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Buenas tardes, estoy teniendo inconvenientes desde hace un tiempo con ciertos dominios, que me envian correos, tengo con ellos un retraso de entre 4 a 6 horas e inclusive en casos de 1 dia de retraso, pero lo extraño que con otros dominios es casi instantantaneo la recepcion, dominios locales, o desde el mismo gmail.com que lo recepciono rapido, alguien ya tuvo este inconveniente con el sistema de centos, que me podrian ayudar por favor nose que podria ser, lei que podria ser que me estan atancando o que pueda ser procesos activo, pero como recibo de unos sitios rapidos y de otros no..

Desde ya muy agradecido por cualquier respuesta que me pueda ayudar..

Saludos
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Wednesday, September 26 2018, 05:31 PM
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  • Accepted Answer

    Tuesday, August 10 2021, 04:02 AM - #Permalink
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    Nick Howitt wrote:

    Sorry but I don't really speak Spanish.

    The only program in ClearOS which could delay e-mails is the Greylisting app. Have a look at its documentation if you think that may be the cause. If it is the cause, you will see an entry in /var/log/maillog when the mail is first sent (action=greyist), possibly some repeat retries and then a pass:
    grep postgrey.*reason /var/log/maillog
    If you never see "action=greylist" then it must be either whitelisted or previously known to ClearOS so passed immediately. If you can't find any delays there, it is probably not ClearOS unless your firewall is doing funny things.

    Thank you so much! That's working!
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  • Accepted Answer

    Wednesday, September 26 2018, 05:57 PM - #Permalink
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    Sorry but I don't really speak Spanish.

    The only program in ClearOS which could delay e-mails is the Greylisting app. Have a look at its documentation if you think that may be the cause. If it is the cause, you will see an entry in /var/log/maillog when the mail is first sent (action=greyist), possibly some repeat retries and then a pass:
    grep postgrey.*reason /var/log/maillog
    If you never see "action=greylist" then it must be either whitelisted or previously known to ClearOS so passed immediately. If you can't find any delays there, it is probably not ClearOS unless your firewall is doing funny things.
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