0
votes
1answer
26 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 ...
0
votes
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: ...
1
vote
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: ...
1
vote
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 ...
1
vote
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. ...
0
votes
1answer
187 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
votes
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 ...
0
votes
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 ...
1
vote
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; ...
1
vote
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 ...
-1
votes
1answer
781 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 ...
0
votes
1answer
698 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. ...
0
votes
1answer
331 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 ...
1
vote
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 ...
1
vote
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
votes
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 ...
1
vote
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)?
0
votes
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 ...
0
votes
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*** ...
0
votes
1answer
300 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
votes
1answer
567 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 ...
0
votes
1answer
280 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
vote
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 ...
0
votes
1answer
377 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 ...
1
vote
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
votes
0answers
789 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
votes
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 ...
-1
votes
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, ...
1
vote
1answer
2k views

Mailscanner and amavisd-new comparison

I'm going to implement a mailfiltering gateway for my company. I'm going to use Postfix, with a PostgreSQL back-end. The question would be: how to best implement the antispam measures. Mailscanner ...
1
vote
1answer
151 views

Spamassassin does not work with virtual emails

I have a mailserver running with postfix/spamassassin/amavis/dovecot/mysql... under debian squeeze and all seems to work fine, except one thing: Email forwarder (virtual aliases) never gets scanned by ...
1
vote
2answers
271 views

Postfix & amavis on a dedicated server

I have 3 servers: server 1 and 2 are listed as mx servers for different domains and server 3 is for amavis/spamd/clamd filtering for both server 1 & 2. My plan is to have 'first pass' postfix ...
9
votes
3answers
767 views

Postfix sending and receiving the same e-mail every 5 minutes for 4+ months

Back in June I sent myself the EICAR test signature to make sure my postfix/amavis/spamassassin etc setup was working properly. I didn't notice at the time, but this somehow created a tear in the ...
4
votes
2answers
7k views

Optimal parameters set for Postfix “smtpd_recipient_restrictions”

we've inherited the DNS from another ISP and now our mail server is bombed by about 1000 emails per minute, 99.99% of these emails are just spam. We're trying to optimize the filtering/rejecting the ...
2
votes
2answers
2k views

Alternatives to amavis for RAM-bound server

I'm running a small VPS server that works as web and mail server. It has only 256MB of RAM, and it's sucking 100MB of swap constantly. I've found that one of the culprits is amavis, taking about 30MB ...
0
votes
1answer
487 views

Amavis + Postfix configuration problem

Hello we're inherited one server based on Gentoo + Postfix + Amavis-new + Maildrop $ cat /etc/gentoo-release Gentoo Base System release 1.12.9 $ equery list mail-mta/postfix-2.5.5 ...
5
votes
1answer
1k views

Stop Outgoing Spam Already Tagged as Spam

I run a Postfix server with Amavis and Spamassassin among other things. Postfix receives mail from the outside world and passes it on to Amavis. Amavis has Spamassassin rate the mail, and then tags it ...
4
votes
1answer
474 views

Amavis and Postfix VirusMails

I have a postfix server with amavisd and a clamav scanner. I have encountered a situation where clamav has issued false positives and quarantined messages in /var/virusmails/ What is the simplest way ...
1
vote
1answer
1k views

How to tell spam-assassin not to quarantine tagged emails?

I'm running my own postfix mail-server at home with a setup similar to this one. I opted to deliver tagged spam via dovecot to the user's spam-mailbox, so that they can review tagged emails if they ...
1
vote
1answer
480 views

How to monitor ClamAV?

I have a postfix mailserver with amavis as a content_filter setup successfully an now I wonder how I can monitor if clamav is working properly. The clamav logfile is empty and I can not see any trace ...
1
vote
4answers
5k views

Filtering spam to an IMAP folder with postfix, policyd and amavis?

Using amavisd-new, I'm successfully marking multiple headers and accurately reporting most spam. However, right now I'm delivering it to the inbox and I would like to have a Junk folder instead. ...
3
votes
2answers
5k views

amavis + SA not marking messages as spam

I'm running Postfix + amavis + SpamAssassin. Messages are coming through just fine, and they're getting X-Spam-Score as I would expect, along with X-Spam-Status values, implying that SA is doing ...
0
votes
2answers
1k views

How to forward mail classified as spam by spamassassin to dspam?

i'm using postfix, amavis-new, clamav and spamassassin. Now I'm thinking of having dspam together, and training dspam from data collected by spamassassin. Any possible way to forward mail classified ...
0
votes
1answer
1k views

Postfix Mail Filter Stops Delivering Mail

I have an internet facing postfix mail filter (debian lenny) that sits in front of all our other mailservers on our network, and scans our mail using amavisd-new, clamav, spamassassin, and ...
3
votes
2answers
1k views

postfix skip spam checks for authorized SMTP

Is there any way to configure postfix to skip spam/antivirus checks for those smtp connections that are SMTP-AUTH'ed? I would like to keep all the standard checks for external smtp traffic, but for my ...