Re: [CentOS] help from community - Solved !!

Dear All,

I did promise to come back and update you after the problem resolved, but before that i am grateful and personally thanking to everyone for their input, efforts & energy.

Dear Markus Falb,

i apologies for my statement yesterday, i actually missed the part of your email, undoubtedly the information you sent was very much valuable and helped to resolve the cause. i do not hesitate to accept that i did not know about call back function before your email.

Again special Thanks to Reindl Harald & Markus Falb, they made me to understand what i need to do in order to resolve the cause.

FOLLOWING HAS RESOLVED THE PROBLEM:

1.) As you all know, that server where i was sending the message to was configured for address verification & having incorrect PTR records. 2.) When it was coming back for address verification, my server was not accepting connection. 3.) Because my server was configured for "reject_invalid_helo_hostname"

i have to disable following in main.cf to deliver the mails to that server.

reject_invalid_helo_hostname reject_unknown_client_hostname reject_invalid_hostname

Thanks / Regards Prabhpal

Dear Markus Falb

Thanks for your response, it is grate information. it is true i missed the part of your mails.

Thanks / Regards

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On 12.4.2012 14:16, Prabhpal S. Mavi wrote: ...

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i know these commands but if you will carefully look into logs, you will notice that my server is sending mail not receiving. therefor it has nothing to do with their PTR weather it is correct or in correct. that is according to the logic.

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If the receiving server is doing callback than the logic is reversed, so no, at that point your server turns into the receiver. please read my *whole* message again, not only the part with the commands. Have a look at the links I provided. -- Kind Regards, Markus Falb Resident do not top post guerilla http://centos.org/modules/tinycontent/index.php?id=16 (The guidelines part)

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Thanks / Regards Prabhpal S. Mavi

Thanks / Regards Prabhpal S. Mavi