eg: To relay all mail for all users to host 1.2.3.4: This can be overridden by placing “true” in the “relay” field. (warning, usually not needed or wise, this can make your server into an open relay for spammers to abuse!)Īs a safety measure to prevent accidental openrelays, SurgeMail will not relay for non authenticated users or trusted users (users that are allowed to relay due to relaying settings eg g_relay_allow_ip) if the domain is “*”. G_gateway domain=”*” to=”” pass=”xxx” relay=”true” This is where you want to send all outgoing email to another server, that may require authentication, note that we don’t use relay=”true” as that would make the server an open relay. If SurgeMail cannot connect it will assume the user does exist so nothing is bounced except when the connection is successful. The check=true setting tells surgemail to actually connect to the server and check that recipients exist before accepting an incoming email for that user, this is STRONGLY recommended, as it stops the server having to bounce thousands of messages when spammers send to invalid addresses on your server. If SMTP authentication is required on the destination server the user and pass fields need to be completed. G_gateway domain=”” to=”1.2.3.4″ user=”username” pass=”password” To relay mail from anyone to user accounts in the domain to the host 1.2.3.4. Normally “domain” and “to” are the only fields that need to be filled in. This setting has the fields domain(required), to(required), user(optional), pass(optional), relay=true/false(optional),check=true/false (optional) Open relay restrictions do not apply to messages sent to this domain because they are considered as if they were local users and not ‘relaying’. eg: nonauthenticated users are able to send in mail. You specify the domain and IP address to send messages to and this server is treated as ‘local’ rather than remote in terms of open relay restrictions. Typically this other server is inside a fire wall so it’s local IP address is not known by the DNS server. Used to gateway messages to another local mail server. G_gateway – Gateway messages to a particular domain (Or smarthost)
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