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

learn more… | top users | synonyms

0
votes
1answer
417 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
262 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 ...
1
vote
1answer
121 views

sendmail (Smart Host) authentication with server using certificates

We are trying to prepare a setup with following configuration: We have a Central mail server which acts as a gateway to the internet for our domain. We have some client machines which access ...
2
votes
0answers
46 views

Sendmail Backscatter

I am looking for any advice on how I can stop back scatter on my sendmail servers. I have looked at the privacy flags and setting a non delivery for anything. I don't think this is a good approach. ...
1
vote
1answer
250 views

What are steps to clear sendmail queue without rebooting?

Begin Note I believe this is a similar but not duplicate question to another server fault question, because the bounced message is to a legitimate email address that I can send ...
0
votes
1answer
198 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
97 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
232 views

mail received at sendmail has relay=localhost [[UNIX: localhost]] causing check_rcpt to say Relaying denied

I have setup my local sendmail as a Smart Host and trying to relay all incoming mails to a mail server. However, whenever i try to send a mail to an internet mail address, getting the following ...
0
votes
1answer
52 views

Does running sendmail commands from the command-line affect the stability/uptime of the sendmail daemon?

CentOS 5.9 | SendMail 8.14.4 Pardon my ignorance but I'm compelled to ask: Does running separate sendmail commands from the command-line (e.g. sendmail -d##.# -qRfoo.com) affect the stability/uptime ...
2
votes
1answer
43 views

Where/how can I find a complete list of debug flags for sendmail 8.14.4?

CentOS 5.9 | SendMail 8.14.4 I recently learned about debug flags in sendmail and would like to keep a list of them for my specific version (8.14.4). I understand that these debug flags change/grow ...
1
vote
0answers
204 views

How can I confirm what specific MX priorities SendMail saw when delivering a message?

CentOS 5.x | SendMail 8.14 I've got a sendmail server that is configured to be the last hop out. It performs DNS lookup for outbound messages and attempts to deliver them to the recipient mail host. ...
0
votes
1answer
87 views

Configuring Sendmail to report successful deliveries

I now have Sendmail report the fail deliveries by bouncing back to a bounce mailbox. E.g. failure to reach joe@example.com would bounce back to bounce+joe=example.com@mysite.com. I was wondering if ...
-1
votes
1answer
84 views

Sendmail mqueue deferred (list.dsbl.org) [closed]

Hi I have a issue with a mailserver configured with sendmail. In mailq I have many entrys with: (dnsbl map: lookup (254.0.168.192.list.dsbl.org.): deferred) Thanks.
2
votes
4answers
1k views

How I (simply) Forward All Incoming Email to an External Address (ie. Gmail)?

With Google Apps no longer being free for small businesses/teams, I'm left pointing my MX records at my application server. I'd still like to receive email at a Gmail address sent to the domain ...
0
votes
1answer
391 views

sm-mta strange outgoing messages

I noticed something weird today on my mail server. I had a message in my inbox that said: Received: from myserver.com (localhost) by myserver.com (8.14.3/8.14.3/Debian-9.2ubuntu1) id ...
0
votes
1answer
198 views

sendmail on ubuntu not working correctly

I am in the process of setting up a new server which runs Ubuntu on a LAMP stack. I have installed sendmail but it doesnt seem to work. This is my output in the error log: Apr 16 13:46:51 ...
1
vote
1answer
191 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 ...
0
votes
1answer
131 views

Getting error when Send mail to other public/private mail server with same email account name?

I have a private mail server in our organization like mail.domain1.com. Let's say I have mail id of masud@domain1.com. But when I send mail using the same local part with different domain like this: ...
0
votes
1answer
273 views

Why sendmail is accepting mails for hostname not present in local-host-names file?

I have following line in my cf file Fw/etc/mail/local-host-names and following lines in local-host-names file mydomain.com hostname.mydomain.com but when I send mail to ...
0
votes
1answer
338 views

PHP mail function not working - sendmail to blame?

All of a sudden it appears as though we can no longer send E-Mail by using the mail function in PHP. After doing some investigation through looking at other threads in ServerFault and on various other ...
1
vote
1answer
50 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
3answers
124 views

Sendmail wont send to same domain

I'm using sendmail on my webserver, which so far is working fine. However, when I send emails to the same domain I'm sending them from, they never get delivered. I temporarily changed the email ...
2
votes
1answer
127 views

How to read HUGE clientmqueue in human format?

Clientmqueue is over 18GB and ls /var/spool/clientmqueue is working 5 min already. I want to see what mail is in the queue. Maybe i can read some in human format? To see date title who send it and ...
2
votes
1answer
196 views

How can I defer delivery of an email message with exim?

I have previously used sendmail from the command line to send a large number of messages and used the -odd flag to defer delivery so that the program puts the emails into the queue quickly and returns ...
0
votes
1answer
675 views

Sendmail Spamming Recipient

I am using a perl script to send daily status to my gmail account. For some reason, sendmail seems to be spamming gmail although I am only sending one email Gmail is complaining about a failed ...
1
vote
1answer
242 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 ( ...
0
votes
1answer
74 views

Email host rewritten by sendmail/postfix

I have a Postfix mail server running, and I'm trying to understand why emails sent to myself@example.com are actually sent to myself@some-server.example.com instead. On the command line, I send a ...
-1
votes
2answers
80 views

Reduce disk writes in sendmail system

I am using sendmail in a farm of ~10 servers processing 200-500 messages a minute. I have found that after moving to a virtual environment, my largest bottleneck is disk write, and specifically the ...
2
votes
2answers
260 views

Creating a mailbox for sendmail using adduser / mailboxes without system user accounts

I want to create some mailboxes for Sendmail and I am going to do it with the adduser system utility, so every mailbox will be a user in the system. How do I restrict the privileges of these accounts ...
2
votes
3answers
2k views

Ubuntu sendmail “Relaying denied. Ip name possibly forged” (in reply to rcpt to command)

When I try to send an email (from a different server) to a local account on my server I get the following error: Relaying denied. IP name possibly forged [W.X.Y.Z] Here's what I do: ...
0
votes
1answer
194 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
1k 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 ...
1
vote
2answers
259 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 ...
0
votes
2answers
529 views

Is it necessary to manually rebuild a sendmail.cf file or is this done automatically on service restarts?

CentOS 5.x | SendMail I'm noticing inconsistent information regarding pushing changes from sendmail.mc Some documentation suggests that making changes to the sendmail.mc file requires two steps: ...
1
vote
1answer
25 views

What is “endmail.mc.swpivert(-1)”?

CentOS 5.x | SendMail I recently noticed that a sendmail server had the following at the top of the /etc/mail/sendmail.mc file: endmail.mc.swpivert(-1) This was breaking sendmail restarts so I ...
0
votes
0answers
103 views

Sendmail incoming mail does not go to the user inbox

On my server, my incoming mail (which is handled by sendmail) suddenly stopped working. I have not changed anything at all for a long time on my server so I have no idea why it suddenly stoped ...
0
votes
2answers
96 views

sendmail on centos drops connection after n e-mails sent

I have a centos box (vps) with sendmail and I am using it to send a newsletter to mail clients. I am using a machine in my local network to send the e-mails via SMTP (AUTH PLAIN) but after sending ...
0
votes
4answers
303 views

Stopping incoming spam with sendmail [duplicate]

I am having an issue due to a "smart" sysadmin that made some choices while I was away for two months: Spam. I manage probably close to 10,000 web/mail sites. He decided to allow all mail to ...
0
votes
0answers
406 views

Sendmail bounce mails stuck in queue

I'm now managing an old mail server based on Sendmail: # cat /etc/issue Lineox Enterprise Linux AS release 4 (Nahant Update 2) Kernel \r on an \m # uname -a Linux myme1 2.6.9-22.0.1.ELsmp #1 SMP Thu ...
1
vote
3answers
630 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 ...
0
votes
3answers
3k 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: ...
0
votes
2answers
206 views

Sendmail stopped working, millions of entries in mailq [duplicate]

Tests say my server isn't an open relay, but all of a sudden sendmail stopped working and I have spam like contents in my mailq: 5F543CE3A73 1000 Sat Mar 2 01:28:41 [REMOVED]@[REMOVED] ...
0
votes
2answers
433 views

Force sendmail to ignore local domain when sending mail (FreeBSD)

I send mail using PHP. Everything works good until I send mail to domain (@example.com) which I have in /etc/rc.conf >> hostname="box.example.com". I guess sendmail catches mail for this domain (even ...
1
vote
1answer
123 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 ...
1
vote
1answer
564 views

Sendmail issue with IPv6

I have an email server configured with multiple-instance of sendmail running each on different IPv4 and IPv6 addresses. Everything is running smooth until a point where for some domains/emails ...
0
votes
2answers
410 views

Is it possible to change Return-Path in Sendmail

I just changed Return-Path in 2 of my servers which run Exim and Posfix. The third server runs Sendmail. I spent several hours trying to find information how to change it but can not find anything. ...
0
votes
2answers
444 views

Why are my emails going to spam folder?

My server ip is 78.46.138.249 and none of the blacklists I could find blacklist my domain. Nevertheless, many of my customers recieve their emails in their SPAM folder. I just created a live.com ...
0
votes
2answers
135 views

Cron Email Locally

I have my crontab configured to mail to a specific address, for example purposes lets say "test@test.com". test.com is also the host name of my box, however I have my mx email records configured ...
0
votes
2answers
72 views

Why is sendmail skipping my ruleset 98?

I'm using sendmail 8.14.4 on x64 Centos 6.3. and have followed the instructions provided by adamo in: How can I configure sendmail (or another mail server) to accept outbound mail, but to not send it ...
0
votes
1answer
26 views

How can I collect the information sendmail sends to a milter and receives from that milter?

SendMail | CentOS For debugging/troubleshooting purposes, I'd like to examine the raw information that sendmail is sending to a local milter (and also the data being returned by a milter). Is that ...