mx-record | 易学教程

sendmail and MX records when mail server is not on web host

阅读更多关于 sendmail and MX records when mail server is not on web host

问题 This is a problem I'm sure is easy to fix, but I've been banging my head on it all day. I'm developing a new web site for a client. The web site resides at (this is an example) website.com. I have a PHP form script to email visitors' requests to requests@website.com. When I coded this on a staging server on a different domain, all worked fine. When I moved it to website.com, the mail messages never arrived. The web server is on a virtual host with a major ISP. Here's what I've learned since

sendmail and MX records when mail server is not on web host

阅读更多关于 sendmail and MX records when mail server is not on web host

Postfix redirect

阅读更多关于 Postfix redirect

问题 I have tried so much and don't get things working. I have a domain and no hosting/webmail so I wanted to redirect everything to my gmail account. As I have a linux (Lubuntu 13.06) machine running I thought I could configure a mail server. That seemed not to be so easy. I have redirected my mail.domain.com to my ip and the port is open (I know this because while playing about, I once did receive an error message back by email from Postfix) I am working with Postfix, however any other

Unable to check mx records for domains such as yahoo and outlooks etc

阅读更多关于 Unable to check mx records for domains such as yahoo and outlooks etc

问题 I am trying to write a python script which would check the authenticity of a mail ID from a csv file which has the whole list. I am doing these three check for every email ID 1. Regex check regex = re.compile( r'^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,})$') 2. Domain Check splitAddress = email.split('@') domain = str(splitAddress[1]) records = dns.resolver.query(domain, 'MX') mxRecord = records[0].exchange mxRecord = str(mxRecord) 3. SMTP conversation check server =

Mailgun Server response: 550 Sender rejected

阅读更多关于 Mailgun Server response: 550 Sender rejected

问题 Recently I ran into a problem trying to send email using the mailgun API because mailgun uses the domain registered with mailgun in the 'sender' field for the email 'envelope' map. The failed response error message I got was: Server response: 550 postmaster@mg.example.com Sender rejected I followed the directions in the mailgun documentation for verifying my domain and used the recommended best practice of creating the 'mg' subdomain for my mailgun email routing. After adding the text records

How to, using PHP, ping an SMTP server and check MX records?

阅读更多关于 How to, using PHP, ping an SMTP server and check MX records?

How to, using PHP, ping an SMTP server and check MX records? I'm willing to write a script such as the one that can be found on http://bit.ly/z4RE I've used aaa@mailinator.com as the test mail and this is the result in more human-readable format: Result: Ok Log: MX record about mailinator.com exists. Connection succeeded to mailinator.com SMTP. 220 mail.sogetthis.com ESMTP Postfix > HELO verify-email.org 250 Hello > MAIL FROM: <check@verify-email.org> =250 OK > RCPT TO: <aaa@mailinator.com> =250 OK I know that port 25 must be open on the server. To get MX records corresponding to a given

Why have MX records? [closed]

阅读更多关于 Why have MX records? [closed]

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . I previously asked a question regarding MX records (and appreciate the thoughtful answers I received from SO'ers). Now that that problem is resolved, I want to step back and ask why there are MX records in the first place. Specifically: Why does SMTP get special treatment by DNS? We don't have HX records for

MX Record lookup and check

阅读更多关于 MX Record lookup and check

I need to create a tool that will check a domains live mx records against what should be expected (we have had issues with some of our staff fiddling with them and causing all incoming mail to redirected into the void) Now I won't lie, I'm not a competent programmer in the slightest! I'm about 40 pages into "dive into python" and can read and understand the most basic code. But I'm willing to learn rather than just being given an answer. So would anyone be able to suggest which language I should be using? I was thinking of using python and starting with something along the lines of using 0s

Why have MX records? [closed]

阅读更多关于 Why have MX records? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Learn more . Want to improve this question? Update the question so it's on-topic for Stack Overflow. I previously asked a question regarding MX records (and appreciate the thoughtful answers I received from SO'ers). Now that that problem is resolved, I want to step back and ask why there are MX records in the first place. Specifically: Why does SMTP get special treatment by DNS? We don't have HX records for HTTP or FX records for FTP. It seems like every other Internet protocol gets along just fine with DNS' A record.

How can I look up a DNS MX record for a given server in Java?

阅读更多关于 How can I look up a DNS MX record for a given server in Java?

问题 Anybody knows how to get MX address (from for example gmail.com) in java using standard libraries? Or do I need to download external one? I'm using netbeans if it can be helpful (if it provides something for this). 回答1: I was also searching for standart lib for this in java. Unsuccessful. Then I have used dnsjava. private Record[] lookupMxRecords(final String domainPart) throw TextParseException { final Lookup dnsLookup = new Lookup(domainPart, Type.MX); return dnsLookup.run(); } 来源： https:/