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

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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 ...
-1
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0answers
16 views

Limit php mail to local delivery only cPanel /WHM [closed]

cPanel based hosting - I need to configure the servers so any php based email will only deliver to local email accounts. This is so things like contact forms will work but php mail can't be used to ...
3
votes
1answer
32 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
13 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
vote
1answer
10 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
votes
1answer
485 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
votes
2answers
188 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 ...
0
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0answers
23 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
votes
1answer
29 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
32 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
28 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 ...
1
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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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votes
1answer
40 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 ...
1
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0answers
12 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 ...
1
vote
2answers
79 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
41 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
36 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
32 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
vote
0answers
40 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 ...
0
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0answers
43 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
votes
1answer
40 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
46 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 ...
8
votes
2answers
394 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
77 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
95 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
32 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
votes
2answers
108 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
34 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
95 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
72 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
votes
1answer
22 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
41 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
41 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
113 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 ...
-4
votes
2answers
453 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
41 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
96 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
votes
1answer
102 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
vote
0answers
22 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 ...
1
vote
2answers
2k views

AOL bounces with: AOL will not accept delivery of this message [closed]

AOL started bouncing emails from my mail server with the following error: 521 5.2.1 : AOL will not accept delivery of this message. 554 5.5.0 Remote protocol error On the troubleshooting page AOL ...
5
votes
1answer
137 views

Postfix stops picking up mails at night

Our postfix system stops sending mails at night. Every night at 2am it stops picking up mails. The server is a monitoring server, which sends a lot of mails per day. /bin/mail drops the mails in the ...
0
votes
1answer
26 views

Mail delivery hindered by alias?

Account info exists for receiving email. However, all mail sent to info is delivered to root. It looks to me this is because the following aliases exist (as shown by praliases): info: postmaster ...
0
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0answers
34 views

Masquerating with Sendmail and signing after with OpenDKIM

When I send mail from my accounts linked with my first domain, signing with OpenDKIM works great. But when I send mail with my accounts linked with my second domain, I use the genericstable FEATURE to ...
0
votes
4answers
547 views

Postfix 2.9 or sendmail, outgoing spam prevention (check if sender exists)

Operating System: Linux Ubuntu 12.04 TLS Context: Plesk 11.5 Utility: Postfix 2.9.6 (updates restricted by Plesk 11.5 distribution) I would like Postfix to check the 'sender' field of every ...
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votes
1answer
52 views

How to config sendmail to accept emails only from trusted email servers

If I have a list of trusted email servers, is it possible to configure my sendmail server to accept emails only from the trusted severs? How do I do that?
1
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1answer
219 views

How to interpret postfix logs on Ubuntu

I just installed postfix on my server which runs Ubuntu 14.04.1 LTS. I am a little confused as to how I should interpret the postfix logs located at /var/log/mail.log. Firstly, one of the reasons I ...
0
votes
1answer
28 views

sendmail does not perform masquerade

I hoped that following the reply in question: Sendmail configure masquerade domain, would help me too, but it (still) does not. On the server account: test exists. The server (amongst others) is ...
0
votes
2answers
337 views

sendmail & sasl auth on CentOS 6

I'm moving a mail server from one CentOS 6 to another. I use sendmail with sasl pam authentication. When I try to send mail it fails because the user is not authenticated and the mail client does not ...
-2
votes
1answer
59 views

sendmail: rewrite envelope info while travelling

I run my own sendmail mail server at my office which has been functioning perfectly for years. I recently noticed that when travelling, my emails to friends are sometimes bounced - often due to the ...
4
votes
1answer
296 views

Sendmail is not listening to any port

I am using VPS hosting with CentOS 6. I've installed Sendmail, but it's not listening to any port. I've checked, IPTables is disabled (or stopped I guess; service iptables status command returns ...