I want to use my VPS web server as a private smtp server for my home
- I'm developing software for my wife's business.
- Email is the primarily transport for communication.
- To date, I've been using gmail for outbound smtp sending of email.
- I've hit the Gmail threshold for number of msgs per day:
sendmail: 550 5.4.5 Daily sending quota exceeded. f67sm9848964yhi.10 - gsmtp
- I suspect this sending threshold will be an issue during development only
- I develop from my home, and am now blocked by the inability to send email
- My wife's business has a web site running from a VPS outside my home
- This site runs Postfix today for local sending of email
- My ISP (Comcast) blocks port 25 in both directions.
What I want is to also configure Postfix on the VPS web server as an SMTP server for my home, and only my home, so I can continue my work. I believe I'll need to use a non-standard port for smtp. I have DHCP controlled connection to the internet, meaning my home has a non-static IP address on the internet.
I'm not much of an email guy, and really don't want to be (I read manuals all day, I don't need yet another skill set). Is there an easy(ish) way of setting this up securely so that I'm not opening the VPS web server up to spammers?
- Email is the primarily transport for communication.
- To date, I've been using gmail for outbound smtp sending of email.
- I've hit the Gmail threshold for number of msgs per day:
sendmail: 550 5.4.5 Daily sending quota exceeded. f67sm9848964yhi.10 - gsmtp
- I suspect this sending threshold will be an issue during development only
- I develop from my home, and am now blocked by the inability to send email
- My wife's business has a web site running from a VPS outside my home
- This site runs Postfix today for local sending of email
- My ISP (Comcast) blocks port 25 in both directions.
What I want is to also configure Postfix on the VPS web server as an SMTP server for my home, and only my home, so I can continue my work. I believe I'll need to use a non-standard port for smtp. I have DHCP controlled connection to the internet, meaning my home has a non-static IP address on the internet.
I'm not much of an email guy, and really don't want to be (I read manuals all day, I don't need yet another skill set). Is there an easy(ish) way of setting this up securely so that I'm not opening the VPS web server up to spammers?
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Email Servers
Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.
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