# emails not delivered

**URL:** <https://community.hubspot.com/t/emails-not-delivered/25431>\
**Category:** Email Deliverability\
**Tags:** email-deliverability\
**Created:** [September 14, 2020, 2:53pm UTC](https://community.hubspot.com/t/emails-not-delivered/25431 "2020-09-14T14:53:39Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Ernesto1](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/ernesto1/32/79644_2.png) [@Ernesto1](https://community.hubspot.com/u/Ernesto1)\
**Post date:** [September 14, 2020, 2:53pm UTC](https://community.hubspot.com/t/emails-not-delivered/25431/1 "2020-09-14T14:53:39Z")

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We had an issue on Sept 8th where quite a number of emails addresses (work ones included that get our emails all the time) were not receiving our marketing emails. This issue continued through the 11th. IT says that there were no server issues on their end, that it was probably a HubSpot issue. I’ve exhausted my serach. Help?

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**Author:** ![karstenkoehler](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/karstenkoehler/32/68554_2.png) [@karstenkoehler](https://community.hubspot.com/u/karstenkoehler)\
**Post date:** [September 15, 2020, 7:48am UTC](https://community.hubspot.com/t/emails-not-delivered/25431/2 "2020-09-15T07:48:59Z")

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Hi @Ernesto1,

Unfortunately there’s no easy, straight forward answer to this question. This is a topic that a lot of companies are struggling with. Like search engine ranking criteria, there are dozens of reasons why your marketing emails are being treated this way. Getting to the bottom of it requires some detective work: research, testing, educated guesses, optimization.

To start, @natsumimori has compiled a lot of resources on the topic [here](https://community.hubspot.com/t5/Email-Deliverability/Evergreen-contents-list-around-Marketing-Email-amp/m-p/363631#M791). I’d add these two:

- [https://academy.hubspot.com/lessons/understanding-email-deliverability](https://academy.hubspot.com/lessons/understanding-email-deliverability)
- [https://blog.hubspot.com/blog/tabid/6307/bid/30594/a-marketer-s-guide-to-getting-past-email-spam-fil…](https://blog.hubspot.com/blog/tabid/6307/bid/30594/a-marketer-s-guide-to-getting-past-email-spam-filters.aspx)

Moving on to your specific situation, there are some events that could’ve caused what you’re experiencing:

- The companies that you’re sending to have changed their email policy. Not all teams are always aware of this. IT might have introduced stricter filters which now cause your emails to bounce.
- Another user in your HubSpot portal has previously sent emails that have negatively affected your sender reputation (see the links above). It is below a certain threshold that email service providers have set as a quality gate.
- It is a setup issue that IT is not aware of. I’d recommend running some tests, e.g. with [mxtoolbox.com/](http://mxtoolbox.com/), making sure that there are no issues with DNS, DMARC, DKIM etc.

Hope this helps.