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| Can anyone help me configure Postfix? https://forum.linode.com/viewtopic.php?f=11&t=8774 |
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| Author: | breakintheclouds [ Tue May 01, 2012 4:41 pm ] |
| Post subject: | Can anyone help me configure Postfix? |
Hello everybody. Sorry my first post here is a request for information, but I'm going crazy trying to solve a problem with postfix and have run out of ideas. For information, the FQDN of my site is luna.lowcarbon.com. I've followed all the instructions here: http://library.linode.com/email/postfix ... -6-squeeze but, when I send email from my site (e.g., when my mediawiki installation tries to send login details to users), I get the following in /var/log/mail.log: May 1 18:21:13 luna postfix/smtp[27187]: 5B8C07404E: to=<PERSON@SOMEDOMAIN.com>, relay=SOMEDOMAIN.com[91.103.217.17]:25, delay=0.07, delays=0/0.01/0.03/0.02, dsn=5.0.0, status=bounced (host SOMEDOMAIN.com[91.103.217.17] said: 550-Verification failed for <www-data@luna.lowcarbonuk.com> 550-The mail server could not deliver mail to www-data@luna.lowcarbonuk.com. The account or domain may not exist, they may be blacklisted, or missing the proper dns entries. 550 Sender verify failed (in reply to RCPT TO command)) So it seems the site I'm sending to tries to ping back to see if the sender (www-data@luna.lowcarbonuk.com) exists, presumably as an anti-spam measure. Using the instructions in the Linode link above, I think I have created a mail user in MySQL called www-data@luna.lowcarbonuk.com (they're certainly visible in /home/vmail/luna.lowcarbonuk.com/www-data) but this hasn't solved the problem. If anybody has any advice on what I might do now I'd be really grateful as I'm tearing my hair out! |
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| Author: | vickd [ Tue May 01, 2012 4:53 pm ] |
| Post subject: | |
Lowcarbon.com is in DNS but luna.lowcarbon.com is missing. |
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| Author: | breakintheclouds [ Tue May 01, 2012 5:03 pm ] |
| Post subject: | |
Thanks, vickd. DNS is something I've only limited experience with. I have an entry for luna.lowcarbonuk.com in the MX records and there's an entry for 'luna' in the A records. Can you please give me any idea of what should be in the DNS? |
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| Author: | vonskippy [ Tue May 01, 2012 5:15 pm ] |
| Post subject: | |
Nope, nothing for luna.lowcarbon.com, MX apparently set to an external email host. Code: Retrieving DNS records for lowcarbon.com... Code: Retrieving DNS records for luna.lowcarbon.com... |
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| Author: | vickd [ Tue May 01, 2012 5:26 pm ] |
| Post subject: | |
Did you use the Linode DNS manager or the bytemark DNS? As bytemark name servers are used for the domain you have to do it there. |
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| Author: | pclissold [ Tue May 01, 2012 5:38 pm ] |
| Post subject: | |
In your question, you use the domain 'lowcarbon.com'; in your logs and examples, you use 'lowcarbonuk.com'. The DNS for 'lowcarbonuk.com' looks OK to me and I appear to be able to send mails to your test userid (www-data@luna.lowcarbonuk.com). |
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| Author: | breakintheclouds [ Wed May 02, 2012 2:24 am ] |
| Post subject: | |
Thank you everybody. I'm feeling extremely stupid: I did indeed type lowcarbon.com in my question when I meant lowcarbonuk.com. 
Thank you to everybody who replied and tested the email address in question. It's now working fine for me too; I think the issue must have been the DNS records not having propagated. |
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