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Configuring incomping email spam filter

Currently, I have about 10 domains. Since my ISP is blocking port 25, I have a service that receives my mail, and sends it to me on port 2525. I would like to configure Sophos to intercept incoming mail on port 2525, scan for spam/virus, and send it along to my internal mail server (hmailserver). Is this possible? Can I change the SMTP ports?

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0 BAlfson over 10 years ago

I bet your current NAT rule is not as I suggested, but more like 'DNAT : Internet -> {port 2525} -> External (Address) : change to {Mail Server internal IP} on {port 25}'. Again, #2 in Rulz explains why I guess this.

So, your mail server sends mail directly to your smarthost? Although you may not be running Exchange, Exchange with SMTP Proxy would probably help you understand how to send it via the SMTP Proxy.

Cheers - Bob

Sophos UTM Community Moderator
Sophos Certified Architect - UTM
Sophos Certified Engineer - XG
Gold Solution Partner since 2005

MediaSoft, Inc. USA
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0 BAlfson over 10 years ago

I bet your current NAT rule is not as I suggested, but more like 'DNAT : Internet -> {port 2525} -> External (Address) : change to {Mail Server internal IP} on {port 25}'. Again, #2 in Rulz explains why I guess this.

So, your mail server sends mail directly to your smarthost? Although you may not be running Exchange, Exchange with SMTP Proxy would probably help you understand how to send it via the SMTP Proxy.

Cheers - Bob

Sophos UTM Community Moderator
Sophos Certified Architect - UTM
Sophos Certified Engineer - XG
Gold Solution Partner since 2005

MediaSoft, Inc. USA
Cancel
Vote Up 0 Vote Down

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