How to relay all local mail through external SMTP relay?

Let’s learn how to relay all local mail through external SMTP relay. The most accurate or helpful solution is served by Server Fault.

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Having a local SMTP server to relay emails to my website's mail server

I'm working in a small company. We send our emails through company's mail server which is located (along with company's website) on a shared web host. Once in a while our Internet connection is down or the personnel have to wait a long time to upload their emails (with considerable size of attachments) to the mail server. I would like to setup a local mail server and ask everyone to use this one instead. Then acting as a relay, this local mail server should relay emails to the one on the Internet...

Answer:

We run a local relaying email server (exim4) in our LAN, and it works fine. No DNS changes are needed...

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Mehran at Server Fault Mark as irrelevant Undo

Other solutions

I get the following error on my email account "501 This system is not configured to relay mail"?

I just got a new laptop (with window 7) and moved my email acoounts over. All my email account works fine except my yahoo email. I can send email but not recieve when someone is trying to send email to my yahoo account they get the following error "...

Answer:

Unfortunately, there are lot things that could cause difficulties with POP access. We've outlined most...

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Maria at Yahoo! Answers Mark as irrelevant Undo

Yahoo rejecting our domain mail? while all others accept like google,hotmail etc its only yahoo that rejects m

since installation three months ago of my server yahoo rejects mail from my server but others accept like google, hotmail---my server do receive mail from yahoo to all my accounts --i run on SuSE 10 o/s and i use zimbra server. information from my server...

Answer:

Interesting. Try a different ISP.

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Lucious O at Yahoo! Answers Mark as irrelevant Undo

How do I stop getting '550 relay not permitted' in Perl?

I've copied a small program from the internet so I can send emails using Perl, but after changing the email address and smtp I keep getting 'RCPT TO: error (550 relay not permitted)' What does this mean and how do I stop this error? This is the code...

Answer:

check your mail server and make sure it allows relaying. If you dont have access to mail server then...

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tim85a at Yahoo! Answers Mark as irrelevant Undo

Windows 2003 SMTP server help!?

Well I am having a issue with virtual SMTP servers. I am trying to make it so each domain on my windows 2003 box (Virtual dedicated) has its own IP address for sending mail. I setup a virtual SMTP server for each IP and domain but when I send mail through...

Answer:

get a real server, lilke postfix!

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powerdby... at Yahoo! Answers Mark as irrelevant Undo

Can you use mail() in PHP without creating an unsecure, open mail relay?

Can you use mail() in PHP without creating an unsecure, open mail relay boon to spammers everywhere? I keep trying to read This Page, and I think I understand it, but I'm not sure. Like I said, I think I understand the problem, but I don't feel confident...

Answer:

"%OA" is URL encoding. Email servers don't URLdecode. If %OA has made it to the PHP client...

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willnot at Ask.Metafilter.Com Mark as irrelevant Undo

If I close my mail server's open relay, can I still send mail from my laptop?

I run a linux server with several domains. My open relay condition has actually been abused by spammers. So I wish to close it, but still should send mail from my domain accounts. Does this source any disturbances in my service?

Answer:

Oh no, you should have the ability to configure your mail server with username and password. It ought...

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Vitaly Gritsenko at Quora Mark as irrelevant Undo

How to get help from the yahoo mail support group?

Does anyone know how to contact yahoo mail support??/ they are extremely unresponsive...they keep marking my emails as spam and are not attending to any of my requests. I guess the merger / take over talks are really on their minds. Please if anyone...

Answer:

Go to this online help form and describe your problem: http://help.yahoo.com/fast/help/us/mail/&hellip...

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mjh55_98 at Yahoo! Answers Mark as irrelevant Undo

Need help with home mail server setup.?

I am trying to setup a home mail server. I am using SmarterMail 6.5 on Windows Server 2008. I can send mail via Gmail SMTP relay but cannot receive anything. I use dyndns.com free dns service which offers MX routing and is set to dynamic hostname. DSL...

Answer:

You are configuring POP in GMail on an unsupported client. It seems that you have the wrong port settings...

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jstrutte... at Yahoo! Answers Mark as irrelevant Undo

Ok, I got the ASP mailer working, but now the Mail Server won't recieve the emails. Any ideas?

I added theSendUsind schema and the port, username, and password, and the ASP mailer works with no errors. But the email never makes it to the inbox. It's a contact form on the website that sends the users' information to the company owner, who'sMail...

Answer:

spam filters often catch emails that come from different domains than the actual sending agent. You...

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Rockstar at Yahoo! Answers Mark as irrelevant Undo

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