0
votes
1answer
49 views

How do I stop SPAM from being sent from my server? [duplicate]

I have a VPS which I rent and it is running Centos 6. The VPS has ZPanel installed which is used to host some websites and emails. One of my clients has noticed thousands of 'undeliverable' messages ...
-1
votes
0answers
81 views

Can't receive mail, but can send mail? Centos 6 Postfix/Dovecot

I followed this tutorial to setup my webmail on CentOS 6: https://www.rosehosting.com/blog/mailserver-with-virtual-users-and-domains-using-postfix-and-dovecot-on-a-centos-6-vps/ Everything is setup ...
-1
votes
1answer
37 views

Sendmail emails going to spam [duplicate]

I have sendmail installed on CentOS 6 and whenever I try to send an email, it goes to spam on the recipient. (Gmail in this case) OK, so, the domain I was to send mail on behalf of is: scalpello.info ...
1
vote
1answer
37 views

Postfix from address changed, mail being bounced

I have an Apache server which has been happily sending emails for the past few years - earlier this week the from address on all emails sent by postifx has changed and, as a result, 99% of messages ...
-1
votes
1answer
35 views

How to use Exim/Sendmail to stop sending email and log it that arrived via a certain SMTP server?

I have multiple accounts on this cpanel box. if someone sends an email to one of the specific cpanel accounts, e.g. smtp.some-cpanel-account.com, then it must rather be blocked and logged to file. Is ...
1
vote
1answer
76 views

Restore Zimbra Mail Server from Server that crashed

I had a Zimbra installation which crashed due to Hard drive failure. The Zimbra was version 5. My backup was not good and so I did a fresh install and now I have managed to get the /opt/zimbra folder ...
-2
votes
1answer
58 views

Crontab not working to send email [closed]

I have CentOs 6.5 running on a VPS Host. I installed crontab and email using the below commands yum install vixie-cron service start crond chkconfig crond --levels 235 on yum install sendmail ...
0
votes
1answer
163 views

defer (111): Connection refused when trying to send mail

I am getting desperate for answers. The problem is simple, some email messages are getting stuck in our queue and hitting their retry limits, which ultimately end up in a never end deliverable bounce ...
0
votes
1answer
72 views

Postfix acting as spam server. Looks like it's part of a botnet, spam messages being sent to customers [duplicate]

Let me first start out by saying I am no mail guru. If you need more info to help me just let me know. This week the mail server has been having all sorts of strange issues. It has been duplicating ...
1
vote
1answer
137 views

PHPmailer won't authenticate on CentOS

I've seen this issue posted before, but haven't found an answer. My phpmailer script works on Wamp, but won't on Centos. I've disabled SELinux and IPtables just in case. I also ran "telnet ...
0
votes
1answer
290 views

'Please configure a fully qualified domain name' Error

I am running an nginx website on a virtual host and I am trying to set up iRedMail, but this is the error I get when running bash iRedMail.sh. < ERROR > Please configure a fully qualified ...
1
vote
1answer
194 views

When cron is completed How to get email notification and log in a file (both)

I am a Newbie to linux. I'm trying to figure out things. Can someone kindly help me how to combine these two commands? (1) Normally cron can results can be directed to a log file by editing crontab ...
1
vote
1answer
95 views

Deliver email from local development server

I'm working on a website development and need to test some email stuff (send email to register users just me and I'm using my personal email address for this purpose). I'm not an expert so I only have ...
0
votes
0answers
11 views

SMESERVER: Mail not receiving, 550 v=spf1 a -all (suddenly appeared 5/21) [duplicate]

My situation is exactly the same - SMEserver 7.51 (yes I know I need to upgrade) been running for years and I get the same spf error message back just starting Wednesday afternoon(5/21). I also tried ...
0
votes
1answer
142 views

SMESERVER: Mail not receiving, 550 v=spf1 a -all

SMESERVER install has been working find for an age then this morning "The error that the other server returned was: 550 v=spf1 a -all", can anyone 'point' me in the right direction to resolving this ...
0
votes
1answer
697 views

DNS Zone Record: How to set up MX Record correctly? [closed]

I've been search for this for quite a while, and tried many different examples for weeks (because I usually have to wait a couple hours for the DNS change). Nothing made my mail() in PHP as well as my ...
0
votes
0answers
32 views

Forward incoming email traffic

I have two CentOS servers - one for email and one for web hosting. One domain, which we do not control, has the MX record incorrectly pointing to the web host. What iptables config is needed to ...
1
vote
1answer
359 views

Postfix limit number of emails send in a month/Day

Is it possible to limit the users to send total email in a month/day. I am trying to enforced marketing users to send newsletter according to their assigned quota. Example 1. user1@example.com: can ...
0
votes
1answer
25 views

postfix multiple recipients for the one address

I'm running postfix on centos and in my /etc/postfix/address I have email@domain.com username which works and now I want two people to be on that list now. I've tried email@domain.com username, ...
1
vote
3answers
117 views

Despite of several attempts, unable to open port 25

This question may have been asked many times here but after several failed attempts, I repeat the history: How do I open port 25 port on my server running CentOS. Here is my iptables config: Chain ...
0
votes
0answers
58 views

How can I prevent Sendmail from cutting off SMTP error responses from a recipient MTA in maillog?

CentOS 5.x | SendMail 8.14 I've noticed that Sendmail will occasionally cut off SMTP error responses in logs. For example: Jan 10 05:55:55 foobox sendmail[20998]: s1CStsdli020998: ...
0
votes
1answer
84 views

Setting up server for Google Apps? [closed]

So I am currently running CentOS 6 and trying to figure out how to get Google Apps (gmail) to work. I am completely new to mail server software but have a general idea of how it works. What software ...
0
votes
2answers
1k views

Postfix server block outgoing fake domain permit only one domain

We are having postfix mail server in centos webserver. In that server users able to send from fake email id like admin@gmail.com and all. But I am having only one domain in that server, So I need to ...
0
votes
1answer
110 views

Sendmail server keeps relaying mail to wrong server

Email to my organization (mycompany.com) goes through 2 sendmail servers running on CentOs 5.6, mail01 and mail02. I've configured a new sendmail server, mail03, in a different site for DR purposes, ...
-1
votes
1answer
82 views

Can't send php mail() [closed]

I just migrated to a new server and apparently I can't send a mail. I've "ipb board" installed there and every time I send a mail I get the following in error_log sh: -t: command not found ls -l ...
1
vote
1answer
91 views

How to get different Received: from headers from each domain using Postfix Virtual Domain Hosting?

We have try to configure Postfix for multiple domain with dedicated ips. when i am sending mail from different domain webmail then header show same local or main domain name. Received: from ...
0
votes
0answers
24 views

Can sendmail be configured to “auto-bcc” outbound messages for journaling purposes? [duplicate]

CentOS 5.x / SendMail 8.14 I'd like to configure SendMail to auto-bcc all outgoing mail to a specific recipient address for the purpose of journaling/archiving. Can this be done WITHOUT a milter ...
0
votes
2answers
43 views

Is there a good way to prevent a server from emailing a specific address (we control both servers/apps)?

When testing a production app we occasionally need to pull from a live site and perform tests on a development server. There are quite a few email addresses stored in the database that we need to ...
0
votes
0answers
84 views

Cron Jobs unable to deliver email error report

I am sure I have right syntax and I am still unable to receive report emails to my email address. My OS is CentOS 6.4. My Crontab script is MAILTO="cron@mydomain.com" * * * * * /usr/bin/php5 ...
0
votes
2answers
70 views

Global Email Forwarding with EXIM?

Been trying to find a solution to this for a while without success so here i go : I was given the task to build a High-Availability Load-Balanced Network Cluster for our 2 linux servers. I did some ...
0
votes
1answer
157 views

Exim: refused connection from localhost [127.0.0.1] (tcp wrappers)

I did a reboot for my system and exim stopped working. I'm not sure what went wrong... tail /var/log/exim/main.log 2013-10-13 03:52:01 refused connection from localhost [127.0.0.1] (tcp wrappers) ...
1
vote
2answers
202 views

How to configure sendmail to only send to specified domains?

I have a local development server (centos) which I develop a number of websites on. Occasionally I need to test email sending scripts. I want to avoid the development server from sending emails to ...
1
vote
2answers
80 views

Getting the LDAP password from the LDAP Directory

First up, I know this question's got the potential to be downvoted and closed, nonetheless I think I will go ahead and ask it all the same because our issue is genuine enough. We have a mail server ...
0
votes
1answer
207 views

Email queue won't send - No disc space left (running Centos 6.3)

I hope anyone can help me out with the following issue. I'm no longer receiving emails because they are getting stuck in the email queue. I've tried the following: System reboot (even between the ...
0
votes
4answers
126 views

Suggestions to block mail relay attempts

I'm running postfix on CentOS and I'm properly rejecting relay mail requests, but my server is constantly... CONSTANTLY... receiving requests to relay mail. So, the mail logs fill up (not a huge ...
-1
votes
1answer
582 views

554 5.7.1 Relay access denied [closed]

I have been trying to fix my Postfix server, but somehow it still don't want to accept emails from any places. From gmail I get this error: Delivery to the following recipient failed permanently: ...
1
vote
3answers
1k views

Postfix email delivery problems - yahoodns

Looking for a little advice. We seem to be blocked by yahoo but I can't find anywhere online that provides a method to requesting unblocking. I should stress that port 25 is open (other emails are ...
2
votes
4answers
189 views

Implement server-side (CentOS) measures to prevent hosted mailboxes sending bucket loads of spam

We have a number of hosted clients on one of our servers. One client in particular, which has four active mailboxes is repeatedly getting just one (and always the same one) mailbox infected so that ...
0
votes
1answer
76 views

How soon after getting a 400-class SMTP error will SendMail try connecting to a backup MX record/host?

CentOS | Sendmail 8.14 Hi All, I couldn't find this in the batbook. If SendMail attempts to deliver an email to a primary MX record and gets a 400-class error back, how quickly does it try the ...
-1
votes
1answer
85 views

Email Split Delivery

I have 4 email accounts and out of those 4, 3 are hosted at my own server and 1 is hosted at Microsoft Exchange Online. What I would like to do is that I would like to deliver emails for those 3 email ...
0
votes
1answer
38 views

Email routing to local server instead of remote

I'm not an expert on servers but have identified an issue with my webhost and their email setup. I've approached the hosting company about it, but being Hong Kong based a language barrier is ...
0
votes
2answers
2k views

dovecot start “Address already in use” error

I'm currently trying to use some "me@mydomain.com" adresses on my dedicated server (Centos5). To do so, I'm tring to launch dovecot with /etc/init.d/dovecot start, but I get the following error ...
0
votes
2answers
116 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 ...
-1
votes
1answer
221 views

Postfix Relay access denied in centos

I have install postfix in centos 6.4 server and made changes in main.cf file like this. nano /etc/postfix/main.cf myhostname = server.kavirajan.com mydomain = kavirajan.com myorigin = $mydomain ...
1
vote
1answer
123 views

sendmail working for some emails

I use PHP to send email which uses sendmail. I noticed that some emails are not being delivered with the below errors in /var/log/maillog Example 1 stat=Unknown Sender Example 2 stat=Deferred: 450 ...
0
votes
0answers
713 views

Postfix not receiving external mail. Sending mail OK

I am having some issues setting up Postfix to receive mail on Centos. This is a web server that I'm setting up to only pipe mail to a php application so the server hostname is hostname.mydomain.com. ...
1
vote
3answers
910 views

Mail spam sending script injected

I apologize if this is already asked a million times. One of accounts on my server got hacked. An email spam sending script is injected and sending ton of emails to some random addresses. I have ...
0
votes
1answer
249 views

How does SendMail decide which connections are cached?

CentOS 5.x | SendMail 8.14.4 I'm trying to wrap my mind around how Connection Caching works in Sendmail. I'm experiencing some connection issues with some remote mail hosts that we communicate with ...
-1
votes
1answer
72 views

How do i get CentOS6 to send outgoing email to any email address? [closed]

I want to set up an email server to send email notifications only. I have postfix isntalled already. I have an email address admin@something.com with outgoing server abc.def.com using smtp port 465. ...
0
votes
1answer
155 views

Postfix blacklist not working

I am trying to blacklist some email addresses but I simply can't get postfix access to work. Can some point out what I might have don't incorrectly? Added smtpd_recipient_restrictions = ...