I configured a Postfix server on Ubuntu 16.04 and I can send mails to Hotmail, Gmail, etc. But I am receiving relay error when sending back from Hotmail, Gmail to my server.
After hours trying to fix this error, I guess I need an expert.
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What does the logs says. You said its an relay error but you had not mentioned pull error. It would be better if you can share more details in pm. About myself https://www.freelancer.com/u/redssr.html
Hello, i have more then 3 year experience and will proceed on the task by checking postfix confinguration to troubleshoot the issue so that it function properly. Thank you waiting for reply,
Hello, i can help you to fix this error on your mail server I'm a profession PHP developer / Linux sysadmin with 5+ years of experience. Always do my job quickly and efficiently. Regards