Questions tagged [relay]
The relay tag has no usage guidance.
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How do I setup DNS for a local email server with a SMTP relay
I'm trying to move my mail server (multi domain) to my home to increase security/privacy.
Therefore I set up a local server and a SMTP relay (postfix) on a hosted VPS (because of static IP, etc.).
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Exchange Relay Error 550 5.7.367
I've got a somewhat unique situation. I work for an MSP and am running into the aforementioned email relay issue.
Basically, an email from a client is being sent to a distribution list on our domain. ...
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Relay access denied when forwarding email via domain registrar
UPDATE: It turns out that it took several hours for my changes to take effect. So everything's fine now. But I hope this question and answer will be useful for someone.
I have a domain name which I've ...
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Access Home Webserver behind DSLite via Relay Server
So I have this connection where I don't get a public IPv4 address, only a IPv6 from my provider, and every IPv4 traffic is tunneled to their Server and translated to v4 via NAT (and back). Now, I ...
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Postfix: inbound and outbound relay with store and forward - advice needed
My ISP blocks port 25, so I'd like to setup a store and forward inbound and outbound postfix server (relay-server) that communicates with a mailstore server (mailstore-server), which is unable to ...
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How to filter email originating from @domain.com on Exim4?
I'm trying to implement a basic phishing protection on our Exim4 email relay.
The way we have our mail delivery setup is following:
external hosted smtp server -> exim4 relay -> Exchange server
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postfix in docker cannot resolve hostname of relay host
My postfix instance running in a docker container seems to be unable to resolve the hostname of my relay which is outbound.mailhop.org (formerly Oracle and now owned by DuoCircle).
Relay fails with ...
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UPS on DC lines [closed]
How could a UPS switch between battery and AC wall socket fast from around 4 ms to 12 ms. What make it especial to switch in that very low time. As far as I know it has relays inside it to perform the ...
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Zero-config HTTP relay server
I develop a desktop product (C#) that has a built-in Web server (ServiceStack) that can be used for remote management of the database - I will refer to this as the Internal Server. Many users want to ...
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What are my best option(s) if desiring to tunnel/reverse-proxy to-and-from a telnet server?
I have a quite small VPS abroad, and a BBS telnet server software that i wish to run locally.
What are my options, If i wish to only use the VPS as a relay for connections, effectively and ...
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How to configure a Linux DHCP server when behing a DHCP relay?
Considere the following:
How can I configure my DHCP server (isc-dhcp-server package on ubuntu) to feed addresses for 172.16.0.0/18 subnet as it does not has any interface in that subnet? I tried to ...
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How to setup two Linux VPS servers to act as a traffic/data relay
I have two VPS servers running Ubuntu located in different regions. How can I utilize these two servers to act as a data relay, shown in this diagram:
Client --> VPS1 ----> VPS2 ----> Internet
So ...
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293
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Transistor to disconnect Ethernet connection
An old notebook I found in the basement always tries to boot from the network as I start it. Unfortunately I've forgotten the BIOS password.
I figured out that one USB port delivers power until ...
Maximilian
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Postfix: relay but with sender's address
I have postfix configured now that incoming emails (catch-all) are sent immediately to a specific email on GMail. However I don't see the original sender's address in received emails.
What I am ...
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How can I set different From Email to office365 postfix smtp relay?
I have configured the office365 postfix SMTP relay but If I didn't have the same email address I used to authenticate, my mail fails.
How can I send from a different email address?
Say like my ...
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