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+---
+title: Forwarding Mailcow through MXRoute
+description: Maintaining reputation
+published: true
+date: 2026-02-15T01:42:12.478Z
+tags: 
+editor: markdown
+dateCreated: 2026-02-15T01:42:12.478Z
+---
+
+# MXroute as Forwarder for Mailcow
+
+## Overview
+Configuration guide for setting up MXroute as an email forwarder for Mailcow-hosted domains.
+
+---
+
+## Mailcow Configuration
+
+### 1. Create Domain
+1. Navigate to Mailcow admin panel → Domains
+2. Add new domain
+3. Select the previously created sender-dependent transport
+4. Record the generated DKIM key
+
+### 2. Add DKIM Key
+- Configure DKIM for both Mailcow and MXroute
+- Use different selectors for each (e.g., `default` for Mailcow, `mxroute` for MXroute)
+
+---
+
+## DNS Configuration
+
+### Required DNS Records
+
+#### A Record
+```
+mail.yourdomain.com → [Your Mailcow Server IP]
+```
+
+#### MX Record
+```
+yourdomain.com → hermes.netgrimoire.com (Priority: 10)
+```
+
+#### CNAME Records
+```
+imap.yourdomain.com → mail.yourdomain.com
+smtp.yourdomain.com → mail.yourdomain.com
+webmail.yourdomain.com → mail.yourdomain.com
+autodiscover.yourdomain.com → mail.yourdomain.com
+autoconfig.yourdomain.com → mail.yourdomain.com
+```
+
+#### TXT Records
+
+**SPF Record**
+```
+v=spf1 ip4:192.168.5.16 ip4:24.249.193.115 include:mxroute.com -all
+```
+
+**DMARC Record** (`_dmarc.yourdomain.com`)
+```
+v=DMARC1; p=reject; rua=mailto:admin@netgrimoire.com
+```
+
+**DKIM Record** (`default._domainkey.yourdomain.com`)
+```
+v=DKIM1; t=s; p=[YOUR_PUBLIC_KEY]
+```
+
+---
+
+## Example: gnarlypandaproductions.com
+
+| Record Type | Name | Value |
+|-------------|------|-------|
+| MX | @ | hermes.netgrimoire.com (Priority: 10) |
+| A | mail | [Mailcow Server IP] |
+| CNAME | webmail | mail.gnarlypandaproductions.com |
+| CNAME | imap | mail.gnarlypandaproductions.com |
+| CNAME | smtp | mail.gnarlypandaproductions.com |
+| CNAME | roundcube | roundcube.netgrimoire.com |
+| TXT | @ | v=spf1 ip4:192.168.4.11 ip4:24.249.193.114 include:mxroute.com -all |
+| TXT | _dmarc | v=DMARC1; p=reject; rua=mailto:admin@gnarlypandaproductions.com |
+| TXT | default._domainkey | v=DKIM1; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3D3vyPoBHB4eMSMq8HygVWHzYbketRX4yjk9wV4bdaar0/c89dK230FMOW6zVXEsY1sXKFk1kBxerHVw0wY8qnQyooHgINEQcEXrtB/x93Sl/cqBQXk+PHOIOymQwgni8WCUhCSnvunxXK8qX5f9J56qzd0/wpY2WSEHho+XrnQjc+c7HMvkcC3+nKJe59ZNgvQW/Y9B/L6zFDjAp+QOUYp9wwX4L+j1T4fQSygYxAJZ0aIoR8FsbOuXc38pht99HyUnYwH08HoK7xv3DL2BrVo3KVZ7xMe2S4YMxd1HkJz2evbV/ziNsJcKW/le3fFS7mza09yJXDLDcLOKLXbYUQIDAQAB |
+
+---
+
+## Port Configuration
+
+**IMAP (SSL/TLS)**
+- Port: 993
+
+**SMTP (SSL/TLS)**
+- Port: 465
+
+---
+
+## Relay Accounts
+
+Configuration for sender-dependent transports:
+
+| Domain | Username | Password |
+|--------|----------|----------|
+| pncharris.com | relay@pncharris.com | H@rv3yD)G123 |
+| pncharris.com | forwarder@pncharris.com | (see password history) |
+| pncharris.com | passer@pncharris.com | bBJtPhrGkHvvhxhukkae |
+| wasted-bandwidth.net | relay@wasted-bandwidth.net | dZ4yLYznVvgSJtqWZJFA |
+| netgrimoire.com | relay@netgrimoire.com | TVGCnJp9SxRbWU8EhkMw |
+| florosafd.org | relay@florosafd.org | 2Fe8XMyaeh6Z5dvdHYdq |
+| gnarlypandaproductions.com | relay@gnarlypandaproductions.com | vG5ZsUQhRWD2UyzLPsqA |
+
+### Password History (passer@pncharris.com)
+Latest passwords (most recent last):
+- !5!,_\*zDyLEhhR4
+- sh7dXWnTPqbkDGsTcwtn
+- MY3V8p69b2HYksygxhXX
+- RS6U2GU6rcYe3THKKgYx
+- yzqNysrd73yzWptVEZ5H (current)
+
+### Additional Credentials
+- kylr pncharris: -,68,incTeR
+- G4@rlyf1ng3r
+
+---
+
+## Troubleshooting
+
+### Common Issues
+
+1. **Email not sending through MXroute**
+   - Verify SPF record includes MXroute IPs
+   - Check sender-dependent transport is selected in Mailcow
+   - Confirm relay account credentials are correct
+
+2. **DKIM verification failing**
+   - Ensure both Mailcow and MXroute DKIM records are published
+   - Verify different selectors are used
+   - Check for DNS propagation (24-48 hours)
+
+3. **DMARC failures**
+   - Confirm SPF and DKIM are properly aligned
+   - Review DMARC reports sent to rua address
+
+---
+
+## References
+
+- [Mailcow Documentation](https://docs.mailcow.email/)
+- [MXroute Documentation](https://mxroutedocs.com/)
+- [SPF Record Syntax](https://www.rfc-editor.org/rfc/rfc7208)
+- [DKIM Documentation](https://www.rfc-editor.org/rfc/rfc6376)
+- [DMARC Documentation](https://www.rfc-editor.org/rfc/rfc7489)