From what I have read /etc/hosts must have the format: ip-address FQDN (fully-qualified-domain-name) alias1 alias2 alias3 etc for example this is my /etc/hosts 127.0.0.1 localhost.localdomain localhost 234.124.12.454 mysite.com server mail www so from what I can see to start is your /etc/hosts shoul...

Still have the errors but I did find a great link to test out your server's configuration:


http://www.dnsreport.com/tools/dnsreport.ch?domain=addyourdomainhere.com

Posting the solution is great (more people should do this... you never know when someone will be on Google with the same problem). Don't forget to award yourself participation points! ;-) I didn't see this post..... that's how I found this site and I'm glad I did! Seems like a fantastic resource!

BigWebMaster a quick question? Your /etc/hosts file has the line

55.555.55.5 mail.somedomain.com

correct me if I am wrong but shouldn't it be...

55.555.55.5 somedomain.com mail

BigWebMaster, if your solution works your gonna get a cookie! :D I have these errors coming back ever so often: ----- The following addresses had permanent fatal errors ----- <someguy@somewhere.com> (reason: 503 valid RCPT command must precede DATA) ----- Transcript of session follows ----- ....