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foxcpp / maddy

✉️ Composable all-in-one mail server.
https://maddy.email
GNU General Public License v3.0
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Feature request #550

Closed xdkaka closed 1 year ago

xdkaka commented 1 year ago

Use case

What problem you are trying to solve? I want to install multiple SMTP services in different IPs. When one ip fails to send emails, it will automatically switch to another server to send emails.

Your idea for a solution

How your solution would work in general? I can set target.smtp outbound_delivery multiple targets? how should I do？Thank you

foxcpp commented 1 year ago

https://maddy.email/reference/targets/smtp/

Syntax: targets endpoints... Default: not specified

REQUIRED.

List of remote server addresses to use. See Address definitions for syntax to use. Basically, it is 'tcp://ADDRESS:PORT' for plain SMTP and 'tls://ADDRESS:PORT' for >SMTPS (aka SMTP with Implicit TLS).

Multiple addresses can be specified, they will be tried in order until connection to one succeeds (including TLS handshake if TLS is required).

xdkaka commented 1 year ago

https://maddy.email/reference/targets/smtp/

Syntax: targets endpoints... Default: not specified REQUIRED. List of remote server addresses to use. See Address definitions for syntax to use. Basically, it is 'tcp://ADDRESS:PORT' for plain SMTP and 'tls://ADDRESS:PORT' for >SMTPS (aka SMTP with Implicit TLS). Multiple addresses can be specified, they will be tried in order until connection to one succeeds (including TLS handshake if TLS is required).

Thank you

imzykk commented 1 year ago

https://maddy.email/reference/targets/smtp/

Syntax: targets endpoints... Default: not specified REQUIRED. List of remote server addresses to use. See Address definitions for syntax to use. Basically, it is 'tcp://ADDRESS:PORT' for plain SMTP and 'tls://ADDRESS:PORT' for >SMTPS (aka SMTP with Implicit TLS). Multiple addresses can be specified, they will be tried in order until connection to one succeeds (including TLS handshake if TLS is required).

I have tried,only when the connection fails,and another server will be retried. But if a server fails to send(For example, the server IP address can't connect receiver or IP addressis blocked), it will not switch to another server to send. What should I do to make it work? Thank you