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Configure Smarthost for Outgoing Mails (only for one domain)

Hi all,

I have multiple Domains mananged in my LAN. Sophos XGS3300 protects that mails.

Now I want only one internal domain to use a smarthost for outgoing mail. All other domains should proceed directly via MX.

How to manage that? Mail Policies are based on recipient mail addresses. Not based on sender mails.

Outgoing Smarthost can only be setup or not without any exception.

Any hints?

Regards Gernot

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Top Replies

Vivek Jagad 8 months ago in reply to GernotMeyer +1 suggested

I am afraid that would'nt be possible.

0 Vivek Jagad 8 months ago

Hi GernotMeyer ,

Thank you for reaching out to the community, under the Email > General settings > Smart host > by setting up it will route outbound emails through the specified server and acts as an intermediate server between the sender's and recipient's mail servers, the default port number is 25 and don't specify the interface IP address of Sophos Firewall for the smarthost. It will cause a routing loop. It only supports PLAIN and LOGIN authentication protocols. So, if you want Sophos Firewall to authenticate the smarthost before routing emails. Enter the sign-in credentials.

Thanks & Regards,
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Vivek Jagad | Team Lead, Technical Support, Global Customer Experience

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0 GernotMeyer 8 months ago in reply to Vivek Jagad

Hi, thanks for fast answer. The setting you describe will send ALL outgoing traffic to a smarthost.

I need to separate (as written) that only one sender domain should be forwarded to that smarthost.

Best

Gernot
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0 Vivek Jagad 8 months ago in reply to GernotMeyer

So, you mean domain wise smart host configuration right ?

Thanks & Regards,
_______________________________________________________________

Vivek Jagad | Team Lead, Technical Support, Global Customer Experience

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0 GernotMeyer 8 months ago in reply to Vivek Jagad

Yes!
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0 Vivek Jagad 8 months ago in reply to GernotMeyer

I am afraid that would'nt be possible.

Thanks & Regards,
_______________________________________________________________

Vivek Jagad | Team Lead, Technical Support, Global Customer Experience

Log a Support Case | Sophos Service Guide
Best Practices – Support Case | Security Advisories
Compare Sophos next-gen Firewall | Fortune Favors the prepared
Sophos Community | Product Documentation | Sophos Techvids | SMS
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