Re: Apache James : Purely MX record based smtp.

Hello Beniot,

This exactly what I am doing in Apache James 3.5.0 in mailetcontainer.xml.

       <mailet match="All" class="RemoteDelivery">
          <outgoing>outgoing</outgoing>
          <delayTime>5000, 100000, 500000</delayTime>
          <maxRetries>25</maxRetries>
          <maxDnsProblemRetries>0</maxDnsProblemRetries>
          <deliveryThreads>${env:MTA_DELIVERY_THREADS}</deliveryThreads>
          <sendpartial>true</sendpartial>
         <bounceProcessor>bounces</bounceProcessor>
          <gateway>${env:SMTP_GATEWAY}</gateway>
          <gatewayPort>${env:SMTP_GATEWAYPORT}</gatewayPort>

          <!-- If the gateway requires smtp authentication the following directives -->
          <!-- (gatewayUsername/gatewayPassword) can be used. -->
          <gatewayUsername>${env:SMTP_WEBSSO_USERNAME}</gatewayUsername>
          <gatewayPassword>${env:SMTP_WEBSSO_PASSWORD}</gatewayPassword>

          <!-- Set the HELO/EHLO name to use when connectiong to remote SMTP-Server -->
          <!--
          <mail.smtp.localhost>myMailServer</mail.smtp.localhost>
            -->
       </mailet>


The java exception on the other hand states the following :
  jvm 1 | 30-Jun-2021 10:20:30.654 ERROR [RemoteDelivery-2] org.apache.james.dnsservice.library.MXHostAddressIterator.<init>:79 - Couldn't resolve IP address for discovered host smtpxxx.xxxx.com.


amlan


On 01/07/2021, 02:47, "[email protected]" <[email protected]> wrote:

    Hello,

    If ou are using a gateway you should configure it directly
    mailetcontainer.xml RemoteDelivery mailet.

    Otherwize James would attempt to deliver all mails itself to remote domains.

    Eg:

                <mailet match="All" class="RemoteDelivery">
                    <outgoingQueue>outgoing</outgoingQueue>
                    <delayTime>5000, 100000, 23*500000</delayTime>
                    <maxRetries>25</maxRetries>
                    <maxDnsProblemRetries>0</maxDnsProblemRetries>
                    <deliveryThreads>10</deliveryThreads>
                    <bounceProcessor>bounces</bounceProcessor>
                    <gateway>${env:JAMES_REMOTE_DELIVERY_GATEWAY}</gateway>

    <gatewayPort>${env:JAMES_REMOTE_DELIVERY_GATEWAY_PORT}</gatewayPort>

    <gatewayUsername>${env:JAMES_REMOTE_DELIVERY_USERNAME}</gatewayUsername>

    <gatewayPassword>${env:JAMES_REMOTE_DELIVERY_PASSWORD}</gatewayPassword>
                </mailet>

    Cheers,

    Benoit

    On 30/06/2021 22:56, Amlan Sengupta wrote:
    > Hello,
    >
    > To be honest I was not expecting it to need anything else besides a MX Record.
    >
    > The java exception on the other hand states the following :
    > jvm 1 | 30-Jun-2021 10:20:30.654 ERROR [RemoteDelivery-2] org.apache.james.dnsservice.library.MXHostAddressIterator.<init>:79 - Couldn't resolve IP address for discovered host smtpxxx.xxxx.com. Seems to me that the RemoteDelivery class is looking for an ip address for smtpxxx.xxxx.com and treat it as an A Record. Where as all it is the following
    >
    > $host smtpxxx.xxxx.com
    > smtpxxx.xxxx.com mail is handled by 10 sinxxx.xxx.com.
    > smtpxxx.xxxx.com mail is handled by 10 sinyyy.yyy.com.
    > smtpxxx.xxxx.com mail is handled by 10 frayyy.yyy.com.
    > smtpxxx.xxxx.com mail is handled by 10 fraxxx.xxx.com.
    >
    > All my usecase is
    >
    > Application running in a container ---> ApacheJames Running in a separated container ( MTA ) ------> SMTP gateway (exposed through MX Records)
    >
    > Amlan
    >
    >
    >
    > On 30/06/2021, 16:43, "David Matthews" <[email protected]> wrote:
    >
    >     hi Amlan
    >
    >     Why do you think any SMTP server needs anything other than an MX record?
    >
    >     OK Some TXT records for dkim, spf and dmarc, but why an A record?
    >
    >     I doubt that I properly understand your use case and since James itself does SMTP, I don't follow why you talk about connecting to an smtp provider with your own James instance.
    >
    >     I'm out of date with James now, but did do a write up with config changes, as much as for my own future reference as for anyone else. I'm not sure if it will help you, but it's at
    >
    >     https://dmatthews.org/java_email.html
    >
    >     if you care to look.
    >
    >     best wishes
    >
    >     --
    >     David Matthews
    >     [email protected]
    >
    >
    >
    >
    >
    >
    > ---
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