3
votes
2answers
65 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 ...
2
votes
3answers
48 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 ...
0
votes
0answers
42 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)? ...
0
votes
1answer
72 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, ...
0
votes
1answer
112 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 ...
0
votes
0answers
30 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 I've been trying to use these directions, which are a bit out of date, but which seem to work: ...
0
votes
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 ...
2
votes
1answer
60 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
votes
0answers
344 views

Postfix and Sendmail smmsp cron job

I'm running Ubuntu 13.10 and have recently replaced the default Sendmail installation with Postfix. From what I've read elsewhere Ubuntu requires Sendmail for system functions so Postfix emulates the ...
0
votes
0answers
150 views

Sendmail user unknown error when sending to remote server

This is a continuation of a previous question here: Sendmail won't send email to same domain Initially I was having trouble getting a webserver (say domain.com) running Sendmail 8.14.4 on Ubuntu ...
0
votes
1answer
531 views

Sendmail won't send email to same domain

I have seen many references to this problem on server fault and all over the internet, but none of the solutions has fixed my problem. I am running Sendmail 8.14.4 on Ubuntu 13.10, this is a ...
0
votes
1answer
123 views

cannot send mails with my mail() function: get DNS error

I am using php mail() function and I do not reveive any emails: (debian, sendmail) Here is the mail.log Jan 26 18:00:37 sd-45956 sendmail[3918]: s0QH0bRO003918: from=www-data, size=116, class=0, ...
1
vote
2answers
424 views

Sendmail: Mails are still being relayed to root@localhost

I am running CENTOS 6.2 with 2 virtual machines one 'auth'(192.168.0.2) and another proxy (192.168.0.3). Proxy has no internet connection. My intention is for proxy to send its mail to auth and auth ...
0
votes
1answer
201 views

Using sendmail to forward to one sendmail server and sending mail from that server

I am using linux with centos 6.2 distribution. I have 2 VM running these distributions. One VM is named 'proxy' and the other 'auth'. Have sendmail installed on both. Proxy does not have an ...
0
votes
0answers
41 views

How can I prevent Sendmail from cutting off SMTP error responses from a recipient MTA in maillog?

CentOS 5.x | SendMail 8.14 I've noticed that Sendmail will occasionally cut off SMTP error responses in logs. For example: Jan 10 05:55:55 foobox sendmail[20998]: s1CStsdli020998: ...
1
vote
0answers
21 views

Can sendmail be configured to “auto-bcc” outbound messages for journaling purposes? [duplicate]

CentOS 5.x / SendMail 8.14 I'd like to configure SendMail to auto-bcc all outgoing mail to a specific recipient address for the purpose of journaling/archiving. Can this be done WITHOUT a milter ...
0
votes
1answer
51 views

sendmail appends server name to external domains when relaying

My server is set to send all email to a corporate relay server. For the company domain, it works perfectly. I've recently found emails being sent to an outside domain are getting the hostname of my ...
0
votes
1answer
151 views

Setting up Sendmail on Plesk 11

I am installing OpenEMM on a Centos6 server running Plesk 11. Plesk 11 uses Qmail for a mail server, whereas OpenEMM requires Sendmail. How can I configure the system so that I can run both mail ...
0
votes
1answer
71 views

make php mail() send relevant domain name and not from default server hostname

I'm not the sharpest server administrator in the draw, so i hope this isn't too much of a stupid question. I'm looking to make php mail() send relevant domain name and not from default server ...
1
vote
2answers
175 views

How to configure sendmail to only send to specified domains?

I have a local development server (centos) which I develop a number of websites on. Occasionally I need to test email sending scripts. I want to avoid the development server from sending emails to ...
1
vote
1answer
56 views

Logging auth information in sendmail - Follow up

I'd like to log the message id, client ip address & authenticated sender with each SMTP transaction, pretty much as discussed here: Logging auth information in sendmail I've implemented the ...
-1
votes
1answer
370 views

What are the sendmail options that can be used with the Linux mail command?

I'm trying to figure out how to get some of our servers to send email through our relay when I use the mail command. If I simply type $ mail -s "Test" user@domain.com mail attempts to send directly ...
0
votes
2answers
182 views

sendmail is not delivering messages to recipients

I have run into a number of problems getting sendmail to work. None of the solutions I've tried have worked. First: sendmail was hanging for 60 seconds and then not sending the email. To solve this, ...
1
vote
2answers
885 views

How to make Ubuntu Server 12.04 can send mail?

I have a Ubuntu Server 12.04 use to run my Webapp. I assume my Webapp wrote in PHP5, run-time enviroment is LAMP, domain is mywebapp.com. When visitor register account on mywebapp.com, website will ...
1
vote
2answers
103 views

bunch of sendmail processes stuck in “DATA” mode

I admin a small mail server for an organization. Starting on the weekend there have been intermittent email issues. Apparently incoming emails were not being delivered (e.g. from google to our ...
0
votes
1answer
74 views

Getting errors in sendmail log

I am using Amazon SES for sendmail in my Linux Centos. I am send 500 mails and this is what i get in sendmail log what does it mean Jul 22 19:09:15 server sendmail[1117]: rejecting connections on ...
0
votes
1answer
84 views

My Sendmail is still using esmtp instead of aws email in Ec2 instance

I have followed all steps here: http://docs.aws.amazon.com/ses/latest/DeveloperGuide/scripts-mtas-sendmail.html This is my sendmail.mc: FEATURE(`mailertable')dnl MAILER_DEFINITIONS Maws-email, ...
0
votes
1answer
58 views

How soon after getting a 400-class SMTP error will SendMail try connecting to a backup MX record/host?

CentOS | Sendmail 8.14 Hi All, I couldn't find this in the batbook. If SendMail attempts to deliver an email to a primary MX record and gets a 400-class error back, how quickly does it try the ...
0
votes
1answer
158 views

How to use sendmail on amazon ec2 linux server

I am using amazon Ec2 instance with centos 6.4. I tried this and i got error echo "hello" | sendmail turnip21@gmail.com sendmail: Cannot open mail:25 How can i fix that error Some more info $ ls ...
0
votes
1answer
160 views

sendmail - local mail delivery if user exists, otherwise to external mail server?

i have a debian vps with webmin, The TLD for the server has its MX pointing to a different server, I would like it so any mail generated locally, say by the shopping cart would be ...
-2
votes
1answer
72 views

Sendmail relay without authentication

I have an issue:when the email is sent from an address other than 127.0.0.1 the authorization is required even if ip is on the same machine. How can I avoid to make request authorization for a given ...
-1
votes
2answers
138 views

localhost [127.0.0.1] in email headers

I'm using sendmail to send a very simple email from a text file. Here is the text file: to:test@someaddress.com from:admin@hostname.tld subject:Testing test test test Which I send with: sendmail ...
0
votes
1answer
83 views

Load balancing of recipients email adresses on Linux SMTP servers

Background information: We are a provider of web-hosting and email (among other services) and we need several load balanced SMTP servers to fix all our customers needs. The problem: Every once and a ...
-1
votes
1answer
97 views

Is it safe to replace localhost.localdomain with real domain?

I am configuring a ubuntu server, so I am using sendmail to use PHP mail function. However it keeps sending email to the spam folder of inbox. I'm just trying to make the emails go to inbox instead of ...
0
votes
1answer
2k views

What exactly is the sm-client service and when is it used?

When I restart Sendmail services, I see the following: [root@foo ~]# service sendmail restart Shutting down sm-client: [ OK ] Shutting down sendmail: ...
1
vote
1answer
106 views

sendmail working for some emails

I use PHP to send email which uses sendmail. I noticed that some emails are not being delivered with the below errors in /var/log/maillog Example 1 stat=Unknown Sender Example 2 stat=Deferred: 450 ...
0
votes
1answer
586 views

Change the sender email of logwatch on RH Linux

Im running logwatch on red hat 7 it sends mails using root@localhost.localdomain however, the email from localhost.localdomain is not received at the recipient because localhost.localdomain is not ...
0
votes
2answers
378 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 ...
0
votes
1answer
210 views

How does SendMail decide which connections are cached?

CentOS 5.x | SendMail 8.14.4 I'm trying to wrap my mind around how Connection Caching works in Sendmail. I'm experiencing some connection issues with some remote mail hosts that we communicate with ...
0
votes
0answers
106 views

How can I throttle incoming emails in SendMail for a specific recipient?

CentOS 6.3 | SendMail 8.14.4 I'd like to throttle inbound emails to a specific address via sendmail. Is that possible? Ideally I'm looking for the opposite of greylisting: Accept the first email from ...
1
vote
1answer
235 views

iptables - sendmail send out only

I have had a look around and tried a number of things. If I want a (centos) server to only be able to send emails (notifications to me) but have no other internet access in or out then what are the ...
1
vote
1answer
57 views

What conditions determine the uniqueness of a SendMail QID?

CentOS | Sendmail On occasion I've noticed that completely separate messages going through a common SendMail server may have very similar SendMail QIDs. For example one message may have a QID of ...
0
votes
1answer
228 views

Sendmail Modifies Recipient Address from DNS Lookup

CentOS 5.8 box (Unitrends Appliance) with stock Sendmail sendmail-8.13.8-8.1.el5_7. If we email to normal addresses from the box (we have two boxes both doing the same thing) everything is fine. If ...
0
votes
1answer
2k 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
votes
3answers
4k 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
1answer
132 views

Majordomo: Duplicate mails due to being on more than one list

I have a debian server set-up with sendmail and majordomo to handle incoming mail for some mailing-lists. Some of the users are in multiple lists and receive a mail twice when the mail is sent to both ...
0
votes
2answers
109 views

Why am I seeing double entries in maillog for each email sent?

Can anyone explain to me why there are two similar entries of "from" and "to" in maillog every time an email is sent? 2013-01-29 12:12:42 sendmail 2770 r0T4CfFe002770: from=user, size=265, ...
3
votes
4answers
804 views

Does “\root” do anything in /etc/aliases?

I've found on a couple servers that have the following entry in /etc/aliases: root: \root,email@example.com You can send mail to /dev/null like this: root: /dev/null I can't find \root used in ...
0
votes
2answers
526 views

Configure a Sendmail subject using crontab

My cron job is running the following line: */40 * * * * cd /home/qa/prod/seo/casino && make testv 2> /dev/stdout | /usr/sbin/sendmail -t xxxx@gmail.com As you can see I am using the ...
1
vote
2answers
866 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.