Relay for Postfix


In some countries the IP’s are blacklisted by, Therefore they cannot send emails to AOL, Gmail, Hotmail, Yahoo.
Other issues involve port restriction and SMTP blocking policies of ISP’s which stops IP’s to host a email server.

1.How to configure SMTP relay in YunoHost?
2.Can the relay be configured to other YunoHost servers hosted around the world?
3.Is there any other solution to bypass the blacklist?

What countries are we talking about ?

You may want to use the relayhost directive in the postfix configuration:

Not in a simple fashion, but you can use authentication to another YunoHost smtp server as in the link above.

You can often ask for a “blacklist removal” at related services. But you have to ask to every one of them.