Re: [External] SPAM attack from bounce techniques

Rafael Azevedo: > Hi Wietse, > Thanks for the help ! > I've just asked in another message about how to proceed in the "otherwise" > option. > I'm trying to quarantine the message and don't really know how to do it. > Any help would be appreciated. Add a header that says this is spam, then use a ma

Re: SPAM attack from bounce techniques

Rafael Azevedo: > Guys, > According to this referente [1], one of the principal operations is to > discard or quarantine the message. > How should the MAIL FILTER respond to postfix so it could do such actions? EHLO blah 250 ok MAIL FROM: 250 ok RCPT TO: 250 ok DATA 351 blah header body . 250 ok Q

Re: [External] SPAM attack from bounce techniques

Hi Wietse, Thanks for the help ! I've just asked in another message about how to proceed in the "otherwise" option. I'm trying to quarantine the message and don't really know how to do it. Any help would be appreciated. Thanks once again. BR, Rafael Em ter., 29 de dez. de 2020 às 15:16, Wietse Ve

Re: SPAM attack from bounce techniques

Guys, According to this referente [1], one of the principal operations is to discard or quarantine the message. How should the MAIL FILTER respond to postfix so it could do such actions? Huge thanks, BR, Rafael [1] - http://www.postfix.org/FILTER_README.html Em ter., 29 de dez. de 2020 às 09:37

Re: [External] SPAM attack from bounce techniques

Rafael Azevedo: > Hi Kevin, > I think this might be related to a customized content filter after queue > that we have. > How should the content filter answer in case we don't want to accept the > message neither for bounces or to the delivery queue? > Huge thanks! Options: - Run it as a before-qu

Re: [External] SPAM attack from bounce techniques

Hi Kevin, I think this might be related to a customized content filter after queue that we have. How should the content filter answer in case we don't want to accept the message neither for bounces or to the delivery queue? Huge thanks! Em ter., 29 de dez. de 2020 às 11:31, Kevin A. McGrail escre

Re: SPAM attack from bounce techniques

t; Ludi > > > > *Von:* owner-postfix-us...@postfix.org *Im > Auftrag von *Rafael Azevedo > *Gesendet:* Dienstag, 29. Dezember 2020 13:38 > *An:* Postfix users > *Betreff:* SPAM attack from bounce techniques > > > > Hi there, > > > > I've noti

Re: [External] SPAM attack from bounce techniques

On 12/29/2020 7:37 AM, Rafael Azevedo wrote: Hi there, I've noticed that one of our servers is receiving a huge amount of unauthorized requests. User connects to our server and tries to send an email to any destination. Our servers denies the message because user is not authenticated. Then,

AW: SPAM attack from bounce techniques

. Dezember 2020 13:38 An: Postfix users Betreff: SPAM attack from bounce techniques Hi there, I've noticed that one of our servers is receiving a huge amount of unauthorized requests. User connects to our server and tries to send an email to any destination. Our servers denies the me

SPAM attack from bounce techniques

Hi there, I've noticed that one of our servers is receiving a huge amount of unauthorized requests. User connects to our server and tries to send an email to any destination. Our servers denies the message because user is not authenticated. Then, a bounce is generated to the source address, which