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Thread: plain authenticator failed - SMTP

  1. #1
    Join Date
    Sep 2011
    Posts
    37

    plain authenticator failed - SMTP

    Hi,
    I recently installed prestaShop and set E-mail settings to use SMTP instead of PHPmail, the SMTP settings are correct (like in MUAs), e-mails are sending/arriving OK to clients but suddenly I noticed getting that error in exim's log everytime the shop sends an e-mail.

    Code:
     plain authenticator failed for h1881165679.rev.rootvps.pl (mail.xxx.tld) [188.116.56.79]: 535 Incorrect authentication data (set_id=xxx@xxx.tld)
    domain/mail obfuscated

    So, that error occurs but e-mail is delivered OK.

    When I change SMTP encryption settings from 'none' to eg. 'TLS' in prestaShop (as I'm using in MUAs like Thunderbird with NO error) here there is an error
    Code:
     SMTP protocol synchronization error (input sent without waiting for greeting): rejected connection from H=h1881165679.rev.rootvps.pl [188.116.56.79] input="\026\003\001"
    And of course no mail is sended.

    In that case doing
    Code:
    openssl s_client -starttls smtp -crlf -connect 188.116.56.79:587
    
    CONNECTED(00000004)
    ....
    SSL handshake has read 2345 bytes and written 482 bytes
    ---
    New, TLSv1/SSLv3, Cipher is DHE-RSA-AES256-SHA
    Server public key is 1024 bit
    Secure Renegotiation IS supported
    Compression: NONE
    Expansion: NONE
    SSL-Session:
        Protocol  : TLSv1
        Cipher    : DHE-RSA-AES256-SHA
        Session-ID: A68184AEDAA3D92629F7827BA67F9F8BC05EB53393AC2C764B8EE866F4BA5E1C
        Session-ID-ctx:
        Master-Key: 01E62FB5BEF415615DD53B25ACED3AB3849A580564B996EB3150A84882E25D73D727939F22E20AEABF4BE76EE7EAAFC5
        Key-Arg   : None
        Krb5 Principal: None
        Start Time: 1353063581
        Timeout   : 300 (sec)
        Verify return code: 18 (self signed certificate)
    ---
    250 HELP


    When I use eg. Thunderbird as the same outgoing server settings there is NO such error and mails are delivering NP. This is only script that sends emails using SMTP so I don't know if it's a DA specific case or prestaShop - if don't - please feel free to delete this thread.

    I'm using SpamBlocker4.1
    Code:
    plain:
        driver = plaintext
        public_name = PLAIN
        server_prompts = :
        server_condition = "${perl{smtpauth}}"
        server_set_id = $2
    As for now I stuck with SMTP Encryption 'None' mails sending but full of errors in logs.

    Thanks in advance for any clue.

  2. #2
    Join Date
    Jul 2005
    Posts
    2,008
    Why care if it sent ok?

  3. #3
    Join Date
    Apr 2005
    Location
    GMT +7.00
    Posts
    11,023
    Quote Originally Posted by Tootle View Post
    Thanks in advance for any clue.
    Hello,

    I'd guess it's a prestaShop issue. Did you check it's forums and documentation?

    I'm not sure, but this might be helpful http://www.presto-changeo.com/en/con...email-problems
    With regards, Alex.

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