0
votes
2answers
63 views

I don't have Sendmail but port 25 is still using by Sendmail

I am running this command: telnet 87.106.xxx.xxx 25 And it says Trying 87.106.xxx.xxx... telnet: Unable to connect to remote host: Connection refused But telnet localhost is running properly. ...
1
vote
1answer
59 views

Postfix 5.7.1 Unable to relay [deliver internal mail directly]

I have the following scenario: serverA = RHEL5 using Sendmail serverB = RHEL6 using Postfix serverC = RHEL6 using Postfix gwsmtp = relayhost example.com = domain name As we are migrating from ...
3
votes
2answers
90 views

Backup MX server used to queue mail

In short: I need to setup backup MX server, which will queue messages it receives for later delivery through original MX, AND it must only accept messages for mailboxes which will be listed in ...
0
votes
1answer
59 views

Postfix multiple MX records - binding addresses

I have a postfix mail server with a working opendkim and SPF setup. Everything works when I use only 1 IP/MX/hostname (e.g. mail.example.com). I try to enable another IP so the postfix could balance ...
1
vote
2answers
186 views

Postfix: mails sent through sendmail binary are blocked because of wrong HELO

My server is using Centos 6.5 I updated from Plesk 11.5 to 12 last week and postfix to 2.8.17. Since then, all mails sent using the sendmail binary (notifications, mail forwards...) are being rejected ...
0
votes
0answers
57 views

Postfix, schedule batches of email to be sent

Is it possible to have postfix limit the amount of emails it sends at once and when there is larger than x email, send them out in timed batches (wait 5 minutes, send another 50, something like that)? ...
0
votes
0answers
105 views

Adjust Authentication-Results header and verify DKIM reports are being send

i'm running OpenDKIM 2.9.1 through Postfix 2.11, using the following configuration. https://gist.github.com/sibok/97a8e33d5f7309b4fa1c As you can see i enabled DKIM reporting but i can't see any ...
0
votes
1answer
289 views

Having Trouble Setting Up CentOS Email Server

I'm having some trouble setting up a mail server on CentOS, as of right now, nothing is getting sent at all and I'm not entirely sure why, I've tried a few guides, but none of them seem to explain ...
1
vote
2answers
590 views

lost connection with mx.servername while performing the HELO handshake

I am new to administering a mail server so I am at a loss when the mail server can send to certain emails like gmail, telus, and shaw but not other email addresses. Just specific ones I guess. Here is ...
0
votes
2answers
188 views

Migrating old mbox format to maildir- preserving UIDL values

I am attempting to migrate several hundred email accounts from an old server running sendmail 8.13.6/dovecot 0.99.14 (mbox format) to a new server running postfix 2.6.6/dovecot 2.0.9 (maildir format). ...
0
votes
1answer
101 views

Sendmail has stopped working. Need advice with error message

So my server has stopped sending emails. Taking a look in /var/mail/www-data gave me some clues. The Diagnostic-Code shows this: Diagnostic-Code: SMTP; 553 5.1.8 Sender address ...
2
votes
1answer
80 views

Postfix not recieving mail from actual email but does from sendmail?

Ok so I'm trying to forward mail from my ubuntu server (lets call it example.com) to a external gmail account using postfix. The problem is when I send mail using another gmail and yahoo account to ...
0
votes
1answer
47 views

Rebuilding deceased email server: moving to postfix?

We had to relocate our servers to a new facility recently. After the move our email server ( sendmail, RHEL ) is DOA. I have all the files on tape but this gives me the opportunity to move to postfix ...
0
votes
1answer
112 views

Using the same url for incoming (imap), and outgoing (smtp) mail [closed]

I have setup a postfix daemon and I am able to send emails to an account, and I am also able to login via a mail client and get those emails. But what I'm trying to do is use the same url, e.g: ...
1
vote
1answer
26 views

How can I tell my server to allow logins via a mail client?

I am setting up my first sendmail daemon on centos, using virtual domains and emails. So far, I have got it working and emails sent from remote servers will make it to the inbox. The problem I have ...
1
vote
1answer
219 views

How send email from command line specifying the email subject and using postfix?

I installed Postfix, and get the /usr/lib/sendmail binary. What I want is send an email alo /usr/bin/printf "%b" "EMAIL_BODY" | /usr/lib/sendmail -s "EMAIL_SUBJECT" destination@adress.com But the ...
0
votes
2answers
196 views

sendmail is not delivering messages to recipients

I have run into a number of problems getting sendmail to work. None of the solutions I've tried have worked. First: sendmail was hanging for 60 seconds and then not sending the email. To solve this, ...
0
votes
1answer
92 views

Load balancing of recipients email adresses on Linux SMTP servers

Background information: We are a provider of web-hosting and email (among other services) and we need several load balanced SMTP servers to fix all our customers needs. The problem: Every once and a ...
-3
votes
1answer
221 views

Best Practice for Partitioning CentOS as a Mail Server? [closed]

I've got 8X HP900GB 6G SAS 10K SFF on a HP ProLiant DL380p , i am trying to find best practice to partition it's disk space for a mail server which will expand , while i've got so much i/o processes ...
2
votes
4answers
2k views

How I (simply) Forward All Incoming Email to an External Address (ie. Gmail)?

With Google Apps no longer being free for small businesses/teams, I'm left pointing my MX records at my application server. I'd still like to receive email at a Gmail address sent to the domain ...
0
votes
1answer
90 views

Email host rewritten by sendmail/postfix

I have a Postfix mail server running, and I'm trying to understand why emails sent to myself@example.com are actually sent to myself@some-server.example.com instead. On the command line, I send a ...
0
votes
2answers
228 views

Sendmail stopped working, millions of entries in mailq [duplicate]

Tests say my server isn't an open relay, but all of a sudden sendmail stopped working and I have spam like contents in my mailq: 5F543CE3A73 1000 Sat Mar 2 01:28:41 [REMOVED]@[REMOVED] ...
-2
votes
1answer
89 views

Sendmail still displays through telnet even though I'm using Postfix [closed]

I recently installed and configured Postfix, and removed every aspect of Sendmail that I could from my Debian x86 system. telnet localhost 25 ...still returns that I'm using Sendmail. I've ...
0
votes
1answer
275 views

Sending mail to an non-existent user, where should it go?

When I sent a mail from the command line, where should it end up? (I want to bounce all invalid mail from outside because, spam.) Is there a way for it to give an error saying the user doesn't exist ...
0
votes
1answer
114 views

Which reason types of bounced emails exist?

I need to get reason statistics for all bounced emails from mail.log. Which reason types exist?
0
votes
0answers
570 views

PHP can not send email using mail() - Recipient addresses must be specified on the command line or via the -t option

I installed postfix and when trying to send mail, I get the followig error:- fatal: Recipient addresses must be specified on the command line or via the -t option The code I used to send mail is ...
-1
votes
2answers
200 views

How to use postfix to send emails [closed]

I am trying to use postfix to send emails from linux host to my email address which is hosted on Microsoft Exchange Server. Linux host is on the same network. I do not understand all the detailed ...
2
votes
1answer
81 views

Rejecting bad attachments best practice?

When configuring a mail server, what is the best practice for rejecting an inbound internet email with an executable type I'd like to disallow? Easiest option is an NDR/DSN, but I'd think that could ...
0
votes
2answers
2k views

Php mail() headers not working properly with Postfix

I run Ubuntu 10.04 and installed a LAMP stack with a "satellite" Postfix (used as a relay for my ISP's smtp). In php.ini, I kept the sendmail pass to default so with -t -i arguments: ;sendmail_path ...
0
votes
1answer
170 views

Enabling per-virtualhost email relaying through external user/pass smtp relay [duplicate]

Possible Duplicate: Postfix configuration: different outgoing hosts based on sender I've got a problem that's driving me mad. Basically, I run 10 virtualhosts in a CentOS distribution. ...
0
votes
1answer
49 views

Does sendmail also receive mails?

Like the title says, do sendmail or postfix also take care of incoming emails? Cause I have a site which uses the email service from Amazon for sending emails, but Amazon doesn't also take care of ...
0
votes
2answers
4k views

How to configure sendmail (or postfix) to send confirmation emails using webmin?

have a centos 5.5 64 bit xen vps. I have a php script that automatically sends confirmation emails for people who sign up, it's not sending it right now, I've been told to install webmin, and then ...
0
votes
1answer
576 views

Configuring postfix on an Ubuntu (natty narwhal) Amazon Ec2 instance for php mail()

I'm setting up sendmail and postfix for the first time. I believe it's installed correctly, but I need assistance with the configuration. When I call mail(), I get the following in /var/log/mail.log ...
0
votes
1answer
212 views

getting PHP mail() to work when MX records redirect all mail traffic to another server. (Postfix, sendmail)

Some background info: I have a website (lets say 'example.com') running off a LAMP server (ubuntu 10.04), and all mail traffic is handled by an external email service. My DNS records are set so that ...
0
votes
1answer
985 views

Trouble getting Postfix working on Centos

I'm having problems getting PHP to send mail via Postfix on CentOS Linux 5.6. I've got Postfix version 2.3.3, which was installed with Yum. I also installed Dovecot as per a tutorial, though I'm not ...
-1
votes
1answer
233 views

Error while sending mail via PHP mail()

We use postfix and sendmail interface and are trying to send mails using the php mail() function and are getting the following error: Could not execute mail delivery program '/usr/sbin/sendmail -t ...
0
votes
2answers
1k views

Need an inhouse SMTP server for Applications that send Email Alerts

As the title implies, we're looking for an inhouse SMTP server to use for all our server applications that have Email Alert features (i.e. WhatsUp Gold, our Windows Storage Server reports, etc, etc). ...
-4
votes
3answers
241 views

using email client without POP IMAP access [closed]

I need to give a solution for a situation where sys admins have not enabled POP,IMAP access of mail server only web based access is allowed.At the same time some people would like for them to be ...
1
vote
1answer
250 views

Postfix mail queue is empty but emails keep coming?

I have typed in "mailq" in command line and it shows 0 mail in queue, however postfix is sending out emails every 5min. How is this possible? The emails were requested 1 hour ago by me during testing ...
0
votes
1answer
186 views

How to sign and encrypt all sended mail via sendmail\postfix

I have certificates x.509 for signing and enrypting outgoing emails. I want to create plain emails in some app (Ruby on Rails app in my case) and send it via sendmail with autosign and autocrypt ...
0
votes
2answers
530 views

How to make sure all mails using Postfix?

I'm using Ubuntu 10.10 32 bit. This is new server with nginx, php-fpm and PHP 5.3 I will install postfix. Currently the server can send mail (maybe sending through sendmail) but very slow until PHP ...
0
votes
2answers
114 views

sendmail (postfix) stopped delivering mails

how can I find out why postfix / sendmail stopped delivering mail? I tried to sendmail from the console, no errors showed but it has been nothing delivered... the same when by using mail() in php.. ...
0
votes
1answer
614 views

Postfix filter outbound mail with allow-only rules

Essentially I only want to allow my CentOS box to send mail to specific addresses (with patterns if possible). Such addresses would be: user@domain.tld user+*@gmail.com (in this instance I am ...
0
votes
1answer
560 views

xdelay and delay on sendmail commands under CentOS

I'm trying to figure out why on my new server (switched from Ubuntu to CentOS 5.5) that sendmail is delaying the command rather than queuing up messages. On my old server, it seemed that emails would ...
0
votes
1answer
536 views

Remove sendmail from listening on port 25?

I have tried and tried to remove sendmail (using debian) but it seems to not be gone. It is still listening on port 25, and I don't want it to be: zedsaid:/etc/rc2.d# lsof -i :25 COMMAND PID ...
0
votes
1answer
367 views

Webmin Monitoring - Sendmail and postfix

I have Webmin currently installed to help manage my CentOS server and I have configued it to send email alerts for different things, backups, service failures etc. However not one email is arriving in ...
2
votes
3answers
1k views

Django + sendmail + postfix

I've a Linode server and I've just deployed my application. A feature of my application is to send email notifications to users when an event is triggered. I want only send mail from my server, for ...
0
votes
1answer
804 views

Sending mails with Postfix from a DynDNS (sub)domain

I have a free DynDNS host/domain with an Ubuntu server. mydomain.dyndns.org I'm able to receive mails but I can't send emails from my domain. Most servers reject my mails because the domain doesn't ...
1
vote
4answers
191 views

What's a good tutorial that can help me set up an email server?

One that doesn't get marked as spam filters, of course. I'm familiar with Ubuntu, but have never messed with Postfix or Sendmail anything before. Basically, this is what I want: Have my own ...
4
votes
2answers
8k views

Minimum PostFix configuration for sending emails only?

My servers are currently on sendmail which is not very efficient. I'd like to migrate to PostFix. I'm using Google Mail for Domain for handling incoming email so I need to setup PostFix to send ...