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Boa tarde pessoal!
Estou precisando de uma ajuda. Meu servidor, um CentOS, com sendmail e mailscanner, esta duplicando os emails, tanto enviados como recebidos.
O interessante e que verificando o cabeçalho das mensagens multiplicadas, notei que algumas tinham a verificação do mailscanner, e outras não.
Parando o mailscanner, o problema deixa de ocorrer. Alguem tem ideia do que possa estar acontecendo?
Att
Darlan
[email protected]
Ninguem?
Encontrei referências sobre o assunto na internet, em um toturial sobre o MailScanner.conf
If any of these headers are included in a a message, they will be deleted. This
is very useful for removing return-receipt requests and any headers which mean
special things to your email client application. X-Mozilla-Status is bad as it
allows spammers to make a message appear to have already been read, which is
believed to bypass some naive spam filtering systems. Receipt requests are bad
as they give any attacker confirmation that an account is active and being read.
You don't want this sort of information to leak outside your corporation. So you
might want to remove Disposition-Notification-To and Return-Receipt-To. If you
are having problems with duplicate message-id headers when you release spam from
the quarantine and send it to an Exchange server, then add Message-Id. Each
header should end in a ":", but MailScanner will add it if you forget. Headers
should be separated by commas or spaces. This can also be the filename of a
ruleset.
Default:
Remove These Headers = X-Mozilla-Status: X-Mozilla-Status2:
Pergunto, como configuro isso?