-1
votes
0answers
17 views

how do i modify mail(envelope and header) as using mailfromd

I`m trying to modify mail(header,envelope) while using mailfromd. These are my questions: I found "Envelope Modification Functions" in library following as rcpt_add and rcpt_delete. Is there no ...
1
vote
1answer
59 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 ...
0
votes
1answer
23 views

Send email from main domain using exim4

I've installed exim4 on my server to send email for server messages, registration messages, lost password messages etc. My server's FQDN/rDNS is mail.example.com, which I also entered during the ...
2
votes
1answer
49 views

How can I enforce TLS in sendmail when I don't necessarily know the hostname of the downstream MTA (only IPs)? [e.g. by recipients' domain]

I'm running SendMail 8.14 and have some custom static routes for sending to certain domains. These domains are "internal" but not managed directly by me. Here's an example of ...
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)? ...
-1
votes
3answers
113 views

Server being used to send spam mail. How do I investigate?

Problem I think my server is being used to send spam with sendmail, I'm getting a lot of mail being queued up that I don't recognize and my mail.log and syslog are getting huge. I've shutdown ...
0
votes
0answers
24 views

How can I limit the amount of messages SendMail will recieve in a single incoming connection?

Is there a way to limit how many messages can be received by SendMail in a given SMTP session? I have a SendMail server and an upstream application server is trying to send dozens (potentially ...
0
votes
1answer
168 views

Sendmail: DSN: Service unavailable

I've been having trouble getting my server to send email and I haven't for the life of me figured out how to fix it. If anyone could give me some simple pointers, that would be muchly appreciated! ...
0
votes
1answer
48 views

Unable to clear sendmail mqueue-client

drwxr-xr-x 2 smmsp smmsp 4.0K May 6 23:31 mqueue drwxrws--- 2 smmsp smmsp 29M May 8 10:40 mqueue-client As you can see mqueue-client is filled with 29 megabytes of unsent mail. This seems to ...
0
votes
1answer
27 views

What is the maximum message size that SendMail can successfully receive and where would the bottlenecks be?

CentOS 5.x | SendMail 8.14 I'm curious - what is the largest message size that SendMail will successfully accept from an upstream source via SMTP? The tweaking config options page indicates that by ...
0
votes
0answers
77 views

Adjust Authentication-Results header and verify DKIM reports are being send

i'm running OpenDKIM 2.9.1 through Postfix 2.11, using the following configuration. https://gist.github.com/sibok/97a8e33d5f7309b4fa1c As you can see i enabled DKIM reporting but i can't see any ...
0
votes
1answer
20 views

Understanding sendmail -bt in conjunction with aliases

I'm familiar with exim and the behaviour of exim -bt in indicating how a message will be routed. I'm trying to set up a trivial sendmail configuration to route root mail on a local system to my ...
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
1answer
56 views

How to setup my email infrastructure (small company) [closed]

I am new to the field and I am trying to learn. I have a domain name (let's say mydomain.it) registered with Company A. Company A provides me both a DNS service and a Mail service. I use the DNS to ...
4
votes
1answer
65 views

Where is the email bounce sent? To the @domain or to the IP that sent it?

When I send an email from noreply@mysite.com to user@yahoo.com and I use that VERP bounce format like bounce+user=yahoo.com@mysite.com Is this bounce back sent to the mail server in DNS records of ...
0
votes
1answer
46 views

exim4 not sending email as intended [closed]

I am setting up a server that needs to be able to send email from my email account that I have through my hosting provider "JustHost". I have been trying to get it to work with internet and smarthost ...
0
votes
2answers
109 views

postmaster notify: see transcript for details?

Since I configured my server, I get these emails frequently in my spam folder : ** truncated ** ----- The following addresses had permanent fatal errors ----- <root@db1.mydomain.com> ...
1
vote
3answers
526 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 ...
0
votes
1answer
62 views

How can Sendmail reject email to a local user *unless* it comes from a trusted subnet?

I have sendmail set up to accept mail for a few domains and to relay messages for a few subnets' worth of systems. Recently a particular internal-use-only address has been receiving a lot of spam. ...
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: ...
2
votes
1answer
69 views

Postfix not recieving mail from actual email but does from sendmail?

Ok so I'm trying to forward mail from my ubuntu server (lets call it example.com) to a external gmail account using postfix. The problem is when I send mail using another gmail and yahoo account to ...
0
votes
1answer
93 views

Sendmail server keeps relaying mail to wrong server

Email to my organization (mycompany.com) goes through 2 sendmail servers running on CentOs 5.6, mail01 and mail02. I've configured a new sendmail server, mail03, in a different site for DR purposes, ...
-1
votes
1answer
58 views

Can't send php mail() [closed]

I just migrated to a new server and apparently I can't send a mail. I've "ipb board" installed there and every time I send a mail I get the following in error_log sh: -t: command not found ls -l ...
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
146 views

How to configure sendmail to send emails from multiple domain names

I have two domain names(eg. aaa.com and bbb.com) hosted on one vps with sendmail. My problem is that when I register in aaa.com I get the email from bbb.com. Please tell me how to configure ...
0
votes
1answer
334 views

issue involving ptr record when sending email on digital ocean server

The Issue We have a website that sends email using php mail function and sendmail. We frequently get email rejected response emails from several destination email servers saying that we have an issue ...
-1
votes
1answer
36 views

Mail not going through : Sendmail Issue

Some of the mails for a particular domain are not getting delivered from our mail server. We are using sendmail for mail server. Fallowing can be seen in log Oct 21 13:24:59 mailser sendmail[5407]: ...
2
votes
1answer
32 views

Translating return receipts and postmaster messages

I was wondering if it is possible to translate postmaster message (return receipts, notifications, etc), or at least customize them. I ask this because my users (too) often call me in order to know ...
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 ...
0
votes
1answer
81 views

Sendmail to send contents of error.log

Ubuntu: I am trying to send an email with sendmail, mailx, or mail (anything that will work). I am trying to send the contents of a log file as the message. Log located at /var/log/nginx/error.log. ...
-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 ...
1
vote
1answer
126 views

How send email from command line specifying the email subject and using postfix?

I installed Postfix, and get the /usr/lib/sendmail binary. What I want is send an email alo /usr/bin/printf "%b" "EMAIL_BODY" | /usr/lib/sendmail -s "EMAIL_SUBJECT" destination@adress.com But the ...
0
votes
1answer
63 views

Changing recipient of items in the sendmail queue

From time to time, e-mails get stuck because a user has entered an invalid e-mail address. When the error is due to an obviously bad domain name it would be nice to be able to change the recipient so ...
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
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 ...
1
vote
1answer
45 views

why is my sendmail selective in delivering messages?

I've seen my maillog and it has entries like these: Jul 30 00:51:02 server sendmail[10809]: 0000060000006DF64: to=<8894@xyz.com>, delay=05:48:23, xdelay=00:00:00, mailer=esmtp, pri=900000, ...
0
votes
2answers
95 views

mail command does not return

On Ubuntu 13.04 I have been trying to send emails from the command line but the mail command will not return. I am running these from inside a putty terminal: sudo apt-get install mailutils sudo ...
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
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
2answers
287 views

How to make sendmail accept connections from localhost only

I need to secure the server by making sendmail-mta accept only local connections (from localhost), so that any external (potential spam) connections are denied. I use Debian 7.0 currently.
0
votes
2answers
50 views

Setting up sendmail to perform mail routing

Is sendmail is able to do the following: Forward many user emails to office 365:- user1@example.com -> user1@internal.example.com user2@example.com -> user2@internal.example.com ...
-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
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: ...
0
votes
1answer
341 views

Will changing hostname fix invalid sender domain without causing any other problems?

I am running Centos 6.4 and have a hostname of web01.domain.com - the system runs PHP, SSH and FTP only with no POP or IMAP mail and just uses Sendmail. When sending emails via PHP using 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
53 views

Linux mail command not working like it used to

I was using the following mail command in my crontab to which worked flawlessly until we re installed our mail server last Friday: echo "Testing 123" | mail -s "ECS PostDate Processed" ...
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 ...
1
vote
1answer
270 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
342 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 ...