General purpose email routing software that supports mail transport via TCP/IP using SMTP

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Setting up ubuntu to send mail from PHPMailer

I have a small server, inside the company where I work, which has an app that needs to send email to notify users for different reasons. I'm using PHPMailer to do this. But as I suspected, I need to ...
2
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1answer
95 views

Need linux milter solution to log email body into database

We exchange emails with various clients and vendors. I am trying to implement a solution where all the email communications between our rep and the client or vendor is saved in our database so in our ...
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227 views

Sendmail in Ubuntu always fail [outgoing SMTPS(465)]

I'm using sendmail in ubuntu hosted at amazon ec2 hosting. Also I have a paid account (domain) in godaddy, so I want to use godaddy as relay host. I did EVERYTHING based on this tutorial: ...
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117 views

Sendmail on CentOS 6, with SRS

I do some mail forwarding, but I'm also a big fan of SPF; I'm aware that I have a problem. While my mail server was running Centos5, I was using pysrs as a milter, and it worked well - but it hasn't ...
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428 views

Emails can't download to Outlook (dovecot, sendmail, CentOS)

I installed dovecot with yum install dovecot Added the following configuration options to /etc/dovecot/dovecot.conf: protocols = imap pop3 lmtp disable_plaintext_auth = NO listen =* To ...
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218 views

sendmail only connects to localhost

I tried to solve this issue exactly for 7 hours, no luck. I tried postfix at first for several hours, finally I understood that SSL/TLS is deprecated in postfix and I kept receiving "unimplemented ...
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1answer
63 views

Does sendmail send everything to downstream smarthost in “single file”?

CentOS 5.x / SendMail 8.14.x I have a SendMail server that delivers all outbound mail to a downstream smarthost in the cloud: define(`SMART_HOST',`relay:[example.blah.com]')dnl example.blah.com ...
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2answers
218 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. ...
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1answer
520 views

Abnormal sendmail activity using up the server memory on my Ubuntu 12.04 server

Environment Rackspace Ubuntu 12.04 Wordpress MySql The issue I have been experiencing quite serious out-memory-issues in the last couple of days. While I resolved one possible cause the issue I ...
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1answer
1k 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 ...
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2answers
77 views

Routing mail from domain to external provider

I have a server with hostname and DNS example.com. I also have a google apps account for user@example.com. I have my MX records setup correctly and I can send and receive emails to and from ...
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1answer
1k views

Understanding service --status-all output

I am trying to understand the output of the service --status-all command on Ubuntu 13.10, since the man page doesn't explain it. For example: [ + ] rsyslog [ - ] sendmail [ ? ] sendsigs [ + ] ...
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7k views

Need help configuring Sendmail relay/Connection refused errors

I am running Ubuntu 10.04 with Sendmail in a VMWare VM. In my mail.log file I have thousands of Connection Refused errors, and I'd like to get rid of them. There are multiple errors each second and ...
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1answer
36 views

How can I determine how many instances (DaemonChildren) of Sendmail were created at a specific historical point in time?

CentOS 5 / Sendmail 8.14 I'm researching an intermittent issue that may be caused by too many instances (DaemonChildren) of Sendmail getting created. Is this information documented in the logs ...
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102 views

Prevent abuse of sendmail for spam

In web servers that host many websites there is always the possibility of a hacked site being abused in order to send spam mails with some kind of php mailer bot. In my case sendmail is configured ...
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1answer
139 views

What can cause an intermittent broken pipe error with a SendMail milter?

CentOS 5 / SendMail 8.14.x I'm noticing intermittent errors with a milter on my SendMail server. Here's an excerpt from the maillog (I've edited hostname, QID, milter name, and recipient address to ...
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1answer
704 views

How to configure sendmail properly with PHP on EC2 (no SES)?

I have been struggling with sendmail for couple of days with no luck. I am trying to setup relay host, after following the answers in this question ...
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1answer
287 views

Should DNS A timeout to result in permanent email failure?

Occasionally an email does not get through when sent to a recipient who uses the outlook.com system for their email server. Their MX record resolves fine, but their A record (something like ...
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2answers
1k 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 ...
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2answers
73 views

Forward and delete all e-mails using sendmail

I'm using Amazon EC2 instances with a preinstalled sendmail for some application testing. As this is a testing system which might send some e-mail I want to delete and in the same moment forward all ...
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1answer
642 views

Exim4 envelope-from using PHP mail()

I've set up an exim4 server for sending email only on Debian Sid. If I just send an email it works fine and the email is delivered in my inbox. However, if I send an email using WordPress it is ...
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1answer
85 views

Send email from main domain using exim4

I've installed exim4 on my server to send email for server messages, registration messages, lost password messages etc. My server's FQDN/rDNS is mail.example.com, which I also entered during the ...
2
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1answer
318 views

How can I enforce TLS in sendmail when I don't necessarily know the hostname of the downstream MTA (only IPs)? [e.g. by recipients' domain]

I'm running SendMail 8.14 and have some custom static routes for sending to certain domains. These domains are "internal" but not managed directly by me. Here's an example of ...
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1answer
182 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 ...
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3answers
297 views

Same SMTP server, Microsoft Exchange reaches recipient but sendmail does not

I debated the question title for a while but I think this about explains the question. Feel free to edit it if someone has a better title. Environment: Microsoft Exchange 2010 and sendmail. Problem ...
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3answers
2k 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 ...
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1answer
51 views

What are some useful email reports to monitor in an SMTP/email environment?

It's possible to generate dozens of email reports in a given SMTP environment, and I'm interested in learning what reports are common in large installations and how they are used. Examples: ...
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1answer
171 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
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1answer
119 views

Is it advisable to use virtual Linux server installed on i5 / 8GB / 500GB desktop class computer? [closed]

We have CentOS 4.3 P4 / 512MB /Linux server installed somewhere in 2006-7. This machine has three network interaces for leased line, broadband (backup) and LAN. We use Sendmail, Fetchmail, NAT, Squid, ...
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48 views

Sendmail smarthost making my big mails sent AND stuck

In order to send my mails from my local Sendmail server to external address, I make it connecting to an authentified SMART HOST provided by my ISP. The sendmail.cf has the following DS line : ...
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127 views

Move spam from dovecot public folders

I have set up Dovecot with public folders on a CentOS 6-server, with sendmail and spamassassin. I'm getting a lot of spam in both public folders and in the users inboxes. I want spamassassin / ...
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83 views

Revover original email from Sendmail log

I have a website the contact form has been failing silently for two weeks (Wordpress + Contact form 7). Apparently updating to Contact Form 7 made the assigned email to fail ...
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3answers
727 views

Server being used to send spam mail. How do I investigate?

Problem I think my server is being used to send spam with sendmail, I'm getting a lot of mail being queued up that I don't recognize and my mail.log and syslog are getting huge. I've shutdown ...
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1answer
752 views

relay to external network smtp server using sendmail as mta

I am banging my head on desk for this. My linux system is on local network where as my smtp server is on different network. Is there any way that I can relay mails from my local machine to this remote ...
0
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1answer
215 views

Sendmail.mc: alias all incoming e-mails to one account

I need to alias all mail coming from another SMTP server to this one account "myinbox". The system in question is to receive all e-mail on the domain, if that's any help. ...
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59 views

How can I limit the amount of messages SendMail will recieve in a single incoming connection?

Is there a way to limit how many messages can be received by SendMail in a given SMTP session? I have a SendMail server and an upstream application server is trying to send dozens (potentially ...
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1answer
231 views

Sendmail configs and logs look correct, but I get no mail

I used this tutorial to config sendmail on Ubuntu. Followed every step and when I test it, it seems to have worked, but I get no mail (not even on the spam folder) Below is the log for a test ...
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295 views

Sendmail and Dovecot almost working but not quite

I have set up dovecot as suggested here. Mail is delivered to the correct directory and I set my mail_location as suggested: Dovecot -n yeilds this: disable_plaintext_auth = no mail_location = ...
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1answer
2k views

Sendmail: DSN: Service unavailable

I've been having trouble getting my server to send email and I haven't for the life of me figured out how to fix it. If anyone could give me some simple pointers, that would be muchly appreciated! ...
1
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1answer
388 views

Plain-text login with sendmail and SASL, Ubuntu 10.04

I'm trying to configure sendmail with a smarthost. I mostly followed this guide (although I understand it is written for Scalix). SMTP server uses plain-text authentication. However, when sendmail ...
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76 views

AWS Linux/Sendmail/dkim-milter — how to troubleshoot?

I'm trying to get Sendmail to use dkim-milter on an AWS Linux instance (similar to RHEL/Centos). I've been trying to use these directions, which are a bit out of date, but which seem to work: ...
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26 views

Configuring sendmail for local delivery

First, I've probably worded that improperly, because Googling keywords like that has gotten me nowhere. What I want to be able to do is deliver mail to various hosts on a LAN. So let's say I have ...
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1answer
457 views

Unable to clear sendmail mqueue-client

drwxr-xr-x 2 smmsp smmsp 4.0K May 6 23:31 mqueue drwxrws--- 2 smmsp smmsp 29M May 8 10:40 mqueue-client As you can see mqueue-client is filled with 29 megabytes of unsent mail. This seems to ...
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2answers
710 views

Sendmail Keeps Listening Local IP

I'm running RHEL 6 and already done the following modifications : [root@ark mail]# grep 0.0.0.0 sendmail.mc DAEMON_OPTIONS(`Port=smtp,Addr=0.0.0.0, Name=MTA')dnl [root@ark mail]# make sendmail.cf ...
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1answer
51 views

What is the maximum message size that SendMail can successfully receive and where would the bottlenecks be?

CentOS 5.x | SendMail 8.14 I'm curious - what is the largest message size that SendMail will successfully accept from an upstream source via SMTP? The tweaking config options page indicates that by ...
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283 views

mailx does not deliver mails anymore

On my Solaris machine, mailx suddenly stopped delivering mail messages. When running the following sample command: echo "test" | mailx -vvv -s "test" [reciever] I get the following output: ...
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force sendmail to not use machine's hostname for local domain

Our webserver just changed its name from old.example.com to new.example.com. There is already a mail domain called new.example.com on another server. Now sendmail is confused, because it considers any ...
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openssl update 1.0.1f to 1.0.1g broke sendmail (SSL23_GET_SERVER_HELLO:tlsv1 alert decode error)

Two days ago I updated openssl 1.0.1f to 1.0.1g. Everything seamed to be fine. But after a while an error popped up in sendmail log: Apr 10 10:13:45 mail sendmail[17568]: STARTTLS=client, error: ...
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2answers
1k views

Sendmail Domain of sender address does not resolve. Unable to send any emails.

I've got myself in a muddle with Sendmail. I've newly inherited responsibility for an app that uses sendmail and I have no previous experience. I'm using Ubuntu Ubuntu 10.04.4 LTS. Recently we ...
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1answer
41 views

How to send all email coming into Debian to a PHP script?

How can I send ALL email coming into Debian to a PHP script? I have exim4 installed, but when i send en email to username@ipaddress nothing happens! I've tried a few exim4 configuration tutorials ...