Open replay for SMTP on port 25 to outside the company

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gregorywest
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Joined: 26 Mar 2017 15:46

Open replay for SMTP on port 25 to outside the company

Post by gregorywest »

What I am trying to configure up is allowing a few of my servers non-authenticated access to the EFA server on my internal network, 10.10.10.0/24, to be able to send eMail outside and inside my company.

Unfortunately two of the servers that have to send mail, have a massive issue with getting authentication working.

Is there any way I can give individual servers or a group of them the ability to use EFA as an open replay. The IP addresses of the servers in question is static, so a 'OK to relay' would be fairly easy.

Greg
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darky83
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Re: Open replay for SMTP on port 25 to outside the company

Post by darky83 »

See option 8 'mail settings' and then option 2 ' outbound smarthost'.
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gregorywest
Posts: 4
Joined: 26 Mar 2017 15:46

Re: Open replay for SMTP on port 25 to outside the company

Post by gregorywest »

OK, I can see the option, not sure what I put in as the smarthost? Or should I use the smtp of my ISP?
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shawniverson
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Re: Open replay for SMTP on port 25 to outside the company

Post by shawniverson »

Option 8 --> 1 outbound mail relay may be what you are looking for.

Add your hosts here.

You may also want to whitelist your hosts in mailwatch, if you trust that they won't be sending any spam.
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