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I am using a service called post.io that uses Haraka to send the messages. I wonder if anyone can help me set up an alternate output using AWS or any other SMTP when a message has its delivery rejected by a server. |
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I'm pretty sure this can be done out-of-the-box. For incoming emails, the smtp_forward plugin has per-domain routing that I aded a long time ago. It lets you send incoming emails to particular backend servers. For outbound, you can use the |
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You start with our plugin docs which let you plug into various parts of the SMTP conversations. |
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I'm pretty sure this can be done out-of-the-box. For incoming emails, the smtp_forward plugin has per-domain routing that I aded a long time ago. It lets you send incoming emails to particular backend servers. For outbound, you can use the
get_mx
hook and add custom routes for individual domains.