Rotating server idea

Discussion in 'General discussions' started by Joseph, May 17, 2019.

  1. Joseph

    Joseph Member

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    Can this be done? Let's say:

    I buy 5 small servers. All setup with simple VestaCP and their SMTP servers are enabled with dovecot.

    In my main server with Mailwizz, I add all the 5 servers under "SMTP".

    Then I set "Change Server" at every 10 emails.

    Will Mailwizz change rotate the 5 servers at every 10 emails sent?

    Is that how "Change Server" works? And do I look at Application Log in "Miscellaneous" to see if it works?
     
  2. twisted1919

    twisted1919 Administrator Staff Member

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    Pretty much, yes. One caveat is that mailwizz can break the habit if it sees one server performing better than another, this is why you can compensate with a hourly quota, since a service reaching it won't be used that hour.
     
  3. Joseph

    Joseph Member

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    OK that's great.

    Now let's say I have 5 servers and all are running at, say, 100 email per hour.

    I add a new server #6 and set it to 30 emails per hour for purpose of warming up.

    I set "Change Server" to every 100 emails.

    When Mailwizz comes to server #6, once it hits 30 emails, does Mailwizz go to the next server, or it waits for X period and email to #6 again till it reaches 100 emails?

    Just want to get the logic right.
     
  4. twisted1919

    twisted1919 Administrator Staff Member

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    Yes, that's correct. The server reaching the limit is left aside and another server is tried. if no server available, then it will wait.
     
  5. Joseph

    Joseph Member

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    OK, another question. For bounce server and feedback, do I use the main server or do I have to setup the same emails (ie. return@, fbl@,abuse@,postmaster@,etc) for EACH of my smtp servers?
     
  6. twisted1919

    twisted1919 Administrator Staff Member

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    That correct. especially for fbl, you have to set those 3 email addresses for the domain the bounce email is created for.
     
  7. frm.mwz

    frm.mwz Well-Known Member

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    RFC says abuse@ and postmaster@ are a must, all else optional. You can use either for FBL registrations, it will work fine.
     
  8. Joseph

    Joseph Member

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    Thanks everyone. I've tested and I get this error:
    smtp; 550-5.7.1 Unauthenticated email from xxxxxxxx.com is not accepted due to 550-5.7.1 domain's DMARC policy. Please contact the administrator of 550-5.7.1 xxxxxxxxxx.com domain if this was a legitimate mail. Please visit 550-5.7.1 https://support.google.com/mail/answer/2451690 to learn about the 550 5.7.1 DMARC initiative. d11si14112049wrx.131 - gsmtp

    How do I resolve it?
     

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