Re: Using transport only if local user exists

2014-03-15 Thread Noel Jones
On 3/15/2014 5:08 PM, Rick Zeman wrote: > I've started working on my bastard Mac postfix relay. For delivery to > the local domain, it will only relay to the internal mail server > defined in transport if the user exists locally on the postfix When relaying to an inside server, the domain should

Re: relay denied in postfix

2014-03-15 Thread Larry Stone
On Mar 15, 2014, at 9:40 PM, Tim Dunphy wrote: > But it appears that mail IS making its way to the mail server, but being > rejected once it arrives. Did you read the reply I sent earlier? Apparently not. If you’re going to ask for help, you need to actually read the help provided. -- Larr

PATCH: Making TLS errors hard

2014-03-15 Thread Wietse Venema
I have uploaded a patch to the primary Postfix source code mirror that adds support to the Postfix SMTP client to rewrite non-delivery status codes and text. ftp://ftp.porcupine.org/mirrors/postfix-release/experimental/feature-patches/20140315-smtp-bounce-defer-filter-patch ftp

Re: Force "AUTH" before "MAIL FROM" command for submission port 587

2014-03-15 Thread li...@rhsoft.net
Am 16.03.2014 01:53, schrieb Karl Klein: > when I run the security test on http://www.emailsecuritygrader.com, I always > get a "-" > for "AUTH Required (port 587)". To get a "+", the descriptions says: > "Your system requires authentication (AUTH) on port 587 before the MAIL FROM > command i

Force "AUTH" before "MAIL FROM" command for submission port 587

2014-03-15 Thread Karl Klein
Hello, when I run the security test on http://www.emailsecuritygrader.com, I always get a "-" for "AUTH Required (port 587)". To get a "+", the descriptions says: "Your system requires authentication (AUTH) on port 587 before the MAIL FROM command is issued". Auth on port 587 seems to work fin

Using transport only if local user exists

2014-03-15 Thread Rick Zeman
I've started working on my bastard Mac postfix relay. For delivery to the local domain, it will only relay to the internal mail server defined in transport if the user exists locally on the postfix box...and I can't figure out why (luckily, the 450 safety net is there!). I could see how it would

Re: smtpd_sender_restrictions and reject_sender_login_mismatch

2014-03-15 Thread Viktor Dukhovni
On Sat, Mar 15, 2014 at 12:47:44AM +0100, Sergei wrote: > > Either the message is rejected by another restriction as shown in > > the log, or your smtpd_sender_login_maps is matching everything. > > http://www.postfix.org/postconf.5.html#smtpd_sender_login_maps > > I turned on debug output and as

Re: relay denied in postfix

2014-03-15 Thread Larry Stone
I see two issues here. You haven’t told it what domains to accept and you’ve defined mynetworks to be only localhost. On Mar 15, 2014, at 3:01 PM, Tim Dunphy wrote: > Hello, > > > I've just built a postfix server in amazon EC2 with an elastic IP. And I > found that while I can connect to and

relay denied in postfix

2014-03-15 Thread Tim Dunphy
Hello, I've just built a postfix server in amazon EC2 with an elastic IP. And I found that while I can connect to and send emails to my mail server when I telnet to localhost when I telnet to the external FQDN I get relay denied. I'll first demonstrate success, then failure. root@mail:~# telnet

Re: Spam email containing Hidden Text

2014-03-15 Thread Nikolaos Milas
On 15/3/2014 8:28 μμ, David Mehler wrote: Hello, I'm also interested in this. I'm using Postfix with DSpam and I would like to avoid this type of spam. Thanks. Dave. Please, stay on the list. From experience, I'd advise to use an internal mail server as a final destination, then setup at l

Re: Spam email containing Hidden Text

2014-03-15 Thread Nikolaos Milas
What software are you using? For example, are you using amavisd-new, clamav, spam-assassin ? ...And additionally, postscreen (with dnsbl !), perhaps sane-security (as part of clamav), fail2ban (to block repetiive unsuccessful connections) etc. ? Use sa-learn too! Perhaps this is more an ama

Spam email containing Hidden Text

2014-03-15 Thread jason hirsh
I have been noting an big increase in spam that contains html and images One common feature is that these emails contain hidden text that only shows up when I look at the source I found samples of this at http://www.hoax-slayer.com/hidden-text-spam.html Right now I have been having some succe

Re: Mail Server Accused of Spam!

2014-03-15 Thread Wietse Venema
Tim Smith: > That's fine and I totally understand why they do that but is there a way > that Postfix can flag the message so that Google understands that we are > just forwarding the message and that we are not the originator of the spam? And of course every spammer would do the same thing: pret

Re: Mail Server Accused of Spam!

2014-03-15 Thread Ralf Hildebrandt
* Tim Smith : > That's fine and I totally understand why they do that but is there a > way that Postfix can flag the message so that Google understands > that we are just forwarding the message and that we are not the > originator of the spam? You could filter out the spam before forwarding the n

Re: Mail Server Accused of Spam!

2014-03-15 Thread li...@rhsoft.net
Am 15.03.2014 11:08, schrieb Tim Smith: > I have a few users who just want their email forwarded onto GMail Accounts > however these users seem to receive an > inordinate amount of spam and so I get a message from Google in my logs > stating: > > /Feb 7 09:39:53 xxx postfix/smtp[15191]: 1

Mail Server Accused of Spam!

2014-03-15 Thread Tim Smith
Hello, I have a few users who just want their email forwarded onto GMail Accounts however these users seem to receive an inordinate amount of spam and so I get a message from Google in my logs stating: /Feb 7 09:39:53 xxx postfix/smtp[15191]: 118C8C0C2A6: host gmail-smtp-in.l.google.com

Re: confused about virtual_mailbox_domains parameter

2014-03-15 Thread Alan Chandler
On 15/03/14 07:12, Alan Chandler wrote: ... According the explanation of all the parameters for main.cf virtual_mailbox_domains defaults to $virtual_mail_box maps. so I am thinking that I can drop that line in main.cf and move many of the elements in virtual_alias_domains and virtual_alias_map

confused about virtual_mailbox_domains parameter

2014-03-15 Thread Alan Chandler
Having now got a working configuration, I am trying to simplify/re-adjust it in preparation for moving to using some sql queries rather than hard coded config files. I have two imap accounts, my personal, as above, and my business ( which is for valid e-mail addresses in domain @hartley-consul