# Rejecting incoming messages - zen.spamhaus.org

**URL:** <https://forum.hestiacp.com/t/rejecting-incoming-messages-zen-spamhaus-org/4744>\
**Category:** Uncategorized\
**Created:** [October 19, 2021, 10:04am UTC](https://forum.hestiacp.com/t/rejecting-incoming-messages-zen-spamhaus-org/4744 "2021-10-19T10:04:21Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![kpv](https://forum.hestiacp.com/letter_avatar_proxy/v4/letter/k/45deac/32.png) [@kpv](https://forum.hestiacp.com/u/kpv)\
**Post date:** [October 27, 2021, 11:11pm UTC](https://forum.hestiacp.com/t/rejecting-incoming-messages-zen-spamhaus-org/4744/4 "2021-10-27T23:11:32Z")

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Same issue discussed here:

> **[Be careful: Using Spamhaus with open resolvers is bad news](https://www.spamresource.com/2021/10/be-careful-using-spamhaus-with-open.html)**
>
> Do you use any of the Spamhaus blocking lists (DNSBLs) to protect yourself from inbound spam and email threats? If so, you're not alone. The...

but it would be very bad idea if they reported Gmail & Microsoft as bad IPs, when they’re queried via a public DNS!

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