Amavis is an open source content filter for electronic mail, implementing mail message transfer, decoding, some processing and checking, and interfacing with external content filters to provide protection against spam, viruses and other malware. It can be considered an interface between a mailer ...

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28 views

How to modify admin_maps_by_ccat amavisd settings for Zimbra OSE 8.5?

I'm trying to apply this answer to my zimbra installation as I'm getting a postmaster email every time I send an encrypted email. I tried adding $admin_maps_by_ccat{+CC_UNCHECKED} = undef; to ...
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1answer
29 views

run_av (ClamAV-clamd) and ClamAV-clamd av-scanner FAILED - unexpected

I get a strange error when scanning email. Sep 17 15:13:26 mail amavis[616]: (00616-02) (!)run_av (ClamAV-clamd) FAILED - unexpected , ...
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0answers
65 views

Enabling Bayesian filter with amavisd-new + Spamassassin

I run a Postfix mailserver on CentOS, and am trying to enable Spamassassin's bayes filter, but I seem to be missing something. We're running amavisd-new 2.9.1: Name : amavisd-new Arch ...
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1answer
134 views

Postfix, Amavis & outgoing mails: How to notify the sender

I had problems with outgoing spam emails from compromised email accounts sending spam mails from my server and landing on blacklists. So I followed the guidelines for setting up postfix with amavis: ...
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47 views

Collecting amavis stats with SNMP

I'm trying to get values from amavis in a CentOS 6.5 server. This values, such as spam mail (total, total/h, percent), are supposed to be accesible via SNMP. But, when I run snmpwal, I always get 0 ...
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1answer
82 views

Spam - individual user

I have a bit of an issue with a users inbox in that a lot of spam is getting through for him alone. We use Amavis/Postfix and SA in our mail setup. Config setup like this: Config: ...
2
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2answers
66 views

How does amavis talk to spamassassin?

I'm going through all the amavisd-new config files, and I can't find anything that tells amavis to talk to spamassassin/spamd to get a spam score. The reason I ask is because I'd like to swap out ...
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3answers
113 views

Suggested mechanisms for user-driven spam training?

I'm looking at having a way for my mail users to completely manage their own spam training. Before I get into it, my mail server details: Debian 7.5, postfix 2.9.6, dovecot 2.1.7, amavisd-new 2.7.1, ...
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1answer
250 views

How to test email spam scores with amavis?

I'd like a way to test a spam message to see its spam scores that SpamAssassin gives it. The SA db files (bayes_toks, etc) reside in /var/lib/amavis/.spamassassin. I've been testing emails by doing ...
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1answer
142 views

Amavis / spamassassin setup, how to disable quarantine and get default spamassassin behavior back?

I've set up my first mail server that uses amavis. First off, I don't really see the point in amavis if I don't care about viruses. I don't use clamav as it's a huge RAM hog. SpamAssassin has worked ...
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2answers
153 views

Spammer spoofed localhost? Or server fail? How do I secure against this?

I noticed a spammer got through postgrey AND SpamAssassin, which was very strange. I examined /var/log/mail.log and saw some suspect lines: Log below, or on Pastebin: http://pastebin.com/k7sKnvGE ...
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1answer
44 views

Error in amavisd.conf -missing curly or bracket

I'm currently trying to setup Spam and Virus Filtering on my CentOS 6.4 machine using SpamAssassin and ClamAV. I've installed all necessary packages (SA, ClamAV and Amavisd-new) and configurated them. ...
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1answer
190 views

Disable ClamAV for Amavis

I have a Postfix mail server, using Amavis and Spamassassin to check for unwanted e-mails. I have removed ClamAV because it'd basically freeze the whole server every time someone received an e-mail, ...
0
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1answer
57 views

Amavis sending Paypal payment emails to postmaster. Are they classified as spam/virus?

Some days ago i was reading some docs about amavis and decided to fine tune its configuration. As i'm new to amavis i probably setted some statements in the wrong way so last days i've been recieving ...
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1answer
71 views

Alert Postfix sender when outbound email is not delivered due to amavisd-new checks

I'm running Postfix 2.11 together with amavisd-new which works fine with spamassassin and clamav to prevent inbound/outbound spam and virus traffic. Right now i'm looking for a way to alert users ...
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1answer
78 views

Where do I add DKIM details to amavisd.conf on Ubuntu?

I'm trying to add a DKIM key to an additional domain on my Ubuntu mail server, I am trying to add the following block of code to the amavisd.conf file $enable_dkim_verification = 1; ...
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0answers
49 views

Amavis missing headers

I have setup Amavis, SpamAssassin, and Postfix on a Debian Wheezy box for use as a mail filter gateway. I am in the process of testing it, and have pointed the MX record for a domain old domain we do ...
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0answers
94 views

Prevent spam being forwarded by Postfix (while locally delivered to a Junk folder)

We have a pretty standard Postfix/Amavis setup where we use the Dovecot LDA to deliver mail locally. Amavis passed spam mail and we use Sieve to drop it in the Junk folder of the user. The problem is ...
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1answer
216 views

Monit and amavis

I have noticed that occasionally amavis is not running. I thought monit was watching the process, however it doesn't seem to warn me or fix it. My monitrc entry looks like this and I can confirm ...
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1answer
790 views

Howto enable SMPTS (465) postfix CentOS

I need help is enabling SMTPS. I use postfix , dovecot with MySQL(virtual domains). I do not know how to enable SMTPS(465). I already added tls related settings and key and certificate in the ...
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1answer
699 views

CLAMAV on Centos Mail Server: Can't connect to UNIX socket clamd.sock

In my Centos 6.4 server, I am using Postfix and Dovecot with Amavis/ClamAV filter. Lately I have been trying to solve my spam problem(only occurs in Gmail and Hotmail) so I've been tailing logs. ...
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1answer
333 views

Ubuntu server not using localhost IP for internal communication

I am using Ubuntu Server 13.04 on my mail system. I am just setting the Postfix and Amavis. In every config for communication I am using 127.0.0.1 as IP address to pass mails to amavis. When I look to ...
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0answers
175 views

Postfix + Amavisd-new as smtp-proxy (pre-queue) for inbound only, postqueue for outbound?

I am in the planning phase of building a mailserver with the following requirements relevant to my question: Use postfix, virtual users (two virtual domains) Must filter pre-queue to reject ...
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1answer
876 views

Turn of amavisd notifications about UNCHECKED content to postmaster

How do I turn off "UNCHECKED contents in mail FROM" mails send by amavis to the postmaster of the domain every time a user sends an encrypted mail. The setup is a Debian 7 with postfix and amavisd.
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2answers
356 views

postfix: blocking a certain sender for a certain receiver

I have a postfix installation with amavis and postfwd. I'd like to block a single sender only for a single receiver. I tried with header_checks but multiline checking I was thinking something like ...
5
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1answer
242 views

Spamassassin: store bayes per user in mysql (with amavis)

I use postfix (mysql virtual users) + amavis + spamassassin and configured spamassassin to use mysql for storing the bayes data: use_bayes 1 bayes_auto_learn 1 ...
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2answers
87 views

email server: refuse old emails and emails in the future

I use postfix, dovecot 2.1 and amavis for my emails. How can I refuse emails (from other email servers) that date are to old (e.g. >=1 month) or to new (eg. >=1d in the future)?
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1answer
1k views

centos 6.4 amavis-new, clamav not function

i install on centos 6.4 amavis-new and clamav /etc/clamd.d/amavisd # cat amavisd.conf # Use system logger. LogSyslog yes # Specify the type of syslog messages - please refer to 'man syslog' # for ...
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1answer
64 views

Spamassassin: Where quarantined files goes?

I searched a little bit and don't found anything related :( I need to know where spamassassing send the quarantined files since I need check some data on them. Any help appreciated. OS: Ubuntu ...
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1answer
238 views

Postfix drops all spam, but shouldn't do this

i'm using a mailserver setup with postfix, amavis and spamassassin. Some parts of my current configuration (Ubuntu 12.04.2): /etc/amavis/conf.d/20-debian_defaults $sa_spam_subject_tag = '***SPAM*** ...
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1answer
301 views

Postfix : intercept outgoing email by sender with amavis or custom filter?

we have some outgoing mail server with latest postfix and amavis. I would need to intercept some outgoing email for some given senders and forward them to a "logging" account + the regular receivers. ...
0
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1answer
405 views

amavis doesn't quarantine all spam mails

I'm trying to create a special mail account to collect all incoming spam with the purpose to later on be able to train the SA more easily for the whole domain. We're using Zimbra, but as far as I ...
0
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2answers
2k views

AMaViS: missing X-Spam-Status header

I set up a mail server with Dovecot, Postfix and AMaViS on Debian Squeeze following the tutorial on workaround.org (ISPmail tutorial for Debian Squeeze). It uses virtual domains and stores the ...
1
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1answer
298 views

Amazon SES and Amavis

I've been following how to set up a mail server - by Flurdy in order to set up a more secure mail server on my Amazon EC2 Ubuntu 12.04 instance. I've followed the article to the letter, but I can't ...
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2answers
307 views

Which configuration is loaded after sa-update?

I use amavisd-new 2.6.5 and SpamAssassin 3.2.2 (on ubuntu 12.04). I just ran for the first time the sa-update command. I see that there is new files in ...
0
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1answer
568 views

How do I tell Postfix to relax smtpd_sender_restrictions?

If I connect to Postfix on my server with a mail client on port 143 with SSL then mail sent via this connection from a virtual domain passes the smtpd_sender_restrictions and thus enables the filter ...
2
votes
1answer
440 views

Is there a reason why DKIM signs every mail twice [closed]

I've configured my postfix/amavisd-new/spam-assassin setup after this tutorial https://help.ubuntu.com/community/Postfix/DKIM. But now the problem is that all mails I send are double signed with two ...
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0answers
56 views

Dedicated TMP and AMAVIS

I perfectly configured my server and now I made 2 stupid mistakes, I updated perl along with it's dependencies and I made a dedicated TMP dir and included it in fstab to prevent code execution with a ...
0
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1answer
282 views

SA with or without amavis-new - whats faster?

Currently i have working setup of postfix with virtual users which uses amavis (with SA and clamav) to filter messages. The problem is, i need to allow every user to be able to adjust their SA ...
1
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1answer
211 views

How to disable local user lookup in amavis-new?

I have amavis-new installed with iRedMail package. Everything works OK for mails sent directly to existing user accounts. But I would like to use catch-all for domains and aliases. The problem is ...
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1answer
262 views

amavisd + postfix + dovecot blocks gif images

I occasionally have a client who tries to email me and says his email gets blocked by my server. When I check the logs, I see this: Sep 6 18:12:52 myers amavis[15197]: (15197-08) p.path BANNED:1 ...
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0answers
393 views

Perl / BerkelyDB @INC problems trying to install Amavisd-new (CentOS)

I'm trying to follow this guide here to install Amavis, SpamAssassin + ClamAV... http://wiki.centos.org/HowTos/Amavisd Things mostly went well but Amavisd would not start... # service amavisd start ...
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1answer
611 views

Amavisd-new cannot start - missing Unix::Syslog (CentOS)

I followed the basic instructions here for installing amavisd, spamassassin + clamav... http://wiki.centos.org/HowTos/Amavisd I get the following error when trying to start amavisd... # service ...
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1answer
379 views

Amavis and Spamassassin wont pass spam as spam with second domain

I'm currently setting up amavis and spamassassin with postfix. So far Spamasassin blocks and bounces Spam. if i set $final_spam_destiny to D_PASS the mail gets through, but the $sa_spam_subject_tag ...
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votes
1answer
106 views

How to detect mail server dangerous load level?

I have a 512 MB VPS running on Debian Squeeze 64bit serving a complete email system (postfix, courier, amavis, clamav, spamassassin, roundcube). All the RAM is always used: max free memory is 10MB, ...
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1answer
2k views

Amavis / Atermime - Dynamic Email Signatures (Disclaimers)

I am running a basic iredmail install with amavis, postfix, dovecot. I want to use the declaimer feature to automatically append a disclaimer (in our case a signature). The reasoning for this is that ...
2
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0answers
790 views

Rewriting sender address based on the recipient

I'm trying to set up my postfix server to alter the sender address of outgoing e-mails for one specific recipient domain (example.com) -- otherwise I'd just configure smtp_generic_maps in main.cf and ...
0
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1answer
1k views

DKIM on postfix relay server

I have a postfix/amavis relay server, with the domain name mail.example.com. It will be a relay for dozens of VPS's, which will have domains like hostname.example.net. So i have actually two ...
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1answer
140 views

Modern MLM Software with Brains?

So, right now we have a Postfix + Dovecot + Amavis server for our mail. We do "group lists" as a gaint Alias. The complaint has come up, that when someone sends an email to everyone@thecompany.com, ...
10
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1answer
1k views

How to configure amavisd-new for only scanning on particular senders/servers?

I'd like to know how to configure amavisd-new to only scan for Spam on particular clients (IPs, CIDRs or hostnames) or alternatively sender's email domain. I know that it is possible to do it on a ...