However you will be required to change Exchange listening port to other than 25 so ASSP can catch mail there and relay to another port. Can someone walk me through this or does anyone know of a good tutorial.ġ - I usually prefer a separate box to install ASSP, however I have ran it on the same server without problems. I have looked far and wide on the internet for a detailed tutorial on ASSP and I haven't found one (well at least one that specifies what to use, and if it is a really good tutorial, why they used it). If I install ASSP on a separate box what linux will work in the windows domain? What linux is the best for this type of application? I have experience with Ubuntu linux on personal computers but have never used it with other windows computers in a network or as a server in the same network as another windows server. Why is it better to install ASSP on a separate box than on the exchange server? The exchange server has two ethernet ports. Under Allow relay from hosts/networks, select the mail servers.I have been researching anti-spam solutions for a few days now and I am leaning toward using the free ASSP for a company of about 10-15 users.īefore I ask a few questions about ASSP would anyone recommend (G-Data with central management console as a virus protector for the server and all workstations coupled with the external spam filter 's mx-defender) over (ASSP with ClamAV)? Or another solution? Besides ironport or barracuda, those are a little expensive for this company. Go to Email, hover over the more button, and click Relay settings. Sophos Firewall then relays outbound mail from your mail servers to the internet. Turn on the SMTP relay for the DMZ zone and specify the relay settings for the mail servers. Under SMTP relay, select WAN to allow mail relay for inbound emails. Here's an example of how to select the protected domains and mail servers: You can configure IP hosts for mail servers on Hosts and services > IP host. Under Host list, select the mail servers you've configured. Under Protected domain, select the address group you configured.Go to Email > Policies and exceptions and click Add a policy.You also specify the basic security settings. This example uses mail servers with static IP addresses in the DMZ. You create an SMTP route and scan policy to forward emails to the internal mail servers. You configure Sophos Firewall to allow inbound emails to the email domain allow Sophos Firewall to relay SMTP traffic. Check if Group type is set to Email address/domain.įor Email address/domain, enter your email domain and click the add button.Go to Email > Address group and click Add.Under Advanced SMTP settings, select Scan outgoing mails.Ĭreate an address group for your organization's email domain. Go to SMTP TLS configuration, for TLS certificate, and select your mail server certificate. We recommend you use a certificate signed by a public CA to ensure remote mail servers accept the certificate. Go to Email > General settings and click Switch to MTA mode. Enforce TLS and other security settings for incoming and outgoing emails.The mail servers' MX record must point to the WAN interface of Sophos Firewall. We recommend that you keep this rule at the top of the firewall rule table. When you turn on MTA mode, a firewall rule is created automatically to allow SMTP/SMTPS traffic. In MTA mode, Sophos Firewall routes emails between your mail servers and the internet. Protect email servers in MTA mode: Network diagram You can configure the settings to route and protect emails in MTA mode. Configure email protection in MTA mode Feb 9, 2023 Your browser doesn’t support copying the link to the clipboard. It will remain unchanged in future help versions. Protect internal mail server in legacy modeĪlways use the following when referencing this page.Configure the quarantine digest (MTA mode).
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