# Can’t send emails due to failed internal dns resolution

**URL:** <https://meta.discourse.org/t/can-t-send-emails-due-to-failed-internal-dns-resolution/43592>\
**Category:** Product Support\
**Created:** [May 3, 2016, 8:45am UTC](https://meta.discourse.org/t/can-t-send-emails-due-to-failed-internal-dns-resolution/43592 "2016-05-03T08:45:48Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![fantasticfears](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/fantasticfears/32/119608_2.png) [@fantasticfears](https://meta.discourse.org/u/fantasticfears)\
**Post date:** [May 4, 2016, 3:17pm UTC](https://meta.discourse.org/t/can-t-send-emails-due-to-failed-internal-dns-resolution/43592/9 "2016-05-04T15:17:05Z")

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It looks like two different problems.

Google’s DNS may just help you to access the wild on Internet. It’s for access the web.

For email sending, I am not sure how it works.[quote=“gvalchca, post:3, topic:43592”]  
its a local server for internal use only:  
[/quote]  
You have set a DNS record for your SMTP server. How you prevent it from unauthorized access since you are exposing your username and claim it doesn’t need a password?

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