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

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6 views

sendmail masquerading doesn't change From address in envelope or header

I cannot find why masquerading isn't working for our server. I have been through a few dozen online explanations of the subject, here and on other forums, and according to them we are taking all the ...
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0answers
11 views

Sendmail and Postfix: Email Masquerading Issues

I'm trying to do email masquerading but it isn't working. Would having these entry prevent the email server from masquerading emails? # On our Sendmail server define(`SMART_HOST', ...
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1answer
12 views

Connection refused by [127.0.0.1]

I am not very good with email servers. Here is what I need: I have a mailbox at fastmail.com with my custom domain (let's call it example.com). Now I want to set up my web server to relay emails ...
1
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1answer
18 views

Is “QUEUE=” in /etc/sysconfig/sendmail the same as the “-q” switch in sendmail?

CentOS 5.x, SendMail 8.14.4 My Sendmail server is currently configured to retry deferred messages every hour. In /etc/sysconfig/sendmail I have the following: DAEMON=yes QUEUE=1h I don't see ...
1
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1answer
25 views

Is smart hosting to an A record a violation of RFC-5321 section 1?

I have a sendmail server configured to smarthost to a downstream resource. The configuration is currently: define(`SMART_HOST',`relay:[vip.example.local]')dnl Since it's sending the A record for ...
0
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1answer
10 views

What is the correct way to configure the SendMail SMART_HOST option to perform MX lookups?

I think this question is related to this post but I feel that it's different enough to warrant a separate post. I currently have my Sendmail server configured to send to a downstream VIP. In my ...
3
votes
3answers
56 views

How can I force sendmail to use SMTP instead of internal relay?

I have a web server that was blacklisted from sending email because it was responding to SMTP HELO with localhost.localdomain instead of the domain name of my server (we'll call it example.com). I was ...
2
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1answer
22 views

PHP/mail is sending emails to wrong mail server

Recently we have switched our email Exchange server from Intermedia to the Office 365. After that change web server (LAMP) is still sending emails to Intermedia. I have check dig MX for our domain and ...
4
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1answer
37 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. ...
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3answers
41 views

postfix or sendmail monitoring [closed]

I’m interested in alerting a support team in email when mail is backing up and not being relayed as expected, ie sending is delayed. I tried in nagios, there isn't any solution. I tried with logwatch, ...
1
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1answer
27 views

Restrict only 1 file to use sendmail

I want to restrict access to sendmail process, to only 1 php file /var/www/mysite/contact.php How can I do this? Maybe there is a trick with Iptables or sendmail configuration? I want to secure ...
0
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1answer
29 views

Sendmail sends unsolicited emails [duplicate]

I have a problem with sendmail. All of the sudden it started sending emails that its not supposed to send (obviaou spam messages about viagra, porn etc.). I checked some tools that supposedly check ...
1
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0answers
26 views

What is the best way to harden a postfix null client on an exploited php webserver?

We use postfix as a null client to send out mail from a php webserver via sendmail. We host our incoming mail servers elsewhere and use a SPF record to authorise the server to send emails from our ...
3
votes
2answers
182 views

Sendmail down on Ubuntu 12.04 after update, SSL related?

I posted this on askubuntu.com yesterday but haven't gotten any responses. We run a production Ubuntu server that serves thousands of people per day. Sendmail is currently not working on this server. ...
1
vote
1answer
19 views

How can I add an X-header to unix mailx?

I am attempting to add the x-header X-APP-VOLT: Yes to the header of my email with a .tar attachment. I only have access to usr/sbin/sendmail and mailx. I do not have root access so I can't download ...
1
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1answer
19 views

RHEL5 sendmail error: NOQUEUE: SYSERR(nobody): can not write to queue directory /var/spool/clientmqueue/

On my RHEL5 systems, sendmail stopped working after I installed an update. The new version is sendmail-8.13.8-10.el5_11. I got errors like this in the logs: NOQUEUE: SYSERR(nobody): can not write ...
3
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1answer
2k views

sendmail rejecting some connections with handshake failure: SSL alert number 40

My sendmail server on CentOS 5 started to reject some connections with the following message logged: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure:s3_pkt.c:1092:SSL alert ...
5
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2answers
197 views

Is there a graceful way to pick up new changes in sendmail?

Is there a graceful way to have Sendmail reload/process configuration changes from sendmail.mc without completely restarting services and potentially impacting smtp delivery that's in progress at that ...
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0answers
39 views

intermittent authentication failure sending SMTP with applemail

I have a client that has issues authenticating sent mail using applemail. When I check the logs I frequently see things of the nature below. IP's changed to xxx and isp anonymized Jun 19 11:07:38 ...
-1
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1answer
35 views

How to process sendmail queue when 25 port is blocked? [closed]

I have one VPS which forwards e-mails from one mailbox to another. Unfortunately ISP have blocked 25 port last week and since then I can't receive any e-mail from it. According to mailq there are ...
1
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2answers
52 views

How to verify if my postfix uses really TLS to send outgoing mails?

I successfully installed Postfix on my VPS. I would like to send encrypted email. I installed all certificates and private keys and set my conf file: smtpd_tls_key_file = <path to my private ...
0
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1answer
46 views

SMTP-Mailing with PHP works - but not with PHP-Cli

I mentioned a strange behavior on my webpage: If I try to use Joomla to send Mails via SMTP it works fine; no problem at all. But: If I try to use a PHP-CLI-Script the action fails (same source ...
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0answers
31 views

Sendmail is taking huge amount of CPU [duplicate]

My dedicated server is slowing down since 2 days. I checked the RPM and the CPU usage has gone from less than 10% to more than 50%. Rebooting the server didn't help. So, I tried top command: top - ...
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1answer
50 views

VPS Cron and other email going to spam folder [duplicate]

I have a new vps and I need to setup some cron jobs on it to notify me of what's happening on the server. I've tested with sendmail and emails are indeed leaving the server, but on my email they are ...
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0answers
15 views

sendmail appending domain on top of another domain

Need your help in sendmail, as im stuck with this issue for more than a week. Currently im facing issue with sendmail in RHEL5.9 OS i have my sendmail configured to send email to outside world. And ...
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2answers
97 views

Centos 6 - Postfix wont send to own domain without flag

I am moving a site to another server and am having an issue with PHP mail. But only when sending mail to the host domain e.g anything@example.com. mail($send_to, 'Web contact' ,$message,null,"-r ...
2
votes
2answers
57 views

how to stop cron mail receiving in spam folder?

I have added a cron job for my incremental backup, and I configured it like this.But my mail goes to spam folder.so iclick not spam option in mail.it moves to inbox.but again it receives in spam 0 23 ...
2
votes
1answer
39 views

Postfix, ruled based filtering independently for each user

I managed to create successfully a white-list sender email filter see: here. My goal now is to have separate filter for each user. I would like to filter out all the emails based on the rules created ...
0
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0answers
42 views

Sendmail internal relay to sharepoint 2013

We have a sendmail server which we use for all of our automatic/service accounts to be alerted. This sendmail domain is different from our exchange servers. For example server maintenance or ...
1
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0answers
53 views

mail send format issue in different linux servers

I have created a send mail script which will run on couple of my client servers. The mail was sent correctly in couple of servers but in some servers the format we receive is not what what we ...
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0answers
52 views

Is it possible to set the return path to the sender with sendmail?

I'm sending mail with sendmail and PHP. Currently the return path is set to one address for every mail : sendmail_path /usr/sbin/sendmail -t -i -f hello@test.com but I wish that the sender receives ...
0
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1answer
48 views

How to set up separate relay for sendmail outgoing mail to foreign domains

I have FreeBSD 10.1 and sendmail 8.14.9. Assume my host is "myhost.mydomain.com" and I want: All mail destined for hosts in "mydomain.com" to go to "mail.mydomain.com" while appearing to originate ...
0
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2answers
58 views

sendmail/exim4 two servers one is send-only

We have the following setup: One web-server on Debian with PHP on the main domain, that can send emails, but must not receive. It has exim4 installed. Let's call it example.com One mail server on ...
9
votes
3answers
576 views

Removing apache@localhost from email headers?

My setup: I'm running a Magento website on an Amazon Linux server (which seems to basically be CentOS) with an Apache webserver. I also use Google Apps for managing mydomain.com's mail. I was able ...
0
votes
2answers
106 views

Can I use /etc/aliases for multiple domain mail server?

I have server1.com and server2.com both pointing to the same server. I wish to make all email sending to @server1.com and @server2.com going to the same mailbox in that particular server. I searched ...
0
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2answers
139 views

sendmail: why the error codes from error:nouser and no user differ?

With sendmail 8.14, when there is no user at a given domain, the error that sendmail seems to produce is as follow: 550 5.1.1 <info@example.su>... User unknown However, if you use the ...
0
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1answer
36 views

prohibit .doc/.zip attachments in sendmail [closed]

How do you prohibit .doc and .zip attachments with sendmail 8.14? I'm looking for a solution that will automatically fail to accept a message in the presence of such an attachment, never accepting ...
0
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2answers
177 views

Configure Exim to send to internal & external addresses

I inherited a web site that's apparently using Exim as its MTA. Let's say that we can access the site at: http://example.com/ The users who work at Example Corp. noticed that they did not receive ...
0
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0answers
37 views

sendmail process seems to hang

I got a centos machine that I am configuring send mail for. It has been working for the past couple of weeks. But around last week suddenly the sendmail stopped sending emails. var/log/maillog doesn't ...
1
vote
2answers
135 views

PHP Mail Delayed Shared Hosting [closed]

I'm developing a Drupal site on very generic shared LAMP hosting. My client insists on using the shared hosting company for some reason. (Is it OK to mention the hosting company?) E-mails are sent ...
0
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0answers
83 views

gandi sendmail tls slow

I set up a Debian with Sendmail && SSMTP to be able to send mail through my Gandi Mail Account. It works fine, except that the authentication took like 5 seconds to be established which can ...
0
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1answer
23 views

configuing sendmail to use virtual hostname

My CentOS server has several IP addresses. There are different virtualhosts configured per IP address on apache. When I send an email via PHP/sendmail, I want that sendmail uses the hostname that is ...
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0answers
48 views

Foward all mail to smarthost and use fetchmail to fetch mail from isp

I want to setup a mail server. Problem is their domain is part of a national company and all the branches use the same domain. The setup we are using for the server consist of SOGo, Dovecot, ...
2
votes
1answer
46 views

Catch incoming email and then deliver to original recipient on sendmail

in the company I work for there are a user that is making bad use of the email, but to have evidence of what he is doing we need to intercept all the incoming email to him and all outgoing email from ...
1
vote
1answer
159 views

Error when sending mail from command line as non-root user

I'm trying to send mail from the command line as a non-root user on CentOS. I'm using the following command but getting an error: $ echo test | mail -s "test" to@example.com -c cc@example.com ...
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2answers
633 views

iptables: open port 25 CentOS 7 [closed]

I have problems opening port 25 for sendmail on my CentOS 7 machine. Here's my iptables configuration: *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state ...
-1
votes
1answer
49 views

Disable sendmail

I am setting up a Debian web server for testing and want to disable mails of any kind being send thorugh the server. I think I just have to uninstall sendmail, will that be enough? Will it affect ...
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votes
1answer
131 views

Sendmail - How to relay / send emails ? (503 error: not authorized, use AUTH)

I have been following a how to for setting up sendmail using a smart host ssrs.reachmail.net, However I cant seem to successfully send a email from my server to my gmail account. I think I'm ...
0
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1answer
128 views

CentOS email setup for Wordpress

I am moving an old Wordpress install to a new CentOS LEMP stack VPS. I want to set up email for the new VPS. It came with sendmail installed by default but I find it to be overkill. I just need a ...
1
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0answers
24 views

Using DeamonPortOptions to fix DKIM signing with genericstable masquerading

I'm sending mails from my debian server with sendmail. I want to be able to send mail with multiple domains using masquerading with genericstable. I am signing the mails with OpenDKIM but because ...