Hi, I’m using a thirdy part provider for email boxes and domain registration. From this provider I’ve redirected my domain to a DO VPS running Ubuntu 14.04. Using SENDMAIL if I send an email to xyzqwe@gmail.com (or @otherdomain.ext) all works great, but if I send an email to xyzqwe@SameVPSDomain.ext it doesn’t work. What is the problem? Why from DO droplet I cannot send email to a thirdy part email provider?? Thanks in advance.
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Hello,
This is happening most likely because your mail service thinks that mail sent to it’s own configured hostname is handled locally. To fix this, open the /etc/mail/sendmail.mc file with your favorite text editor. If you use vim:
vim /etc/mail/sendmail.mc
Then go and edit the following. I’m using the domain SameVPSDomain.ext, but you want to replace that with whatever your domain name is.
define(`MAIL_HUB', `SameVPSDomain.ext')dnl
define(`LOCAL_RELAY', `SameVPSDomain.ext.')dnl
Save that, then recompile things and restart sendmail with:
sendmailconfig
service sendmail restart
This should route mail from your domain using DNS and the MX records for SameVPSDomain.ext instead of routing it locally.
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