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

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9 views

how do i modify mail(envelope and header) as using mailfromd

I`m trying to modify mail(header,envelope) while using mailfromd. These are my questions: I found "Envelope Modification Functions" in library following as rcpt_add and rcpt_delete. Is there no ...
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14 views

Sendmail sending to the wrong email

I am using Sendmail to send emails. I am using SMTP via a PHP script (contact us page) on my server to send email. I configured the script to send the email to two different addresses: ...
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0answers
15 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
45 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
56 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
60 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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0answers
15 views

I can't find executable file for sendmail? [closed]

I did a source install sendmail 8.14.4, and BerkeleyDB.4.1. Has been the installation successfully compile . As far as I know, With the installation of the source, And made ​​a copy to /usr/sbin/ ...
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2answers
39 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
25 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
22 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
49 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
38 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
47 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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1answer
60 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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17 views

Local SMTP Server — prevent spam flag? [migrated]

I opened up port 25 on my router, so now I can use sendmail to send email. However, the emails I send are being marked as spam by my personal gmail account (understandably). The "from" field defaults ...
2
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0answers
20 views

where does Cron look for the default mail binary? [migrated]

I have setup Cron Jobs to run inside a Chroot Environment, depending on the User/Group; I have noticed that these cron jobs, running inside the chroot environment, fail to send any mail. Log files ...
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1answer
32 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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40 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)? ...
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1answer
70 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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22 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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31 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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2answers
31 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
106 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
102 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 ...
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1answer
37 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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24 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
29 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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30 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
141 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! ...
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1answer
37 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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0answers
29 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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20 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
42 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
46 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
27 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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41 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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72 views

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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2answers
918 views

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
178 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
30 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 ...
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1answer
50 views

How can I configure Sendmail to use the From address as the envelope sender?

My Sendmail is using daemon-user@internal.hostname.example.com as the envelope sender on messages my server generates using /usr/bin/sendmail. I want it to get the address from the From: header in ...
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76 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
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1answer
20 views

Understanding sendmail -bt in conjunction with aliases

I'm familiar with exim and the behaviour of exim -bt in indicating how a message will be routed. I'm trying to set up a trivial sendmail configuration to route root mail on a local system to my ...
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1answer
59 views

Linux 25 port routing (tunneling/forwarding)

I have: 1) Centos server 1 with postfic/dovecot mail servers IP1 45.45.45.45 (DNS: host1.com.ua) server 1 cannot make outgoing request to 25 port because Internet Service Provider block it! ...
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1answer
51 views

mails doesn't fire from php script - some issue with vps configuration

I am unable to fire any email from the php scripts on my vps server. I went to check in the logs and found this: Mar 26 05:53:30 corporatepixels sendmail[23772]: STARTTLS=client, ...
2
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1answer
23 views

Sendmail alias for all mail users in the domain

Is there a way to make a global alias in Sendmail so it would send email to all users? I tried to create an alias and included the list of all my users, but when I try to process it by m4, I receive ...
2
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1answer
59 views

Disable mailing in cron globaly

The web is full of suggestions how to disable mailing in cron like asked here stop linux from emailing me cron errors?. Is there really no global config flag I can set to disable mailing in cron for ...
0
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1answer
56 views

How to setup my email infrastructure (small company) [closed]

I am new to the field and I am trying to learn. I have a domain name (let's say mydomain.it) registered with Company A. Company A provides me both a DNS service and a Mail service. I use the DNS to ...
0
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1answer
194 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 ...
4
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1answer
65 views

Where is the email bounce sent? To the @domain or to the IP that sent it?

When I send an email from noreply@mysite.com to user@yahoo.com and I use that VERP bounce format like bounce+user=yahoo.com@mysite.com Is this bounce back sent to the mail server in DNS records of ...