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Postings by Emanuel

header_checks UTF8 discard

Hello,

i create this rule to block phishing intent

/^Subject: =?UTF-8?B?U3UgY3VlbnRhIHNlIGVuY3VlbnRyYSBlbiByZXZpc2nDs24u?=/
DISCARD

but not work

any ideas?

Regards,

default_destination_recipient_limit

Hello,

I currently allow to send 100 recipients per email but I would like to
create an exception so that an IP can send to 1000 recipients, is it
possible?

how???

Regards.!!

Deny rcpt alert notification

Hello.!

I have an idea to avoid sending spam from my server, Is it possible to
create a blocking rule so that when it is sent to a recipient, the mail
is discarded and an alert arrives via email?

My question is because I have represented cases where the computer is
infected with virus to my client and send spam from the email account.

Regards.!!

Server with postfix, exim, clamav, spamassin....amavis is recommended??

Hello,

i use this scenario

exim ==> relay to ==> postfix

clamav ==> antivirus

spamassasin ==> antispam

I recommended use amavis??

Does it bring benefits?

Regards,

Emanuel.

Postfix, clamav and Spamassasin - delete high scoring spam

Hello,

I use Postfix, clamav and spamassain to figth the spam in my server.

I my custom_rules from spamassasin i add the following rule to give 100
points to emails that contain infected attachments.

priority CLAMAV -900
shortcircuit CLAMAV spam
score CLAMAV 200

my question is, can be removed automatically through postfix?

Regards,

Emanuel.

Block IP rcpt-to or block MX

Hello,

Is it possible to create a list where the IP of certain recipients can
be blocked?

Here and example:

Oct 19 10:15:09 smtp01 postfix/smtpd[11048]: 5C28C20018459:
client=myserver[172.17.111.242]
Oct 19 10:15:09 smtp01 postfix/cleanup[6836]: 5C28C20018459:
message-id=< ... at domain dot com>
Oct 19 10:15:09 smtp01 postfix/qmgr[3054]: 5C28C20018459:
from=< ... at domain dot com>, size=16981, nrcpt=1 (queue active)
Oct 19 10:15:25 smtp01 smht-101-41/smtp[7698]: 5C28C20018459:
to=< ... at hotmial dot com>, relay=mail.h-email.net[198.133.159.122]:25,
delay=16, delays=0.15/0/9.2/6.3, dsn=2.0.0, st