# Internal Communications

By Marisa

Information on how to set up communications, templates, and more

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## Communication Channels
This article goes through the different communication channel options in Communication Settings. Emails. Text. SMS. Teams. Slack.

- [Using a Custom Domain](https://help.nectarhr.com/en/articles/9623711-using-a-custom-domain) - Send Internal Communication emails from your company’s domain. DNS Settings.
- [How to Update Exchange Rules When Nectar Emails Are Flagged as External](https://help.nectarhr.com/en/articles/12634967-how-to-update-exchange-rules-when-nectar-emails-are-flagged-as-external) - If you are having trouble with communication emails being flagged as external, follow these steps.
- [Message Sanitization in Mimecast](https://help.nectarhr.com/en/articles/10011489-message-sanitization-in-mimecast) - Mimecast may 'sanitize' erroneous characters that are crucial to the appearance of HTML-based email.
- [Anti-Spoofing in Mimecast](https://help.nectarhr.com/en/articles/10011478-anti-spoofing-in-mimecast) - This article will guide you or your technical team through bypassing this Mimecast policy.
- [URL Protection in Mimecast](https://help.nectarhr.com/en/articles/10008760-url-protection-in-mimecast) - This article will guide you or your technical team through bypassing this Mimecast policy.
- [CyberGraph in Mimecast](https://help.nectarhr.com/en/articles/10008752-cybergraph-in-mimecast) - This document will help walk you through how to create a bypass policy for the CyberGraph service within Mimecast.
- [How to configure non-throttled hosts in ProofPoint](https://help.nectarhr.com/en/articles/10008750-how-to-configure-non-throttled-hosts-in-proofpoint) - This document will help provide guidance on configuring non-throttled hosts within ProofPoint.
- [Impersonation Protection Bypass Policy - Mimecast](https://help.nectarhr.com/en/articles/10008741-impersonation-protection-bypass-policy-mimecast) - This article will guide you or your technical team through bypassing this Mimecast policy.
- [Safelisting Nectar's IPs in ProofPoint](https://help.nectarhr.com/en/articles/10011511-safelisting-nectar-s-ips-in-proofpoint) - To ensure that all emails created and sent through Nectar pass through ProofPoint, we need you to safelist our IP addresses.
- [Permitted Senders in Mimecast](https://help.nectarhr.com/en/articles/10011530-permitted-senders-in-mimecast) - This article will guide you or your technical team through bypassing this Mimecast policy.
- [Safelisting Nectar's IPs in Barracuda](https://help.nectarhr.com/en/articles/10011539-safelisting-nectar-s-ips-in-barracuda) - To ensure that all emails created and sent through Nectar pass through Barracuda, we need you to whitelist our IP addresses.