Am 05.11.2012 03:45, schrieb Brian Schang:
> What is the best way to handle a problem like this? Right now I'm
> soft_bouncing until I find a more permanent solution. The best I've
> found on the net is to set up a header_check. Is this a good solution?
> If so, are there any tricks in setting th
Thanks for the advise.
I found that we can achieve this using header_check .
# restrict based on message header content header_checks =
pcre:/etc/postfix/header_checks
/etc/postfix/header_checks:
/^To:([^@]*@){1,}/ HOLD Sorry, your message has too many recepients.
/^Cc:([^@]*@){1,}/ H
* Prashanth P.Nair :
> Thanks for the advise.
>
> I found that we can achieve this using header_check .
>
> # restrict based on message header content header_checks =
> pcre:/etc/postfix/header_checks
>
> /etc/postfix/header_checks:
>
> /^To:([^@]*@){1,}/HOLD Sorry, your message has too man
Hi,
> Or use "reject_unverified_recipient", which uses a cache
> of previous decisions so it won't hammer the mailbox server.
thank you very much. Tested it and the solution is so simple and at the same
time so powerful. I wonder that there are still many people not thinking about
this solutio
On Mon, Nov 05, 2012 at 01:48:40PM +0100, Ralf Hildebrandt wrote:
> * Prashanth P.Nair :
> > I found that we can achieve this using header_check .
> >
> > # restrict based on message header content header_checks =
> > pcre:/etc/postfix/header_checks
> >
> > /etc/postfix/header_checks:
> >
> > /^
* /dev/rob0 :
> But what happens when some smartaleck uses an "@" sign in the RFC
> 5322 "display-name" field, as I did, above?
It will break.
> Joe@work
> Joe@home
Amen to that. I've seen that even in the From: header!
--
[*] sys4 AG
http://sys4.de, +49 (89) 30 90 46 64
Franziskanerstraß
Hello:
On 11/5/2012 5:18 AM, Reindl Harald wrote:
> Am 05.11.2012 03:45, schrieb Brian Schang:
>> What is the best way to handle a problem like this? Right now I'm
>> soft_bouncing until I find a more permanent solution. The best I've
>> found on the net is to set up a header_check. Is this a good
Could someone help me figure out which rule exactly is blocking this e-mail?
We are trying to migrate a domain to another e-mail service and in the
meantime the new service is sending mail from a domain that postfix accepts
mail for. Whenever that migrating domain sends mail to a domain hosted on
t
On Mon, Nov 05, 2012 at 09:57:58AM -0500, James Chase wrote:
> Could someone help me figure out which rule exactly is blocking
> this e-mail?
It would have been easier if you had disclosed the contents of the
various maps you are using, but I can surely narrow it down.
> We are trying to migrat
On 11/5/2012 8:57 AM, James Chase wrote:
> Could someone help me figure out which rule exactly is blocking this
> e-mail? We are trying to migrate a domain to another e-mail service
> and in the meantime the new service is sending mail from a domain
> that postfix accepts mail for. Whenever that mi
>
> and another
>
> > check_recipient_access
> > pcre:/etc/postfix/MISC_CHECKS/ascii.pcre, check_sender_mx_access
> > cidr:/etc/postfix/NETWORK_CHECKS/drop.cidr, check_policy_service
> > inet:127.0.0.1:10023, check_helo_access
> > pcre:/etc/postfix/NETWORK_CHECKS/helo_hostnames.pcre,
> > pcre:/et
On Mon, Nov 05, 2012 at 11:14:43AM -0500, James Chase wrote:
[attribution reconstructed]
> > > James:
> > rob0:
> > and another
> >
> > > check_recipient_access
> > > pcre:/etc/postfix/MISC_CHECKS/ascii.pcre, check_sender_mx_access
> > > cidr:/etc/postfix/NETWORK_CHECKS/drop.cidr, check_policy_ser
All right.
Amavis is beginning to anny me as a plugin:
Big reason many a legit PDF is getting rejected and customers are yelling
loud in stereo!!
What must I do to remove Amavis from the postfix sequence without disrupting
Postfix itself?
--
Member - Liberal International This is doc...@nl2k.
> -Original Message-
> From: owner-postfix-us...@postfix.org [mailto:owner-postfix-
> us...@postfix.org] On Behalf Of /dev/rob0
> Sent: Monday, November 05, 2012 11:47 AM
> To: postfix-users@postfix.org
> Subject: Re: sender address rejected
>
> On Mon, Nov 05, 2012 at 11:14:43AM -0500,
On 11/5/2012 11:38 AM, The Doctor wrote:
> All right.
>
> Amavis is beginning to anny me as a plugin:
>
> Big reason many a legit PDF is getting rejected and customers are yelling
> loud in stereo!!
>
> What must I do to remove Amavis from the postfix sequence without disrupting
> Postfix itself
On Mon, Nov 05, 2012 at 02:11:56PM +0100, Christian R??ner wrote:
> > Or use "reject_unverified_recipient", which uses a cache
> > of previous decisions so it won't hammer the mailbox server.
>
>
> thank you very much. Tested it and the solution is so simple and
> at the same time so powerful. I
Viktor Dukhovni:
> On Mon, Nov 05, 2012 at 02:11:56PM +0100, Christian R??ner wrote:
>
> > > Or use "reject_unverified_recipient", which uses a cache
> > > of previous decisions so it won't hammer the mailbox server.
> >
> >
> > thank you very much. Tested it and the solution is so simple and
>
> You may want to invest some time in learning the basics of email and
> system administration; this list is not the place for that.
I'm willing to learn. I assume that the best way to learn is to
configure my own mail server. Am I wrong?
>> Should I follow this [1] advice:
> No. What do you thi
"Because you sign your own Postfix public key certificate, you get TLS
encryption but no TLS authentication." [0]
Could you explain the above?
Does "TLS encryption" mean that all connections between my client
machine and my server machine (and all data e.g. passwords, emails)
will be encrypted?
Am 05.11.2012 23:22, schrieb thorso...@lavabit.com:
> "Because you sign your own Postfix public key certificate, you get TLS
> encryption but no TLS authentication." [0]
>
> Could you explain the above?
>
> Does "TLS encryption" mean that all connections between my client
> machine and my serve
On Mon, Nov 05, 2012 at 05:18:23PM -0500, thorso...@lavabit.com wrote:
> Jeroen:
> > You may want to invest some time in learning the basics of email
> > and system administration; this list is not the place for that.
>
> I'm willing to learn. I assume that the best way to learn is to
> configure
On 11/05/2012 11:31 PM, Roman Gelfand wrote:
I have setup postfix as mail gateway behind a firewall. There are 2
instances of smtpd. One for outgoing and the other for incoming.
The outgoing smtpd is listening on non-standard port enforcing tls.
Clearly, security is not as big of a concern for
Is it a problem if I enforce tls from master.cf?
Everything else, I have in place. I suppose, I could rate limit from
the same ip, password attempts, etc...
Thanks again
On Mon, Nov 5, 2012 at 5:57 PM, Jeroen Geilman wrote:
> On 11/05/2012 11:31 PM, Roman Gelfand wrote:
>>
>> I have setup post
thorso...@lavabit.com:
> "Because you sign your own Postfix public key certificate, you get TLS
> encryption but no TLS authentication." [0]
>
> Could you explain the above?
Assuming that you're referring to server certificates, the session
will be TLS encrypted, but the client won't know if it i
On 11/06/2012 12:25 AM, Roman Gelfand wrote:
Is it a problem if I enforce tls from master.cf?
Rather the reverse: if you enforce TLS for all mail, you won't get any.
Add
-o smtpd_tls_security_level=encrypt
(mandatory whitespace before -o, and no spaces around =)
to your submission serv
On Sun, Nov 4, 2012 at 6:45 PM, Brian Schang wrote:
> In the past week, my server has accepted dozens of emails that were not
> deliverable. In all cases the issue has been a mail forwarding loop
> which resulted in the email bouncing. Given that my configuration has
> not changed in many months,
Hi,
>> Quick question: With Dovecot (or other LMTP servers) does this
>> detect over-quota conditions? The Postfix verification probe does
>> not send any message data, just "MAIL FROM", "RCPT TO" and then
>> "RSET" + "QUIT" (or perhaps just "QUIT").
>
> Postfix sends the message size in the MAIL
Am 06.11.2012 um 08:31 schrieb Christian Rößner :
> I also will test, if "sieve reject" is working the same way. If so, I can
> enable this flag and give users a chance to reject unwanted mails in session.
"reject" creates a new mail and sends it out.
-Christian Rößner
--
[*] sys4 AG
http://
28 matches
Mail list logo
