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

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1answer
28 views

Why is sendmail calling dns_getcanonname for domains of non-recipients in the To: header?

We've noticed an occasional repeatable problem in our sendmail config. The scenario is we receive a message from the internet with one of our users in the To: list, and one of the other users in the ...
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0answers
12 views

How to create a catchall email address through Webmin?

I've searched quite a bit, and haven't found anything very straightforward. I'm using webmin 1.750. Some people said to install postfix (I have now done this). Should I be doing it through postfix? ...
5
votes
5answers
17k views

how to fix “send-mail: Authorization failed 534 5.7.14 ”

I am trying to create e-mail alert on ssh root login so I had to install ssmtp and mail utility. Then I configured ssmtp.conf file as follows : # Config file for sSMTP sendmail # The person who gets ...
2
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3answers
202 views

What is the sendEmail equivalent on CentOS 7?

I am trying to follow the steps below. But there is no sendEmail on CentOS 7. I have looked at a few alternatives like Postfix, but I am not sure of the script commands. Alternatively you can use ...
0
votes
2answers
1k views

Email not being relayed from EC2 Amazon Linux Instance

I'm trying to send email from my EC2 instance. Regardless of the target email address the SMTP service logs show that the email is sent but it never turns up on the remote server. I've done a ...
18
votes
5answers
12k views

php mail() function painfully slow on local development machine

Background: If you have set up a local apache server for development purposes you may have run into the problem where sendmail takes a long time (at least one minute) to send emails. This is extremely ...
2
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1answer
25 views

Send mail service start error

I installed sendmail on CentOS based on some tutorial. When I start sendmail, it showing sendmail failed error. Here the following command result: systemctl status sendmail sendmail.service - ...
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0answers
28 views

relay=mailstore1.secureserver.net., dsn=5.0.0, stat=Service unavailable( gettting 554 error ) [closed]

i hosted my server example.com on digitalocean.com. And take business mail from godaddy. when i send email to info@example.com from gmail or any other server then i got a email. but when i try to send ...
2
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1answer
1k views

Deliver mail to virtual users with sendmail and dovecot lda

I'm trying to migrate our linux system user based post system to virtual users. I have sendmail with procmail delivery dovecot system users with different uids roundcube web interface Sendmail ...
4
votes
2answers
4k views

Sendmail Configuration for Exchange Server

i need help for sendmail configuration in our linux machine. Here the things: I want to send email to outside by using our exchange server as the mail relay.But when sending the email through the ...
1
vote
1answer
28 views

How to read contents of email in Sendmail

I work for an ISP in Australia. Recently a users account has been comprimised and is sending spam. How can I read the contents of a mail item in the mailq to find the authenticated user which has been ...
1
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3answers
4k views

“cannot open '/etc/mail/trusted-users': Group writable directory”

[root@arcade mail]# ls -l /etc/ | grep mail; ls -l /etc/mail; service sendmail start drwxr-xr-x. 2 root root 4096 2011-01-27 20:06 mail -rw-r--r-- 1 root root 272 2009-11-17 21:13 ...
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2answers
36 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 ...
1
vote
1answer
48 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 ...
1
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1answer
13 views

Forget forwarded emails delivery errors

I have problem with configuring Sendmail, I've read a lot of topics on the net about similar problems but I didn't found a good answer for this scenario. Main problem is that my server has poor ...
7
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3answers
8k views

How to Specify outgoing HELO with sendmail?

How do you specify the FQDN (Host and Domain Name) that a mail server presents itself as in HELO/EHLO when sending outgoing email with sendmail?
0
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2answers
68 views

Configure sendmail on RHEL 6.3 to send email using my Microsoft exchange account

I need to send email from RHEL host running 6.3 to my microsoft exchange email ID. Can any one please help me with detail steps for the configuration. I am new to Linux so tried some steps from ...
0
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1answer
142 views

sendmail TLS issue

I have a user that cannot authenticate. What I am getting is: did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA I have SASL installed for plaintext passwords. Can someone please point ...
0
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1answer
30 views

Force PHP mail to avoid using postfix root@myorigin; use /etc/mailname instead?

I recently posted an issue setting up a mail server with postfix and virtual aliases. I solved the problem here: Postfix/Dovecot - Multiple Domains and Multiple Linux Accounts To sum it up, I set ...
0
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0answers
18 views

Forward and delete all mails in a mailbox (linux)

I've had some configuration issues with my postfix-mailserver. Apparently A LOT of messages have been sent from other mailservers, to my postmaster address. I've already managed to redirect all ...
0
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0answers
208 views

Using Fake Sendmail with PHP

When attempting to send from PHP via sendmail it just hangs. Using IIS sendmail.ini is setup correctly because from command line I can send a test email via the following sendmail -t < ...
0
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1answer
941 views

How can I forward email to a perl script on Linux?

I would like all mail sent to a particular alias on a Linux machine to be processed by a perl script but sendmail is giving me a "Service unavailable" error and I don't understand what I'm missing. I ...
0
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1answer
4k views

NOQUEUE: SYSERR(root): opendaemonsocket: daemon MTA-v4: cannot bind: Address already in use

I have an issue with sendmail on my server (ubuntu 12.10) with php, mysql,and wordpress installed. Basically I want to create a contact form in my blog to receive emails from visitors directly into my ...
0
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1answer
43 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 ...
0
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2answers
1k 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 ...
0
votes
1answer
2k views

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 ...
0
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1answer
36 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 ...
0
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0answers
26 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', ...
3
votes
3answers
76 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 ...
1
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1answer
22 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 ...
0
votes
1answer
16 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 ...
2
votes
1answer
30 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 ...
3
votes
1answer
4k 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 ...
4
votes
1answer
47 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. ...
3
votes
2answers
270 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. ...
0
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3answers
48 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, ...
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votes
1answer
3k views

sendmail failed to send mail: domain-does-not-exist error

I configured sendmail to send mail with a Gmail smtp relay, following the instructions in this article. But when I try to send mail, it gets rejected. The error message is: The original message was ...
9
votes
3answers
799 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 ...
1
vote
1answer
29 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
votes
1answer
33 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
vote
3answers
2k views

maillog “No route to host” error

I have a CentOS server. It has sendmail installed but not used for a mail server. I forwarded the root email to another email address. However, I keep getting errors in maillog: Dec 6 08:49:16 ...
0
votes
4answers
857 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 ...
27
votes
6answers
99k views

Where to check log of sendmail?

I can't send out emails, need to look into the logs, but where is the log?
1
vote
1answer
30 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 ...
5
votes
2answers
200 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 ...
1
vote
1answer
28 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 ...
1
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2answers
65 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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0answers
45 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 ...
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1answer
40 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 ...
0
votes
1answer
57 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 ...