OT Configuration Questions/Help {LDAP}

2009-07-30 Thread Clunk Werclick
On Thu, 2009-07-30 at 22:45 -0500, Noel Jones wrote: > Jeff Grossman wrote: > > > have seen articles about exporting the Exchange users via LDAP and putting > > them in an access map file on the Postfix server, but I am not a big fan of > > that. I would prefer to just query the Exchange server

Re: what is ESMTP (Nemesis)

2009-07-30 Thread Patrick Ben Koetter
* AMP Admin : > Can anyone tell me what ESMTP (Nemesis). Sorry if this isn't postfix related. Nemesis is the product name of a SMTP server built by a German provider. They ran their own system because they couldn't find something that would suit their needs. p...@rick -- All technical answers

RE: lmtp delivery rewriting issue.

2009-07-30 Thread Gary Smith
ARG... Well, tried to test with account webmas...@domain2.tld. I also tried using my name, g...@domain2.tld, which maps back to webmas...@domain2.tld. So, blowing away the alias webmaster from /etc/aliases, it suddenly works. > -Original Message- > From: owner-postfix-us...@postfix.

Re: Configuration Questions/Help

2009-07-30 Thread Noel Jones
Jeff Grossman wrote: I am currently running a Gentoo machine with Sendmail/MIMEDefang/Spamassassin/Clamav which acts as a front-end mail server to a couple of different mail servers. The main back-end mail server is an Exchange 2003 server and the other is currently a Mac OSX machine running Mail

Re: Directory Harvest

2009-07-30 Thread Noel Jones
Roman Gelfand wrote: This is excellent. If you have other non-content spam filtering suggestion, I would greatly appreciate it. You post in HTML, and you top-post. Please observe list etiquette if you want further answers. As someone else already pointed out, the client also used a unqual

Re: relay_domains help please

2009-07-30 Thread John King
Thanks for your comments and advice Brian, Very much appreciated. - Original Message From: Brian Evans - Postfix List To: Postfix users Sent: Thursday, July 30, 2009 3:14:52 PM Subject: Re: relay_domains help please John King wrote: > All, > > I am simply trying to setup a postfix

Re: Directory Harvest

2009-07-30 Thread Roman Gelfand
This is excellent. If you have other non-content spam filtering suggestion, I would greatly appreciate it. On Wed, Jul 29, 2009 at 9:23 PM, Noel Jones wrote: > Roman Gelfand wrote: > >> It looks like somebody is trying to figure out my internal users as >> evidenced by log excerpts below. Is t

RE: what is ESMTP (Nemesis)

2009-07-30 Thread AMP Admin
Sorry. Didn't think about this going to a thread and just hit reply and changed the title. haha I meant more what is the Nemesis part. What kind of mail server is that? Thanks for your reply. :) -Original Message- From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@post

lmtp delivery rewriting issue.

2009-07-30 Thread Gary Smith
Stuff is AFU after server migration. Email can be delivered to accounts that existing on domain1.com prior to the migration. I created a new domain, domain2, and issued the standard cm user/g...@domain2.com. I verified that the domain exist in both the mydestinations and virtual_users sql d

Re: filter incoming but not outgoing

2009-07-30 Thread Olivier Nicole
Hi, > 1. Sign outgoing messages with dkim and vbr (currently doing this with > amavis) > > 2. Only allow sending from our networks > > 3. Do NOT filter, virus scan or spam scam outgoing messages > > 4. DO scan and filter incoming messages > > 5. Optimize / Tweak s

Re: what is ESMTP (Nemesis)

2009-07-30 Thread Sahil Tandon
On Thu, 30 Jul 2009, AMP Admin wrote: > Can anyone tell me what ESMTP (Nemesis). Sorry if this isn't postfix related. STOP HIJACKING THREADS. Extended SMTP (ESMTP), sometimes referred to as Enhanced SMTP, is a definition of protocol extensions to the Simple Mail Transfer Protocol standard. G

what is ESMTP (Nemesis)

2009-07-30 Thread AMP Admin
Can anyone tell me what ESMTP (Nemesis). Sorry if this isn't postfix related.

Preventing www@ abuse

2009-07-30 Thread The Doctor
Get a turkey that seems to be doing a 302 redicrecting and using www@ to 'frame' the point. Any way of locking down the use of the www to just webforms on the local web server? -- Member - Liberal International This is doc...@nl2k.ab.ca Ici doc...@nl2k.ab.ca God, Queen and country! Beware Anti

Configuration Questions/Help

2009-07-30 Thread Jeff Grossman
I am currently running a Gentoo machine with Sendmail/MIMEDefang/Spamassassin/Clamav which acts as a front-end mail server to a couple of different mail servers. The main back-end mail server is an Exchange 2003 server and the other is currently a Mac OSX machine running Mailman. I am using a maile

server configuration

2009-07-30 Thread Dave
Hello, I've just set up a new postfix 2.x server on CentOS 5. As some directives have changed and it's been a while since i've done this i'd appreciate anyone looking over this configuration and commenting on what is good, needs changing, etc. The server is suppose to support only v

Re: [SOLVED] RE: How te prevent 'double archiving'?

2009-07-30 Thread mouss
Tino Donderwinkel a écrit : > Thanks for pointing me in the right direction! Great. > > I changed this; > > smtp inet n - n - - smtpd > -o cleanup_service_name=pre-cleanup > -o receive_override_options=no_address_mappings > > That appears to do

Re: What causes the "message file too big" error?

2009-07-30 Thread Joe
Seth Mattinen wrote: > LuKreme wrote: > >> On Jul 30, 2009, at 12:42 PM, Seth Mattinen wrote: >> >>> The exact byte count of the message+headers is 100793284 >>> >> Seriously? 96MB emails? I hope that's internal only. >> >> > > Nope, not internal. Why does that matter? > Pr

Re: What causes the "message file too big" error?

2009-07-30 Thread Sahil Tandon
On Jul 30, 2009, at 5:27 PM, Seth Mattinen wrote: LuKreme wrote: On Jul 30, 2009, at 12:42 PM, Seth Mattinen wrote: The exact byte count of the message+headers is 100793284 Seriously? 96MB emails? I hope that's internal only. Nope, not internal. Why does that matter? It doesn't matter

Re: What causes the "message file too big" error?

2009-07-30 Thread Seth Mattinen
LuKreme wrote: > On Jul 30, 2009, at 12:42 PM, Seth Mattinen wrote: >> The exact byte count of the message+headers is 100793284 > > Seriously? 96MB emails? I hope that's internal only. > Nope, not internal. Why does that matter? I only noticed this one because the idiot mail server (or user) o

Re: What causes the "message file too big" error?

2009-07-30 Thread LuKreme
On Jul 30, 2009, at 12:42 PM, Seth Mattinen wrote: The exact byte count of the message+headers is 100793284 Seriously? 96MB emails? I hope that's internal only. -- Procrastination is the art of keeping up with yesterday.

Re: not receiving forwarded mail from postfix, all logs seem fine

2009-07-30 Thread Wietse Venema
dvodvo: > Jul 30 00:59:44 mydomain postfix/smtp[13941]: 7D04B96117E4: > to=, orig_to=, > relay=gmail-smtp-in.l.google.com[209.85.133.27]:25, delay=1.6, > delays=0/0.01/0.13/1.4, dsn=2.0.0, status=sent (250 2.0.0 OK 1248933584 > d35si1808699and.15) The "250 2.0.0 OK 1248933584 d35si1808699and.15" i

Re: not receiving forwarded mail from postfix, all logs seem fine

2009-07-30 Thread dvodvo
Terry Carmen wrote: > > > . . . > > My best guess is that Google doesn't like your IP address. > > Have you checked your spam folder? > > > Yes I checked spam folder, and tried having emails forwarded to a few other non-gmail addresses of mine as well and the problem is the same. So it'

Re: not receiving forwarded mail from postfix, all logs seem fine

2009-07-30 Thread Terry Carmen
> > Hi all, > > My setup is simply this: > - Email sent to my domain is received by postfix on my Debian box > - All email at this domain is delivered locally to me (user dan) > - Using a simple .forward file, this email gets forwarded to my gmail > account > > Maybe not the most graceful approach

not receiving forwarded mail from postfix, all logs seem fine

2009-07-30 Thread dvodvo
Hi all, My setup is simply this: - Email sent to my domain is received by postfix on my Debian box - All email at this domain is delivered locally to me (user dan) - Using a simple .forward file, this email gets forwarded to my gmail account Maybe not the most graceful approach, but it's simple.

Re: relay_domains help please

2009-07-30 Thread /dev/rob0
On Thursday 30 July 2009 14:57:16 John King wrote: > I am simply trying to setup a postfix server solution (Fedora 9 is > the OS) to where I can host email for multiple email domains - > similar to an ISP setup. > > I am quite familiar and comfortable with setting up most of the > postfix elements

Re: filter incoming but not outgoing

2009-07-30 Thread Willy De la Court
On Thursday 30 July 2009, AMP Admin wrote: > Hi Willy, > > Thank you for your reply. I used the iRedMail script to set this box up. > I probably shouldn't have done that since I know there's no easy way to > accomplish these sorts of things. > > The log file is over 170 so I'm having trouble gett

Re: relay_domains help please

2009-07-30 Thread Brian Evans - Postfix List
John King wrote: > All, > > I am simply trying to setup a postfix server solution (Fedora 9 is the OS) to > where I can host email for multiple email domains - similar to an ISP setup. > > I am quite familiar and comfortable with setting up most of the postfix > elements and am setting them up us

RE: filter incoming but not outgoing

2009-07-30 Thread AMP Admin
I'm not sure how to do that. I'm new to postfix. Since I used iRedMail scrip to set this up I'm having to reconfigure everything as I go. It worked fine on our other mail servers but this one just has too much. I think I'm going to start over and research how to build a minimal, fast, small foo

relay_domains help please

2009-07-30 Thread John King
All, I am simply trying to setup a postfix server solution (Fedora 9 is the OS) to where I can host email for multiple email domains - similar to an ISP setup. I am quite familiar and comfortable with setting up most of the postfix elements and am setting them up using the virtual mailbox meth

Re: What causes the "message file too big" error?

2009-07-30 Thread Seth Mattinen
Wietse Venema wrote: > Wietse Venema: >> Seth Mattinen: >>> I'm seeing "Error: message file too big" but I'm not sure what's causing >>> it. The exact byte count of the message+headers is 100793284, but I have >>> message_size_limit set to 104857600. Is there something else going into >>> the size

Re: What causes the "message file too big" error?

2009-07-30 Thread Wietse Venema
Wietse Venema: > Seth Mattinen: > > I'm seeing "Error: message file too big" but I'm not sure what's causing > > it. The exact byte count of the message+headers is 100793284, but I have > > message_size_limit set to 104857600. Is there something else going into > > the size calculation that I'm mis

[SOLVED] RE: How te prevent 'double archiving'?

2009-07-30 Thread Tino Donderwinkel
Thanks for pointing me in the right direction! Great. I changed this; smtp inet n - n - - smtpd -o cleanup_service_name=pre-cleanup -o receive_override_options=no_address_mappings That appears to do the trick! Now I have to check if I haven't

Re: filter incoming but not outgoing

2009-07-30 Thread mouss
AMP Admin a écrit : > Hi, > > > > Right now we filter all messages using amavisd but on a box that’s > sending up to 6000 messages per hour it’s failing after a few thousand > messages and we think it might be because of amavis filtering. Not > sure how to do this but we would like to accompl

Re: What causes the "message file too big" error?

2009-07-30 Thread Wietse Venema
Seth Mattinen: > I'm seeing "Error: message file too big" but I'm not sure what's causing > it. The exact byte count of the message+headers is 100793284, but I have > message_size_limit set to 104857600. Is there something else going into > the size calculation that I'm missing? Yes, the message E

Re: RFC postfix configuration

2009-07-30 Thread Willy De la Court
On Thu, 30 Jul 2009 14:37:19 -0400, Brian Evans - Postfix List wrote: > Willy De la Court wrote: >> On Wed, 29 Jul 2009 13:39:06 -0400, Brian Evans - Postfix List >> wrote: >> local_recipient_maps = $virtual_mailbox_maps local_transport = virtual >>> This is not r

Re: Using multiple instance, does it make sense?

2009-07-30 Thread Christian Wittwer
2009/7/30 Barney Desmond : > I have two immediate thoughts here; short one first: > How do you propose to move non-deliverable mail from the first > instance to the second one? I think it should work with the parameter fallback_relay? An other possiblity would be, to map directly volatile domains

What causes the "message file too big" error?

2009-07-30 Thread Seth Mattinen
I'm seeing "Error: message file too big" but I'm not sure what's causing it. The exact byte count of the message+headers is 100793284, but I have message_size_limit set to 104857600. Is there something else going into the size calculation that I'm missing? ~Seth

Re: RFC postfix configuration

2009-07-30 Thread Brian Evans - Postfix List
Willy De la Court wrote: > On Wed, 29 Jul 2009 13:39:06 -0400, Brian Evans - Postfix List > wrote: > >>> local_recipient_maps = $virtual_mailbox_maps >>> local_transport = virtual >>> >>> >> This is not recommended because it doesn't follow the Address Class >> definitions. >> http://

Re: filter incoming but not outgoing

2009-07-30 Thread Willy De la Court
On Thu, 30 Jul 2009 12:42:06 -0500, "AMP Admin" wrote: > Right now we filter all messages using amavisd but on a box that's sending > up to 6000 messages per hour it's failing after a few thousand messages and > we think it might be because of amavis filtering. Not sure how to do this > but we w

filter incoming but not outgoing

2009-07-30 Thread AMP Admin
Hi, Right now we filter all messages using amavisd but on a box that's sending up to 6000 messages per hour it's failing after a few thousand messages and we think it might be because of amavis filtering. Not sure how to do this but we would like to accomplish the following and your assistanc

Re: RFC postfix configuration

2009-07-30 Thread Willy De la Court
On Wed, 29 Jul 2009 13:39:06 -0400, Brian Evans - Postfix List wrote: > Willy De la Court wrote: >> Hi all, >> >> I'm new to postfix coming from another MTA. I just want some feedback on >> the configuration I use at the moment and get some reponse for improving >> that configuration. >> >> Setup

Re: How te prevent 'double archiving'?

2009-07-30 Thread Magnus Bäck
On Thursday, July 30, 2009 at 18:46 CEST, Tino Donderwinkel wrote: > I'm using the recipient_bcc_maps setting in main.cf to 'archive' all > e-mail to a separate mailbox: > > main.cf: > recipient_bcc_maps = pcre:/etc/postfix/archive.pcre > > archive.pcre: > if !/@archive\.bcc$/ > /^(.*)/

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Magnus Bäck
On Thursday, July 30, 2009 at 17:32 CEST, Maróy �kos wrote: > > IMO, you should follow Magnus' post and use relay_domains and > > relay_recipient_maps if you are moving complete virtual mailbox > > domains at one time. > > I see. but can you be more specific, maybe with an example on what

Re: Catchall account and lots of spam in a short period

2009-07-30 Thread /dev/rob0
On Thursday 30 July 2009 07:48:25 Charles Marcus wrote: > On 7/30/2009 8:26 AM, Martijn de Munnik wrote: > > I assume it is better to put the reject_unknown_recipient_domain and > > reject_unverified_recipient controls after the rbls en policy services. > > This way only address verification is nee

How te prevent 'double archiving'?

2009-07-30 Thread Tino Donderwinkel
Hi all, I'm using the recipient_bcc_maps setting in main.cf to 'archive' all e-mail to a separate mailbox: main.cf: recipient_bcc_maps = pcre:/etc/postfix/archive.pcre archive.pcre: if !/@archive\.bcc$/ /^(.*)/ $...@archive.bcc endif Our postfix installation uses the 'virtual' transport for a

Re: Blocking Hotmail

2009-07-30 Thread /dev/rob0
On Thursday 30 July 2009 09:31:13 Rodman Frowert wrote: > I am getting quite a bit of SPAM coming from Hotmail. Instead of using > verify to check and see if they are legit senders, I think I would rather > just block them and be done with it. Maybe after a few months of my server > not respondin

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Brian Evans - Postfix List
Maróy Ákos wrote: > Brian, > >> This is very wrong.. see my previous posts. > > now I've set: > > relay_domains = $mydestination, example.com > relay_transport = smtp:[newserver.foo.bar] > relayhost = [newserver.foo.bar] > > > and it forwards mail destined for example.com fine - but not my mail > s

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Maróy Ákos
Brian, This is very wrong.. see my previous posts. now I've set: relay_domains = $mydestination, example.com relay_transport = smtp:[newserver.foo.bar] relayhost = [newserver.foo.bar] and it forwards mail destined for example.com fine - but not my mail server does not work as an outgoing m

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Maróy Ákos
Brian, IMO, you should follow Magnus' post and use relay_domains and relay_recipient_maps if you are moving complete virtual mailbox domains at one time. I see. but can you be more specific, maybe with an example on what and how to set? Akos

Re: Catchall account and lots of spam in a short period

2009-07-30 Thread Charles Marcus
On 7/30/2009 10:51 AM, Noel Jones wrote: > Address verify callouts are quite time consuming, so quite expensive - > much more than an RBL lookup. However, when valid recipients are found > in the cache, the impact on mail should be very low. Thanks for correcting me... that is good to know. > So

Re: Blocking Hotmail

2009-07-30 Thread Steve
Original-Nachricht > Datum: Thu, 30 Jul 2009 09:31:13 -0500 > Von: "Rodman Frowert" > An: postfix-users@postfix.org > Betreff: Blocking Hotmail > I am getting quite a bit of SPAM coming from Hotmail. Instead of using > verify to check and see if they are legit senders, I think

Re: Blocking Hotmail

2009-07-30 Thread Serge Fonville
You're welcome! Well, "Google is your friend" Probably more than any other non-human resource And very often it is faster as well In my experience, mailing lists, are more of a 'last resort' If you want a postfix forum, I'd say, start one Just my 2ct Regards, Serge Fonville On Thu, Jul 30, 2

Re: Blocking Hotmail

2009-07-30 Thread Robert Schetterer
Rodman Frowert schrieb: > Thanks! > > I did a search on the Postfix main site for "block" but didn't get any > results. block is a very universe ( in german it can be a big stone , or it may row of uniform houses etc *g) therefore search REJECT which is the right tec description > > I wish the

Re: Catchall account and lots of spam in a short period

2009-07-30 Thread Noel Jones
Charles Marcus wrote: On 7/30/2009, Martijn de Munnik (mart...@youngguns.nl) wrote: Mmmm, I'm using transport maps to forward mail to the final mail server. So the verify should contact the remote server and I think that is almost as expensive as a RBL check. I don't think so, but am not certa

Re: Blocking Hotmail

2009-07-30 Thread Rodman Frowert
Thanks! I did a search on the Postfix main site for "block" but didn't get any results. I wish there was a message board on the Postfix main site instead of JUST the mailing list. Would making find things that are asked a lot quite easier. Some of the mailing list archives don't have searc

Re: Blocking Hotmail

2009-07-30 Thread Serge Fonville
> What would be the appropriate command to simply reject this domain? I'd google for: postfix block domains The first result I would get is: http://www.linuxquestions.org/questions/linux-server-73/how-to-block-domains-postfix-684924/ HTH Regards, Serge Fonville

Blocking Hotmail

2009-07-30 Thread Rodman Frowert
I am getting quite a bit of SPAM coming from Hotmail. Instead of using verify to check and see if they are legit senders, I think I would rather just block them and be done with it. Maybe after a few months of my server not responding to Spammer garbage, I will be removed from their SPAM lists

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Brian Evans - Postfix List
Maróy Ákos wrote: > Luciano, > >> If you remove it from virtual domain table you'll have to add it to >> mydestination (mydestination = whatever_it_as, example.com) > > oh, it worked this way. > > thank you all for the help! > > > Akos > This is very wrong.. see my previous posts.

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Maróy Ákos
Luciano, If you remove it from virtual domain table you'll have to add it to mydestination (mydestination = whatever_it_as, example.com) oh, it worked this way. thank you all for the help! Akos

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Brian Evans - Postfix List
Maróy Ákos wrote: >> >> I might have forgotten something, but I think that's it. Just remember >> to `postmap` the /etc/postfix/transport file and add it to your >> transport maps. >> http://www.postfix.org/postconf.5.html#transport_maps > and then what else do I have to set? > > thanks. but now I'

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Barney Desmond
2009/7/31 Maróy Ákos : >> I'm pretty sure you leave it in, Postfix has to know it's meant to >> handle the domain, which means either being "local", "relay" or >> "virtual" (two types). >> http://www.postfix.org/ADDRESS_CLASS_README.html > > ok, so I have my example.com in my vdomains file, and I h

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Maróy Ákos
Dear Barney, The right-hand side of the transport file should have square brackets around the hostname. By default, Postfix would attempt to lookup the MX for newmachine.example.com, which isn't what you want. Square brackets suppress the MX lookup, and use the direct host lookup instead. ie.:

Re: Catchall account and lots of spam in a short period

2009-07-30 Thread Charles Marcus
On 7/30/2009, Martijn de Munnik (mart...@youngguns.nl) wrote: > Mmmm, I'm using transport maps to forward mail to the final mail > server. So the verify should contact the remote server and I think > that is almost as expensive as a RBL check. I don't think so, but am not certain... hopefully some

Re: Catchall account and lots of spam in a short period

2009-07-30 Thread Martijn de Munnik
On Jul 30, 2009, at 2:48 PM, Charles Marcus wrote: On 7/30/2009 8:26 AM, Martijn de Munnik wrote: I assume it is better to put the reject_unknown_recipient_domain and reject_unverified_recipient controls after the rbls en policy services. This way only address verification is needed when th

Re: Catchall account and lots of spam in a short period

2009-07-30 Thread Charles Marcus
On 7/30/2009 8:26 AM, Martijn de Munnik wrote: > I assume it is better to put the reject_unknown_recipient_domain and > reject_unverified_recipient controls after the rbls en policy services. > This way only address verification is needed when the mail passes the > rbls en policies? Actually, I th

Re: Catchall account and lots of spam in a short period

2009-07-30 Thread Martijn de Munnik
On Thu, 2009-07-30 at 07:06 -0400, Charles Marcus wrote: > On 7/30/2009, Martijn de Munnik (mart...@youngguns.nl) wrote: > > Of course we don't know which email addresses are valid so all mail for > > the domain is accepted on our servers. > > That is your problem to be fixed. Maybe this helps: >

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Luciano Mannucci
On Thu, 30 Jul 2009 13:25:18 +0200 Maróy Ákos wrote: > > thanks for the info. so, I create a /etc/postfix/transport file, with > say the following line: > > example.comsmtp:newmachine.example.com:25 You do not need the :25 if the transport is smtp (though it shouldn't harm) > and remove

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Barney Desmond
2009/7/30 Maróy Ákos : > thanks for the info. so, I create a /etc/postfix/transport file, with say > the following line: > > example.com    smtp:newmachine.example.com:25 The right-hand side of the transport file should have square brackets around the hostname. By default, Postfix would attempt to

Re: Using multiple instance, does it make sense?

2009-07-30 Thread Barney Desmond
2009/7/30 Christian Wittwer : > I'm trying to setup a postfix enviroment to relay about 200k mails per hour. > The hardware and the network link will be well dimensioned, so I like > to talk about the configuration part of this setup. > There are several options to tune in postfix, like timouts and

Postfix delivery according to winbind groups

2009-07-30 Thread Veiko Kukk
Hi! How could I set up my postfix so that if it receives somegr...@domain.tld, then that mail is delivered to all members in that group, but only if user is not disabled in PDC? Basically it means that aliases are based on windows/samba groups. Winbind is configured and works, I only need to

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Maróy Ákos
Luciano, Use transport. You can do it for each domain, or even for each user if you care about beeing able to reject mail for non-existent users at the SMTP port. I did both and I found it straightforward... :-) thanks for the info. so, I create a /etc/postfix/transport file, with say the fol

Using multiple instance for this setup?

2009-07-30 Thread Christian Wittwer
Hi, I'm trying to setup a postfix enviroment to relay about 200k mails per hour. The hardware and the network link will be well dimensioned, so I like to talk about the configuration part of this setup. There are several options to tune in postfix, like timouts and concurrent sessions etc.. My ide

Using multiple instance, does it make sense?

2009-07-30 Thread Christian Wittwer
Hi, I'm trying to setup a postfix enviroment to relay about 200k mails per hour. The hardware and the network link will be well dimensioned, so I like to talk about the configuration part of this setup. There are several options to tune in postfix, like timouts and concurrent sessions etc.. My ide

Re: Catchall account and lots of spam in a short period

2009-07-30 Thread Charles Marcus
On 7/30/2009, Martijn de Munnik (mart...@youngguns.nl) wrote: > Of course we don't know which email addresses are valid so all mail for > the domain is accepted on our servers. That is your problem to be fixed. Maybe this helps: http://www.postfix.org/ADDRESS_VERIFICATION_README.html#recipient -

Re: Directory Harvest

2009-07-30 Thread Barney Desmond
> Apart from the IPTables a more autonomous fix could be done with the > (improper ?) use of Anvil. Any more than X connections in a couple of > minutes and goodnight sweetheart. This is generally strongly advised against. anvil is a DoS-protection mechanism, not a rate-limit tool - it exists to h

Re: Postfix/dovecot smtp auth implementation question

2009-07-30 Thread indio
Tested and working perfect with these 3 lines: smtpd_sender_login_maps = mysql:/etc/postfix/smtpd_sender_login_maps.cf smtpd_sender_restrictions = reject_sender_login_mismatch smtpd_reject_unlisted_sender = yes /etc/postfix/smtpd_sender_login_maps.cf: query = SELECT username FROM mailbox WHERE us

Re: Catchall account and lots of spam in a short period

2009-07-30 Thread Martijn de Munnik
On Mon, 2009-07-27 at 19:56 +0200, Martijn de Munnik wrote: > I guess I need prohibit the catch all account and offer the solution > with the delimiter instead. That way all spam to bogus email addresses > get rejected because the address does not exist. > > But still I wonder if there is a w

Re: Directory Harvest

2009-07-30 Thread Clunk Werclick
On Thu, 2009-07-30 at 08:59 +0200, Ralf Hildebrandt wrote: > * Evan Platt : > > At 03:59 PM 7/29/2009, you wrote: > > >It looks like somebody is trying to figure out my internal users as > > >evidenced by log excerpts below. Is there something I could do to, if > > >not prevent this, reduce it? >

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Luciano Mannucci
On Thu, 30 Jul 2009 10:35:21 +0200 Maróy Ákos wrote: > I'm planning to migrate the virtual domains one by one - and I will also > have to face the fact that the update of the MX record for the domain > will take some time. Thus, for some time, mail will arrive an both the > old and new locatio

Re: forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Magnus Bäck
On Thursday, July 30, 2009 at 10:35 CEST, Maróy �kos wrote: > I wonder if this can be achieved easily. I'm migrating from one server > to another, which includes migrating the postfix mailserver as well. > I'm hosting a number of virtual domains on the mail server. Naturally > I want to ma

forwarding mail for a complete virtual domain to another mailserver?

2009-07-30 Thread Maróy Ákos
Hi, I wonder if this can be achieved easily. I'm migrating from one server to another, which includes migrating the postfix mailserver as well. I'm hosting a number of virtual domains on the mail server. Naturally I want to make the transition as smooth as possible. I'm planning to migrate t

Re: Postfix to allow authentication only after STARTLS

2009-07-30 Thread Magnus Bäck
On Thursday, July 30, 2009 at 06:19 CEST, Olivier Nicole wrote: > I am using dovecot with postfix for authentication. > > Everything (TLS/SSL, authentication) is working fine, except I cannot > find a way to force STARTLS before authentication: > > 20 mail2.cs.ait.ac.th ESMTP Postfix (

Re: mail from,return-path,reverse-path

2009-07-30 Thread Magnus Bäck
On Thursday, July 30, 2009 at 04:19 CEST, Jeff Huang wrote: > How to determine the mail from when the mail is sending. > > For example,I send a email to i...@domain2.com from the domain1.com(the > sender is i...@domain1.com). > > And the id2 at domain2.com is a aliase to i...@domain3.com.

Re: Directory Harvest

2009-07-30 Thread Ralf Hildebrandt
* Evan Platt : > At 03:59 PM 7/29/2009, you wrote: > >It looks like somebody is trying to figure out my internal users as > >evidenced by log excerpts below. Is there something I could do to, if > >not prevent this, reduce it? > > If you're seeing a lot of attempts, I say just block them in your