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    Issue Error when try send a mail with attached image throught Roundcube Webmail

    Hi, there is a issue when try to send a mail with attached image throught Roundcube Webmail. I think that is caused by a recent update of 18.0.5x, because this happens since two months ago aprox. I attach a screen with the console error. I don't see anything on roundcube file logs. Thanks.
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    Question Too much connections to blacklisted bot IP's

    Hi. I've recently observed quite a large amount of outgoing connections from port 25 to numerous (malicious?) IP's through postfix, in turn creating several rather strange smtpd processes. I think they are bad bots. I'm mass banning them via fail2ban in the plesk-postfix part every time they do...
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    Question Find source of problem sending e-mail with different HELO value

    Hello everyone. Since a week ago we got into the XBL and CSS lists of Spamhaus.org, due to a problem with a mysterious e-mail sending whose HELO value is "outlook.com". This is obviously impossible because on this server we have HELO well configured with the server name, more than 400 email...
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