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Update mailcow guide #76

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Configure firewall
lukebsa Jan 27, 2024
2dd77bd
Note to OCI Users re: blocked port 25
lukebsa Jan 27, 2024
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11 changes: 10 additions & 1 deletion v2/docs/guides/applications/mailcow.md
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Expand Up @@ -17,6 +17,15 @@ The mail server [Mailcow](https://mailcow.email/) is a dockerized application th
- **>= 20 GB Disk**
:::

:::note Oracle Cloud Users
**For users of OCI:** Tenancies made after June 23, 2021 are by default not allowed to send e-mail via outbound TCP port 25 to the internet.
[OCI Docs – Outbound SMTP is blocked](https://docs.oracle.com/en-us/iaas/releasenotes/changes/f7e95770-9844-43db-916c-6ccbaf2cfe24/)
:::

## Configure Firewall
Mailcow uses several ports including default ports for **IMAP**, **POP**, **SMTP**, etc.
Add the [Default mailcow Ports](https://docs.mailcow.email/getstarted/prerequisite-system/#default-ports) to your [CloudPanel firewall](/docs/v2/admin-area/security/#firewall) and your host's firewall (if applicable).

## Disable Postfix

Login via **SSH** as **root** and stop and disable the **postfix** service:
Expand Down Expand Up @@ -121,4 +130,4 @@ To access **Mailcow** via our domain **https://mail.domain.com**, we create a [R

<img alt="Mailcow Login" src={useBaseUrl('img/guides/applications/mailcow/mailcow-login.png')} />

4. For security reasons, we recommend putting a [Basic Authentication](../../../frontend-area/security/#basic-authentication) in front of your **Mailcow** installation.
4. For security reasons, we recommend putting a [Basic Authentication](../../../frontend-area/security/#basic-authentication) in front of your **Mailcow** installation.