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

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2
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2answers
648 views

sendmail: website and email on same domain/server

I am using sendmail for my website, my email address is also using the same server name. So, www.zedsaid.com and nic@zedsaid.com. Sendmail seems to not want to actual deliver the mail to my inbox, ...
2
votes
3answers
454 views

Sendmail local domain is hosted externally e-mail fails :(

I have sendmail which works great sending to external domains, but for its own internal domain it tries to deliver mail locally instead of externally based on the MX records. Is there a way to fix ...
2
votes
4answers
2k views

Email forwarding from my domain to gmail - FAIL

[There are numerous similar questions on ServerFault but I couldn't find one that was exactly on point] Background: I use Gmail for my email client. My email is example@gmail.com. However the email ...
2
votes
1answer
186 views

Testing a mail server before migration

I'm migrating a Mailman installation from Server A to Server B. Server B is fully configured and ready for the move, but I would like to test it before changing my domain's MX entries. If I were ...
2
votes
2answers
433 views

sendmail limiting x amount of emails per domain per certain amount of time rule [duplicate]

is there a way to limit amount of email per X amount of time to certain domains? for example I have large list of emails and I have thousands of emails for yahoo.com, but if I start sending them all ...
2
votes
2answers
195 views

Mail not delivered from custom email server (MS Exchange)

I have my own Exchange Server 2013 (SP1). I am able to receive emails ok but sending emails is not reliable. Emails sent to gmail or seznam.cz (email provider in Czech Republic) is ok. The problem is ...
2
votes
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 ...
2
votes
2answers
125 views

Sendmail configuration - Local domains

I was working on a sendmail server the other day and was really frustrated. Something in this machine somewhere is telling it to treat a domain as if it were locally on the box. The problem is, I ...
1
vote
8answers
596 views

Is sendmail still used and, if so, for what?

Inspired by http://serverfault.com/questions/722/what-kind-of-mail-server-do-you-use I'm curious to know how much sendmail is still used anymore. What practical application does it still have? ...
1
vote
4answers
1k views

How to make Postfix (on Ubuntu) NOT receive mail?

I want to make Postfix unable to receive mail. I just want to be able to send mail with Postfix, not the other way around. Is that possible? If so, can anyone tell me how to do that? Thanks.
1
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4answers
117 views

sendmail sending mail to recipients I don’t know of; possible spam host

Recently I did an audit of my machine with logwatch and found out that my machine sends around 582 mails everyday. STATISTICS ---------- Messages To Recipients: 582 Addressed Recipients: ...
1
vote
2answers
1k views

What mailer does cron use to send mail?

I am trying to debug an issue with cron not sending mail on a Centos 6 box that I did not configure. How can I determine which mailer cron is using to send mail? The crontab man page has this to say, ...
1
vote
4answers
845 views

Is it possible to include subject lines in the default sendmail maillog?

CentOS 5.8 I'd like to be able to track an email based on Subject line. The default log of 9 in SendMail doesn't appear to include that information. My questions are: What is the minimum ...
1
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2answers
395 views

Configuring sendmail to use one outbound MTA exclusively

I have a sendmail problem, and I'm anything but a sendmail guru -- I could use some help. My problem is that I have a system intended to be more or less an "appliance" -- it's not intended to have an ...
1
vote
3answers
131 views

Sendmail: how to get a definitive list of email addresses

Not really familiar with sendmail as a full-on MTA, but I need to get a list of email addresses. I've Googled around, and from that, I've checked /etc/mail/aliases (there's some in there, but this is ...
1
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2answers
5k views

Ubuntu mail server switch to Postfix from Sendmail

Sendmail is running as default as mail server on Ubuntu. How to switch to postfix.
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2answers
85 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 ...
1
vote
1answer
300 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 ...
1
vote
4answers
5k views

Dovecot does not fetch mail from /var/spool/mail/$user to mail_location

As seen in the /var/log/maillog when mail received or sent, sendmail saving mails to /var/spool/mail/$user and logging them as stat=Sent When a user try to send or receive mail via imap it is not ...
1
vote
3answers
3k views

sendmail - make sure an email is sent

I'm trying to send emails through sendmail, and preventing them from being queued. I only want the emails to be sent, which has been an extreme problem so far. in both sendmail.cf, and submit.cf, I ...
1
vote
2answers
619 views

Does SendMail cache DNS records? If so, how can this be flushed and what logic does it use?

CentOS 5.x | SendMail I have a SendMail server configured to smarthost to a FQDN (for the purpose of discussion, let's call it group.example.com). group.example.com originally had two A records ...
1
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2answers
1k views

Can Sendmail Mail Server Listen on Multiple Ports?

Currently I have a dedicated mail-relay PS that I need to listen on multiple ports, 25 and 80. I know 80 is http, but because of the applications this is being used for it needs to be able to use port ...
1
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2answers
3k 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 ...
1
vote
2answers
515 views

Cron doesn't send e-mail with output of command (works from shell prompt)

CentOS 5.5 x86_64 Trying to e-mail a periodic system update with the output of a system temperatures command: hpasmcli -s "show temp" Outputs something like: Sensor Location Temp ...
1
vote
3answers
2k views

Sendmail delays on some email addresses

On our webserver, the PHP mail() command consistently hangs on some email addresses but is fine with the majority. It hangs for over 2 mins, by which time the PHP script has lost connection with the ...
1
vote
1answer
150 views

Outgoing Spam through hacked Mail Accounts

Already searched some Hours about this Problem - but no good Solution in sight - so maybe someone here can help me on this. We offer Webhosting / Mail Services. Lately the amount of Hacked E-Mail ...
1
vote
6answers
888 views

SMTP server takes 30+ seconds to accept a message, how to make it faster?

One of our SMTP servers is slow accepting emails, here is the typical output (response time 30+ seconds) from a smtp client script: 2014-02-26 11:44:11 +0800 BEGIN 2014-02-26 11:44:11 +0800 LOGGED IN ...
1
vote
3answers
4k views

Sendmail: Sender address rejected (Domain not found)

I'm running into problems with sending mail on our webserver. Some mails are sent and delivered without any problems (eg Gmail), while others are deferred with "Sender address rejected: Domain not ...
1
vote
3answers
10k views

How to configure a real domain name for sender address

I tried to sending out an email using php mail() function but it failed somehow, complaining that a real domain name is required. The following is observed in the maillog: sendmail 4984 r25984: ...
1
vote
2answers
2k views

Remove messages from sendmail queue matching subject

I'm running centos and have a rediculous amount of emails in the mailqueue due to a script error. Is there any way to remove messages that have a certain subject line in sendmail's mailqueue.
1
vote
2answers
9k views

Sendmail connection timeout

I recently setup a new Debian server, After installing and setting up sendmail for the first time, I am not able to send e-mail. Reason : Connection timeout. Output from the /var/log/mail.log : ...
1
vote
3answers
464 views

What is the difference between the sendmail submit queue and standard queue?

I'm confused on the purpose of the sendmail submit queue (by default /var/spool/clientmqueue). I think it's used to store messages when sendmail is ran in mail-submission program mode instead of ...
1
vote
1answer
777 views

Sending e-mail from sendmail with headers

I am trying to send an e-mail with sendmail, but I need to specify some headers (From, Content-Type, Subject). Here is the command I am currently running: echo "Content-Type: text/plain\r\nFrom: ...
1
vote
2answers
412 views

MX records for a domain with a CNAME

Given something like this: xxx.net. CNAME surrogate-xxx.net. www.xxx.net. CNAME surrogate-xxx.net. mail.xxx.net. A 1.2.3.4 xxx.net. MX ...
1
vote
2answers
568 views

recommended way to collect email notifications from crond in Arch Linux

Arch Linux doesn't have sendmail installed by default. So I get the following messages in my syslog: Sep 15 13:16:01 zorro crond[18497]: mailing cron output for user collectors sh cronjob.sh Sep 15 ...
1
vote
3answers
483 views

Suspicious temp directories on CentOS 5.5

I just noticed a weird directories stored on both in /tmp within two of my CentOS boxes. On one machine the temp directory is called /tmp/www4-679109 while on my second machine the temp directory is ...
1
vote
3answers
1k views

sendmail not sending mails to @samedomain (target mail is on google apps)

I've set up sendmail to just send out mails from our php web application. That works fine, as long as we are not sending mail to the same domain as our web app. e.g. our app = www.ourapp.com ...
1
vote
1answer
128 views

Mail has stopped working on Centos since instlling MailScanner [closed]

I have a VPS which I rent and it is running Centos 6. The VPS has ZPanel installed which is used to host some websites and emails. I have just installed Mailscanner and now, I have noticed that ...
1
vote
1answer
660 views

Port 25 blocked but Firewall is off [duplicate]

OK so this is driving me crazy. Running sendmail on CentOS. It's running, and listening on 25: [root@mysqlslavebackup ~]# nmap -sS -O -sV 127.0.0.1 Starting Nmap 4.11 ( ...
1
vote
2answers
686 views

Logging auth information in sendmail

Problem: the sendmail default logging configuration does not log per message auth info which I neeed (i.e. I want to know which user/authmethod was used for a certain message id). Following a tip from ...
1
vote
3answers
1k views

Sendmail Exception reached when thousands emails sent in bulk mail script. Has sendmail a email-sent limit for a given process?

I am a little desperate with a problem in our web server. Our web is a community with a lot of users and activity. We send to users personalized mails of the activity of their interest. We have a ...
1
vote
1answer
2k views

Getting sendmail to install/work for using php mail()

I'm running WordPress on a Ubuntu VPS. When WordPress tries to send an email like a password reset or registration email it never gets delivered. WordPress uses php's mail() function. I figure it's ...
1
vote
1answer
921 views

using gmail as email relay for sendmail

I used to be able to send emails using a gmail account & sendmail configured using one of the guides on the Internet, for example: ...
1
vote
1answer
2k views

Outgoing mail from linux not being delivered

I can't seem to send mail through my php scripts or through the linux console on my Centos 5.5 LAMP server, when the email is addressed to go to a domain that is hosted by my box. I think it is ...
1
vote
1answer
450 views

Mail logs files as attachments with sendmail

I'm using logrotate to rotate my log files. I've set it up to create new logfiles every week. However I would like it to first mail me the logfiles as attachments. The /var/log/httpd file currently ...
1
vote
3answers
326 views

Backup mail on linux (sendmail)

I have an email server and I want to backup everything under /var/spool/mail/ and als the email boxes in the user homes. Using tar when archiving the mail results in the following: tar: ...
1
vote
2answers
841 views

Why Is There A Delay In The SendMail SMTP Banner Greeting When Primary DNS Server Is Unavailable?

CentOS 5.x / SendMail Hi All, Normally when I connect to my SendMail server, I see the SMTP banner greeting almost instantly. I've noticed though, that when the primary DNS server is unavailable ...
1
vote
2answers
5k views

Sendmail name resolution problem

I was asked to have a look at an old RedHat server (with old as in uname -a giving Linux server 2.4.20-27.7 #1 Thu Dec 11 15:04:48 EST 2003 i686 unknown) which is having problem with sendmail. The ...
1
vote
2answers
105 views

What is the difference between -f and -r on sendmail (from exim4)?

My understanding from the manuals is that -r sets the return path and -f sets the sender's email address, however I'm finding that they both set both, and whichever one comes latest takes the ...
1
vote
2answers
367 views

Change port to which local mail is delivered?

I have the sendmail daemon disabled (by setting DAEMON=no in /etc/sysconfig/sendmail). It is not listening on port 25. Instead I'm using a custom SMTP server. Before: It listened on port 25. It ...