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  1. #1
    Registered User
    Join Date
    Jul 2016
    Posts
    1

    Exclamation Modify mail server config and now having problem

    Hello Brothers/Sisters

    Please help me out with this problem. I am new to linux and its commands i can only use a little vi editor. Sorry if this type of thread posted earlier but i need solution please.

    Here is my problem - "SMTP Error (250): Authentication failed." in roundcube


    i did some changes in my mail server like postfix and dovecot from some website steps to secure my emails but got only problems no solution. I modify many files in my centos 7 server to secure but nothing happen.


    Few errors after using different website steps to use postfix and dovecot:-
    1. SMTP Error (250): Authentication failed.
    2. connection failed
    3. nothing happen only processing in roundcube



    Now i am not getting any mails and not able to send too.


    To solve my problem i delete every line which i write for postfix and dovecot (i think i deleted but maybe few left which i dont remember or dont understand)


    Please help because this is my production vps and i dont want to loose this server at all.


    Other then mail server everything is working fine
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  2. #2
    Registered User 24x7servermanag's Avatar
    Join Date
    Jul 2017
    Location
    India
    Posts
    1,020
    What are the /var/log/maillogs and SMTP mail logs ? Have you checked them?
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