Mehmet Ozcelik

  • Total activity 24
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Activity overview

Latest activity by Mehmet Ozcelik

  • Mehmet Ozcelik commented,

    1. Community
    2. Email
    3. Email Dictionary Attack

    hellocpanel / whm is really weak in preventing this dictionary attack issue. it's kind of like the mail version of a ddos ​​attack. Ratelimit incoming connections with only failed recipients [?]Rat...

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    • Mehmet Ozcelik
    • 0 votes

  • Mehmet Ozcelik commented,

    1. Community
    2. Email
    3. Email Dictionary Attack

    It's interesting that it stopped at the same time for both of us.So this was a type of attack on a global scale and it seems to have stopped at some points.

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    • Mehmet Ozcelik
    • 0 votes

  • Mehmet Ozcelik commented,

    1. Community
    2. Email
    3. Email Dictionary Attack

    it seems like it has stopped completely for 2 hours.interestingly, we have 2 different servers and it started at the same time on both of them.it stopped at the same time on both of them these star...

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    • Mehmet Ozcelik
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  • Mehmet Ozcelik commented,

    1. Community
    2. Email
    3. Email Dictionary Attack

    smtp_accept_max_per_connectionThe value of this option limits the number of MAIL commands that Exim is prepared to accept over a single SMTP connection, whether or not each command results in the t...

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    • Mehmet Ozcelik
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  • Mehmet Ozcelik commented,

    1. Community
    2. Email
    3. Email Dictionary Attack

    hello thank you very much for your help. in exim advanced configurationsmtp_accept_maxsmtp_accept_max_per_connectionsmtp_accept_max_per_connection can't it be solved or limited with the settings.ha...

  • Mehmet Ozcelik commented,

    1. Community
    2. Email
    3. Email Dictionary Attack

    Hello"Initial default/catch-all forwarder destination" setting is fail, I am sending it in the picture. I have been dealing with these dictionary attacks for 2-3 days Could you find the setting tha...

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    • Mehmet Ozcelik
    • 0 votes

  • Mehmet Ozcelik created a post,

    Email Dictionary Attack

    1. Community
    2. Email

    hellofor about 2 days now, whm has been trying to send random mails to email addresses that we do not have."No such person at this address" in whm After 100 mailsNumber of failed recipients exceede...

    • Mehmet Ozcelik
    • 8 followers
    • 57 comments
    • 0 votes

  • Mehmet Ozcelik created a post,

    mysql - ib_logfile files taking up too much space

    1. Community
    2. Databases

    hellothere is little space left in the disk area of ​​the partition where the centos operating system is installed. /var/lib/mysqlib_logfile0ib_logfile1 there are 2 - 10 gb log files. if we stop my...

    • Mehmet Ozcelik
    • 3 followers
    • 1 comment
    • 0 votes

  • Mehmet Ozcelik commented,

    1. Community
    2. Email
    3. We constantly receive e-mails to an address that does not belong to us.

    The incoming e-mails are spam and junk e-mails, I think they are not real.Defining a domain and deleting it won't do us any good :) So, wouldn't it negatively affect our hosting when emails are sen...

  • Mehmet Ozcelik commented,

    1. Community
    2. Email
    3. We constantly receive e-mails to an address that does not belong to us.

    Thank you very much for your answers, I appreciate itLet me ask a few more questions. We defined 20 IPs to our new server.We created 2 IP addresses for the ns1 and ns2 records and defined them to t...