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Multiple SMTP Relay

Discussion in 'Plesk 11.x for Linux' started by EnriqueR, Feb 4, 2013.

  1. EnriqueR

    EnriqueR Regular Pleskian

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    Location:
    Carcelén, 6, 3M, Albacete, Spain
    Dear friends, I have a VPS with multiple domains hosted. Over time I was a problem with shipping to accounts 'hotmail.com'. The solution I found was to hire an SMTP service to relay e. I had to configure Postfix to have some authentication data for each domain. Here attached configuration for which you can serve:

    /etc/postfix/main.cf
    smtp_sasl_auth_enable = yes
    smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwords
    smtp_sasl_security_options = noanonymous
    smtp_tls_security_level = may
    start_tls = yes
    header_size_limit = 4096000
    smtp_sender_dependent_authentication = yes
    sender_dependent_relayhost_maps = hash:/etc/postfix/sender_relay
    relayhost =

    /etc/postfix/sender_relay
    @dominio.com [smtp.servidorsmtp.com]:25

    /etc/postfix/sasl_passwords
    #[smtp.servidorsmtp.com]:25 usuario:clave
    @dominio.com usuario:clave

    postmap /etc/postfix/sender_relay
    postmap hash:/etc/postfix/sasl_passwords
    /etc/init.d/postfix restart

    This configuration works well for the relay of all emails in each domain. My question now is whether there is a Postfix configuration allowing the relay emails sent only to 'hotmail.com' for each domain. That would solve my problem, because the only emails I am having reception problems are with 'hotmail.com', others are working properly and I can send to my VPS server.

    Thank you very much in advance.
     
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