similar to: Q's about switching from sendmail to postfix

Hello to all members. I am using Dovecot for 5 years, but this is my first post here. I am aware of the various autoresponder scripts for vacation autoreplies (I am using Virtual Vacation 3.1 by Mischa Peters). I have an issue with auto-replies - it is vulnerable to spamming with forged email address. Forging can be prevented with several Postfix settings, which I did in the past - but was forced

hello list hello dovecot network hello all the reader here is a sieve script this ######################################## require ["fileinto","regex","comparator-i;ascii-numeric","reject","relational"]; # rule:[spammanage] if header :value "ge" :comparator "i;ascii-numeric" ["X-Spam-score"] ["500"] {

I have had the same email address since 1997 (when microsoft stole bob.com from me thanks to network solutions...) In the early days I of course was free with my email and used it everwhere. Fast forward to 2012, some 15 years later. woof..the amount of spam sent to me has always just kept getting worse and worse. On my centos 5 server I just used sendmail with spamassassin and it killed a

Hi list, I have noted over the last week or so my DNS servers are dumping lots of messages for bogus domain lookups. Examining the postfix queue with postqueue -p: I see many (Host or domain name not found. Name service error for name=bdgiedjhea.po6e4ina.com type=MX: Host not found, try again) Jake at bdgiedjhea.po6e4ina.com My question - why does this

Hallo Waffenmeister! Ralf Hildebrandt <Ralf.Hildebrandt at charite.de> wrote: > > Apr 7 14:07:52 delta postfix/qmgr[19078]: 1D8921B31260: from=<anmeyer at anup.de>, size=1492149, nrcpt=1 (queue active) > > Apr 7 14:07:53 delta postfix/pipe[19091]: 1D8921B31260: to=<miles at anup.de>, relay=dovecot, delay=2542, delays=2542/0.01/0/0.29, dsn=4.3.0, status=deferred

Hi everybody, I am trying to work with quota. I use postfix and dovecot with a sql backend. Below you'll find my configuration. Everything works except for the quota part. It doesn't seem to see the quota and doesn't respond to the sender that the client is over its quota. versions: postfix-2.5.20070531-mysql dovecot-1.0.2-mysql Thanks for the help in advance. My Settings: #

Hi list, I have been getting the following types of log messages Jan 30 08:22:33 ndgonline postfix/smtpd[30538]: NOQUEUE: reject: RCPT from unknown[71.46.229.50]: 450 4.7.1 Client host rejected: cannot find your hostname, [71.46.229.50]; from=<DWoodman at orangebankfl.com> to=<rkampen at ndgonline.net> proto=ESMTP helo=<mail.floridianbank.com> a rdns check shows all is well

Helo hostname MUST have resolvable hostname. Crazy or not, but i use this. The _access-allow parts for server you really trust. smtpd_client_restrictions = permit_mynetworks, reject_unauth_destination, check_client_access cidr:/etc/postfix/check_client_access-allow.cidr, reject_unknown_hostname, reject_non_fqdn_hostname, reject_invalid_hostname,

Hi all, Just out of curiosity: is there anything we can do, on the samba side, to counter the recent ransomware attacks? (or limit the damage done) I'm thinking like: limit the number of files per second a client (workstation) is allowed to edit, or some other smart tricks..? It would be nice if samba could be an extra layer of defense. Something perhaps a vfs module could help with..?

hello all reader hello list hello centos network since I've installed dovecot deliver. e-mails no longer pass through amavisd. amavisd no longer work. c is to say I have no anti-spam and anti virus my postconf and dovecot -n [root at r13151 ~]# postconf -n alias_database = hash:/etc/aliases , hash:/etc/postfix/aliases alias_maps = hash:/etc/aliases , hash:/etc/postfix/aliases body_checks =

I am I a situation where I have to wipe my remote server and reinstall, Its been a while since I built a server and I am not as sharp as I use to be I am running FreeBSD 12.1. well at least the server is... I am getting constant authentication errors like Dec 28 22:10:18 triggerfish dovecot[21809]: imap-login: Aborted login (auth failed, 1 attempts in 6 secs): user=<jason at example.com>,

hello all reader hello list hello dovecot network since I've installed dovecot deliver. e-mails no longer pass through amavisd. amavisd no longer work. c is to say I have no anti-spam and anti virus my postconf and dovecot -n [root at r13151 ~]# postconf -n alias_database = hash:/etc/aliases , hash:/etc/postfix/aliases alias_maps = hash:/etc/aliases , hash:/etc/postfix/aliases body_checks

Hi Buddies, I have 2 servers running dovecot + postfix for pop/imap users. The users mailbox are in a Nfs storage. The load of server is ranging at 3.0 to 15.0. I really dont know what happened.. I read a lot about tuning of dovecot, and the changes are applied, how you can see. The Hardware of server is really good! The host have 8GB of mem and 2 sockets with 2 cores anyone. The server receives

Hi, I'm currently fine-tuning my mail server (Postfix and Dovecot on CentOS 7). SPF, DKIM and DMARC work fine, now I'd like to limit the spam tsunami. Besides the official Postfix documentation, I've read a few articles about Postfix spam restrictions, namely these : https://www.linuxbabe.com/mail-server/block-email-spam-postfix https://wiki.centos.org/HowTos/postfix_restrictions

Hello people, I am using now qmail in cluster with LDAP + Interscan Messaging Security Suite from Trendmicro. I need to develop a new solution with: - postfix - dovecot - anti-spam - anti-malware. I am thankful any help or suggestion for anti-spam and anti-malware. Thanks in advance! -- :) cumprimentos ---------------------- Jos? Lu?s Faria Network Eng./Administrador de

Had anybody been successful in getting Pyzor to run on CentOS 6 64bit? I have it running fine on CentOS 6 32 bit, and I 'think' I did identical installs. But, from the command line I keep getting Oct 6 13:36:00.659 [16065] dbg: pyzor: network tests on, attempting Pyzor Oct 6 13:36:06.205 [16065] dbg: pyzor: pyzor is available: /usr/bin/pyzor Oct 6 13:36:06.206 [16065] dbg: pyzor:

I'm getting closer, now with SMTP permitted to whole of Internet to connect to my SMTP/postfix server & for my postfix server to connect out to public Internet on tcp 25 as well. I send emails from permitted domain's SMTP servers with "Receipt Acknowledgemt" & the ack returned said it was delivered but somehow there's no mail in the mailbox & using the site below

I wonder if there is an easy way to provide dovecot a flat text file of ipv4 #'s which should be ignored or dropped? I have accumulated 45,000+ IPs which routinely try dictionary and 12345678 password attempts. The file is too big to create firewall drops, and I don't want to compile with wrappers *if* dovecot has an easy ability to do this. If dovecot could parse a flat text file of

I've just set up a new mailserver using Centos5.2 (sendmail+clamav-milter+spamass-milter). I'm using the spamass-milter package from rpmforge (spamass-milter-0.3.1-1.el5.rf). I notice that the default setup is to run it as root. I set up my previous mailserver on Centos4, and I can't remember if I did anything special, but on that machine it runs as user "sa-milt". Is

I got some weird mail back, claiming that my e-mail was blocked, w/o indicating what server was blocked, after the mail appeared in the mailing list. Is this some BS shakedown? I use postfix on a DSL line forwarding to earthlink, this is hardly something that should be rare in the BSD world... the mail appeared to come from a web mail server and the first link has the following lovely text: