Mailgun. This setup was working previously, but it suddenly stopped working. We tested both Mailgun API key configuration and…

---

## [Is there a rate limit in Auto Send Email Verification?](https://community.auth0.com/t/is-there-a-rate-limit-in-auto-send-email-verification/192449)

<div class="topic-metadata">

**Author:** [@onshout\_dev](https://community.auth0.com/u/onshout_dev)\
**Replies:** 3\
**Last updated:** [September 26, 2025, 11:02am UTC](https://community.auth0.com/t/is-there-a-rate-limit-in-auto-send-email-verification/192449 "2025-09-26T11:02:56Z")

</div>

I’m using Auth0 (free tier) with Username–Password-Authentication enabled and have configured Amazon SES as the email provider. Whenever a new user signs up, Auth0 automatically sends out a verification email right after…

---

## [Our otp-mails are endning up in spam-folder due to DMARC-problem](https://community.auth0.com/t/our-otp-mails-are-endning-up-in-spam-folder-due-to-dmarc-problem/131135)

<div class="topic-metadata">

**Author:** [@kulturnat](https://community.auth0.com/u/kulturnat)\
**Replies:** 1\
**Last updated:** [April 6, 2024, 3:42pm UTC](https://community.auth0.com/t/our-otp-mails-are-endning-up-in-spam-folder-due-to-dmarc-problem/131135 "2024-04-06T15:42:57Z")

</div>

Hi! We’re primarily using the email connection for login on a free account. Some providers ( including gmail ) mark the otp-mails as spam, as the sender-adress is set to root@auth0.com instead of the email I’ve setup i…

---

## [Verification Emails not being sent](https://community.auth0.com/t/verification-emails-not-being-sent/113675)

<div class="topic-metadata">

**Author:** [@mike20](https://community.auth0.com/u/mike20)\
**Replies:** 2\
**Last updated:** [August 18, 2023, 8:38am UTC](https://community.auth0.com/t/verification-emails-not-being-sent/113675 "2023-08-18T08:38:13Z")

</div>

Hi there, Our verification emails are not being sent. We have Mailgun configured as our SMTP email provider. Hitting ‘Send Test Email’ works and I can see the email in Auth0 and Mailgun logs and receive the email in my…

---

## [Welcome email is being sent to users, but how?](https://community.auth0.com/t/welcome-email-is-being-sent-to-users-but-how/111980)

<div class="topic-metadata">

**Author:** [@bluejaywalkoff](https://community.auth0.com/u/bluejaywalkoff)\
**Replies:** 3\
**Last updated:** [July 26, 2023, 12:12am UTC](https://community.auth0.com/t/welcome-email-is-being-sent-to-users-but-how/111980 "2023-07-26T00:12:24Z")

</div>

Hello, I’m taking over for a previous employee who set up Auth0 and am having trouble with a few items regarding emails. We don’t look to have a welcome email template set to be sent on the email template page, but ye…