similar to: postfix and spam, I am impressed

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

Hi, I'm running our local school's mail server on CentOS 7, Postfix and Dovecot. We get quite a lot of spam, so I have the following sender restrictions in my /etc/postfix/main.cf: --8<------------------------------------------------------ # Restrictions SMTP smtpd_helo_restrictions = reject_unknown_helo_hostname smtpd_sender_restrictions = reject_unknown_sender_domain,

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

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

Running CentOS 4.2 with all updates. I've been using sendmail for my MTA since forever. I've grown used to it and I can make it do what I want it to. However (there's always a catch, isn't there)... Lately it seems that some mail is being lost. I've noticed some instances when a message was sent to myself and others which I will only see if someone replies back to

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>,

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

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"] {

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

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: #

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 =

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

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 All, I'm currently playing with smtp_recipient restrictions to try and knock some of this spam on it's head. On my old debian server, I was using this and successfully filtering out at least 90% if not more of all spam emails which was great. I didn't even need spamassassin. However, trying to do the same thing on my new CentOS based server isn't working. With the

Hi, I'm managing several mail servers running CentOS 7, Postfix and Dovecot. SpamAssassin is filtering mail nicely, but I'm considering using RBL (blacklists) to take some load off the servers. General question to those of you who use RBL. Which lists do you recommend using? Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'?glise - 30730 Montpezat Site :

Hi, I come back with my problem: On debian lenny, using dovecot 1.1.13-2~bpo50+1 I try to configure my setup (with Postfix virtual domains) to use dovecot as lda but nothing happens, as if postfix not delegate to dovecot I am using the contreol panel alternc (http://www.alternc.org). All the maildir are in the format /var/alternc/mail/i/info_domainepublic.net for info at domainepublic.net The

Hidy-ho, I'm having a difficult time getting catch-all working when using Dovecot LMTP. I would like *@example.com (everything) to go to virtual at example.com, where virtual is a valid virtual user. It seems that things are getting as far as LMTP, but then the mail gets bounced. To wit: Aug 21 08:02:50 hostname postfix/lmtp[4914]: 8DF8E9AFE6: to=<test at example.com>,

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:

Am 17.06.2019 um 18:09 schrieb Mike Burger: > On 2019-06-17 06:20, Nicolas Kovacs wrote: >> Hi, >> >> I'm managing several mail servers running CentOS 7, Postfix and Dovecot. >> SpamAssassin is filtering mail nicely, but I'm considering using RBL >> (blacklists) to take some load off the servers. >> >> General question to those of you who use

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