Questions tagged [The fight against spam] (1)

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Protection group in Telegram from spammer attacks?

Good time of day Recently the open group in the telegram, a competitor attacked the mass subscriptions bots (once flew a couple of hundred subscriptions) Combo bot is for the management and analysis, basic spam protection stood (for entry, you must click) Is it possible to protect yourself from such registration?
Zetta_Volkman asked April 19th 20 at 12:27
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Can you check the contents of the attached text files, Postfix?

Can you check the contents of the attached text files that are sent to the mail server Postfix? Want to block sending mail to attach the files which will be certain phrases.
Rita.Krajcik69 asked April 18th 20 at 13:32
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Why letters mail.ru spam?

Could it be that all emails sent from one mailbox mail.ru different users at different times and with different content (not mass mailing) all the recipients were in spam for some reason? All recipients mail was not personal and corporate ends .EN. First letter is not reached and the notification is not delivered the messag...
hazel_Abernathy38 asked April 18th 20 at 13:05
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How to configure content inspection of postfix messages?

As for Postfix, you can check the email content for certain key phrases? If the message does not pass validation, then we will reject with the message is sent to the administrator. Tried it as written in this article, the messages still go https://www.dmosk.ru/miniinstruktions.php?mini=pos...
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MailRU spam mailer?

Due to the fact that teachers are asked to send the completed assignment via email in the class began to have serious problems! Many do not know how to use email, some can create, some have no Internet. Since I have my own system and stack servers TrainzCity many people have asked them to create e-mail. I gave them the acco...
myra.Wuns asked April 18th 20 at 12:42
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How to protect contact form from spam without Captcha Google?

At the moment is the captcha from Google, but even with her unique manage spam through the feedback form. Now decided to completely remove the Google captcha. Rather we need to remove it. What are the options? When looking found honeypot method and hidden fields, but they say that it is not true bypass and bots without a ...
Astrid_Bahringer asked April 16th 20 at 10:48
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How to deal with spam in the Telegram?

Friends! How to deal with spam in the Telegram? Consist of many channels / chat rooms, where sin parse subscribers, and then mailing in the collected database. How to deal with this? Already bombed, I swear!
Omari29 asked April 8th 20 at 18:14
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Reverse DNS is not a valid host name. What is the reason?

Vps Hetzner Centos 7 Mail server to ISPmanager 5 Lite. hostname: correctly Spelled "gud-lid" IP: correctly Spelled "gud-lid" Tech support ISP is difficult to answer. Problem: Reverse DNS is not a valid Hostname Where to look for the cause?
elena_McCullou asked April 8th 20 at 17:16
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How to punish the hosting provider for spam?

(NEW UPDATE) Selectel sent a letter that he will not block a spammer. The day comes to 3-5 letters, even now with some of the Prague host. ) (UPD: the Issue has been resolved, Selectel sent today, the answer is that the spammer zablochen) Good day, What to do with blatant spam? I'm not talking about the usual spam, he's...
Keaton_VonRued asked April 8th 20 at 09:58
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How to block spammers on the site?

How to block users that spam on the site? Ip address?
damien_Terry asked April 8th 20 at 09:40