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1
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2answers
45 views

How to replace the host variable in a header in nginx

I am trying to replace the host variable in the header in nginx configuration, such that some.random.sub.example.net becomes net-some.random.sub.example.com. i have tried the following : if ($host ~* ...
0
votes
0answers
4 views

Thunderbird forwarding without rewriting reply-to [migrated]

We have a secondary email account for our business, and a mail rule on one of our installations of thunderbird that forwards anything coming in on that account to the other account (the one we ...
4
votes
1answer
47 views

Why is sendmail adding an extra carriage return in headers?

I've got SendMail 8.14.4 running on a CentOS 5 server. A user in Japan is sending a message and when it gets processed by the server, SendMail is adding an extra carriage return for some reason. ...
0
votes
1answer
59 views

Why does my apache refuse the “Content-Security-Policy” headers?

I'm currently in the process of implementing Content-Security-Policies. But my apache refused to accept the config settings. The apache2 versions I am currently using are: 2.2.22 and 2.4.7. Neither ...
0
votes
1answer
48 views

max-age=0 sent by browsers despite headers modified everywhere

I have a headers/cache issue in my lamp [centos] website. Config: [root@localhost httpd]# httpd -v Server version: Apache/2.2.23 (Unix) Server built: Nov 25 2012 15:03:00 [root@localhost httpd]# ...
1
vote
0answers
22 views

How can I dump email headers to plaintext files?

I have a .pst for which I would like to extract header information for all emails and dump it to one file per email. How would I go about doing this?
2
votes
2answers
71 views

Postfix header stating wrong IP

I am using Postfix 2.11.3 on Debian 8.0 I configured Postfix to run multiple instances (3), one for each public IP connected to our server in order to balance outgoing traffic depending on the ...
1
vote
0answers
251 views

How to override “Content-Type” header with PHP script on Nginx

I have some php script which returns jpeg image(1x1 pixel) with content type "image/jpeg": // return image $image_name = 'img/pixel.jpg'; $image = fopen($image_name, 'rb'); header('Content-Length: ' ...
0
votes
1answer
233 views

multiple post requests using wget and same base-url

wget has nice option that lets you allow downloading multiple files from same location (I mean combination of --base and --input-file) Advantage of this, is that if possible wget tries to reuse ...
1
vote
1answer
314 views

Forwarding email with postfix via AWS SES

I have a server with postfix MTA installed that accepts mail for my domain, hereinafter @example.com. I need to setup forwarding for certain emails@example.com to other emails . e.g. @gmail.com and ...
5
votes
1answer
170 views

Postfix: selecting relay host based on From: mail header rather than envelope sender

I've successfully set Postfix to relay emails via Mandrill using SASL and sender_dependent_relayhost_maps with a MySQL table so that different senders connect to Mandrill using their own Mandrill ...
1
vote
0answers
68 views

Emails keep going to Gmail spam folder - DKIM, SPF, are set up - Very perplexing [duplicate]

Note: This is NOT a duplicate question, there are no questions that address the very specific details of headers as far as whether the inclusion of multiple DKIM entries will result in landing in the ...
1
vote
1answer
161 views

postfix header_checks - regex spanning multiple lines

I would like to create a spam filter that spans multiple lines in headers. This is my /etc/postfix/header_checks file: /^From:.*name[0-9]+@.+[\r\n]+To:.*name@domain\.com/ REJECT It's a valid ...
0
votes
1answer
164 views

Can't find received_header_text in exim.config file

I would like to modify received_header_text to add additional "Received: ..." header for authenticated mails - so gmail import will check SPF against our server, not client IP. But my exim.conf does ...
0
votes
1answer
139 views

Postfix: how to redirect a single email address depending on the sender

I'm trying to add a rule to Postfix. My goal is as follows: when anyone EXCEPT (server@example.com) sends an email to (info@example.com) forward it to (sales@example.com). If server@example.com is ...
0
votes
1answer
2k views

Nginx not processing proxy hide header and proxy ignore headers

I have trouble trying to make Nginx ignore and hide some headers from a proxied server. I want Nginx to hide and ignore "Cache Control" and "Server" headers but it didn't work, I don't know why. My ...
0
votes
2answers
312 views

Having trouble removing HTTP header “Cache-control”

I'm trying to get my assets cached using Cloudflare Cloudflare states here that "CloudFlare will not cache your site or static content if you have no-cache and private headers coming from your ...
0
votes
0answers
55 views

IIS cache headers for selective file types

I have an application that serves .js, .css and .gif, and bunch others (.xls, .htm,.pdf....etc) file types. My requirement is to allow browser caching of .js, .css and .gif files but not allow any ...
1
vote
3answers
185 views

Is TCP header the same as TCP segment?

So, is a TCP header actually the same thing as a TCP segment? I was reading this page, where it reads near the end that: Even though it might seem they are, in most cases, when referring to the ...
3
votes
1answer
75 views

Is there a legitimate reason to use an encoded word in any header other than the subject?

Encoded words allow non-US-ASCII characters to be encoded as US-ASCII and thus placed into email headers. http://en.wikipedia.org/wiki/MIME#Encoded-Word Encoded words are often used in the Subject ...
1
vote
1answer
191 views

Postfix bad notify parameter syntax

Please bear with me as I'm not an expert admin I have a linux mail server that has been running for a couple of years and now all of a sudden a certain user is unable to send emails. They immediately ...
2
votes
3answers
1k views

SPARC T4, Solaris 11, no access to internet, how to install system headers (or a working compiler)

I need to compile a C program on SPARC T4-1 (Solaris 11) machine that has been deployed to customer network, and it no longer has access to the Internet. Originally during the setup, compilation ...
1
vote
1answer
168 views

Spam avoidance issue

I'm working on a project right now that sends email as confirmation of purchase. Some emails are still being received as spam. I have signed the domain up for google apps for business & am using ...
2
votes
1answer
40 views

postfix HOLD Recieved non authenticated

i'm wondering if is possibile to put on hold emails that not have authenticated in Recieved header . i've tryed with a simple negate operazione with pcre !/^Received:.*Authenticated*/ HOLD but ...
1
vote
2answers
3k views

What does this Received email header line mean?

I'm a little paranoid that my new mail server might not be configured right, and I'm wondering if I made a mistake somewhere. Or maybe it's just the way Yahoo does things with their mail service. To ...
6
votes
4answers
7k views

Referer is passed from HTTPS to HTTP in some cases… How?

In theory browsers do not pass on referer information from HTTPS to HTTP sites. And in my experience this has always been true. But I just found an exception, and I want to understand why it works so ...
0
votes
2answers
201 views

Postfix FROM header defaults

I have tried and tried to google my way out of this. This definitely has to be a very common problem because I am half-way intermediate at Linux and etI am complaining about default settings and how ...
2
votes
2answers
116 views

Minimal size of TCP communication

I am sending small amounts of data (up to 100 bytes) every 10 minutes from devices to TCP server. In my case overhead seems to be huge (we pay for each byte). I found that I have at least 7-10 packets ...
2
votes
2answers
974 views

postfix - different header checks for incoming and outgoing mail

How can I apply different header_checks for incoming and outoing mail using postfix? By default, all header_checks are applied to both incoming and outgoing.
0
votes
2answers
2k views

Gzip compression with nginx

In my nginx.conf I have: gzip on; gzip_static on; gzip_buffers 16 8k; gzip_comp_level 9; gzip_http_version 1.0; gzip_min_length 1000; gzip_types text/plain text/css ...
-2
votes
1answer
287 views

Cross-Compiling on x86 for Solaris SPARC [closed]

I've looked at a few sources on how to go about cross-compiling, and from what I understand, I need the header files for the system I am compiling for. Some background info: The school I am a student ...
0
votes
1answer
1k views

Content disposition header on Nginx

I am doing a setup where Apache runs the web application and NginX serves files that users download. The files should be downloaded with their real names instead of the names their are being stored ...
0
votes
1answer
2k views

Hide server ip from email header

I use ddos mitigation services on my server and due to this it is very important that my server ip stays hidden. I own two servers, the primary server houses my website and the secondary server is ...
2
votes
2answers
2k views

nginx: Specify custom headers in rewritten location blocks

I'm trying to set some headers only for specific location blocks in nginx. The problem I have is that those location blocks contain rewrite statements, which apparently seem to drop the custom ...
0
votes
2answers
232 views

Postfix Header Filter

I have set up a header filter in postfix to discard messages from Russia and Romania because of the volume of spam coming from those and we do not currently do business in those countries. My regex ...
0
votes
1answer
322 views

How do I change the received url in outgoing emails

I've got a cheap and cheerful dedicated server from 1and1 that I use to send emails. The received email header looks like this: Received: from s123456.onlinehome-server.info ...
2
votes
2answers
156 views

last modification date of web page unknown

I would like to check the age of the document in the webpage but it does not show! here is the result of a telnet to the server: telnet av.hostoi.com 80 Connected to av.hostoi.com. HEAD / HTTP/1.0 ...
5
votes
2answers
400 views

IIS sets http header Expires to -1, how do I override this with mod_expires

I'm using an IIS website with a Apache HTTP reverse proxy (mod_proxy with ProxyRequests Off). I want to control the expires headers in apache (don't ask), but IIS is setting the header Expires: -1. ...
0
votes
2answers
52 views

Files and their headers? [closed]

(I'm a dos guy , I always liked to view files in norton commander and see inside stuff etc) however over the years I've noticed that each file(well , most of) ( binary files ) has header : For ...
2
votes
0answers
721 views

What is the difference between content-language and accept-language headers in Outlook? How/when are these added? [closed]

Outlook 2010 | Windows 7 Can someone please elaborate on the difference between the content-language and accept-language email headers? When do these get added by Outlook 2010 and where can I ...
7
votes
4answers
2k views

“Delivered-To” Header in Exchange

In some SMTP server implementations (i.e. Postfix) you can enable Delivered-To and X-Original-To headers that will be added to your email. (or [X-]Envelope-To) This is very helpful with distribution ...
2
votes
2answers
2k views

All headers pass, hotmail still marks as spam [duplicate]

Possible Duplicate: Why Does hotmail still reject my emails? So I've been working a long time on fixing the Hotmail issue, but nothing seems to work: Created my SPF records with the ...
1
vote
1answer
162 views

postfix additional header addition

X-LBSMTP-Spam-Policy: SendBlaster SMTP is a paid relay service.We do not tolerate UCE of any kind. Please report it ASAP to abuse@lbsmtp.org. I want to add such a header to mails sent by my postfix ...
0
votes
3answers
632 views

Can HTTP headers be used to tell if page has been through a proxy?

Is there a way to tell from HTTP headers with a page if a proxy server has been involved in the connection?
2
votes
1answer
130 views

php file downloads instead of being processed with ajax on apache

I have a small website where some content is displayed within a HTML tag using AJAX. The content is simply taken from another page on the same web site. However, sometimes instead of loading the ...
1
vote
0answers
407 views

Proper resolution of request url and referer [closed]

I was working on my node server and encountered the need to implement the use of request.headers.referer. When I did tests and read headers to determine how to write the parsing functions, I couldn't ...
2
votes
1answer
762 views

How to remove “Client-Peer” (etc) header in nginx with php-fastcgi

My setup: OS: Ubuntu 11.04 HTTP Server: nginx 1.2.1 compiled with the HttpHeadersMore module processing PHP via php-fastcgi (other irrelevant software - ruby, python, etc) My problem: I'm ...
2
votes
2answers
374 views

Requesting better explanation for expires headers

I have successfully implemented expires headers however, for several days I have been stumped by one thing. This article: ...
3
votes
1answer
2k views

Build kernel headers to compile R1Soft hcp module

I'm running a Xen based VM with CentOS 5, and my hosting provider pushes kernel version 2.6.37.6 from the host machine (so no pv-grub). [root@dev ~]# uname -r 2.6.37.6 I'm trying to install the ...
2
votes
1answer
856 views

2 Received from header at IIS SMTP email send via C# application

I am using windows server 2008 r2 and IIS 7.5 normally. I am using IIS 6 smpt server to send emails. Right now when i send email via my C# application i am seeing 2 received from headers. What might ...