Hi,

Problem resolved.  I am very surprised at what was causing the problem.

I have a VPS and it was serving keiththewebguy.com.

I decided I wanted to learn BIND / Let's Encrypt / Postfix / Dovecot.

I changed the host/glue records for keiththewebguy.com pointing then to my home server.

I then started to configure an old laptop as a LAMP server. Then I added BIND... all was well.

Then I added the free SSL ... again all was well.

Then I added Postfix and Dovecot.

I then circled back and fixed a couple things.

I was able to send email to a domain hosted on my VPS, however I was not able to send from the VPS to keiththewebguy.com. My home server email worked with gmail and yahoo mail.

Got my ISP involved and I learned the unexpected.

I had not removed the vhost on the VPS for keiththewebguy.com, so when I sent email from the VPS to my home server, it saw the same email on the local server (VPS) and routed it to the inbox.

I am very surprised this occurred. I would have thought the sending server (VPS) would follow the DNS to my home server.

I removed the vhost for keiththewebguy.com off my VPS and now I can send from the VPS to my home server.

Is this normal behavior?

Thanks!!









On 2021-07-08 10:59, techli...@phpcoderusa.com wrote:
Hi,

        I am running Ubuntu 20.04lts / Apache / MySql (or a clone) / PHP /
BIND9 / Postfix / Dovecot

        Web server works.  I have configred a lot of LAMP virtual host
servers.  I am new to BIND9 / Postfix / Dovecot.

        FQDN is soho.keiththewebguy.com

MX record is : keiththewebguy.com. IN MX 10 soho.keiththewebguy.com.

        A Record : soho.keiththewebguy.com.        IN A    98.191.108.149

Reverse (PTR) record: 149.108.191.98.in-addr.arpa -> soho.keiththewebguy.com

https://intodns.com/keiththewebguy.com says things are configured correctly.

I have a Let's Encrypt wild card SSL which I placed in Postfix and Dovecot.

Nothing that looks like an error in : /var/log/mail.log or /var/log/syslog

        I can send email however I cannot recieve.

        Any thought how I can troubleshoot this?

        Thanks!!

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