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1answer
130 views

How to limit the number of messages sent through a mail server?

I am running a small server on a LAN and do not expect more than a couple dozen emails an hour or so. A user on the LAN accidentally set off a few thousand emails at once. Is there a tool or setting ...
1
vote
1answer
3k views

How to change SMTP outgoing port on Centos 6.3

I have a dedicated server running Centos 6.3. My customer wants to use Microsoft Outlook to send and receive e-mails. He can connect and receive his mails but when he tries to send e-mail he can't ...
3
votes
2answers
1k views

Protecting postfix from bruteforce attacks

a few days ago I've set up a VPS, including personal SMTP service using postfix + procmail under Debian / Wheezy. I am already seeing a LOT of hammering onto the SMTP and other ports. Here's an ...
2
votes
1answer
336 views

How are email headers generated?

When you send an email a header is part of the message. For example, when you check your mail you can view the raw source and see the headers, which has information about the sender of email in it, ...
2
votes
2answers
473 views

Lightest weight SMTP server for Linux Single Board Computer (SBC)

The other discussions I found did not give a clear answer to my question. Problem description: I am running an embedded Linux server device, such as TuxRail or a DreamPlug which are ARM-based devices ...
0
votes
1answer
617 views

Exim4 as smarthost with SSL?

I want to use exim4 as a smarthost to send email using an smtp mail account over ssl. I've seen the hosts_require_tls option, but I need SSL and not TLS. How should I do this?
2
votes
2answers
981 views

Too many smtpd daemon forks?

I have many forks from smtpd in my process list on my webserver. What does this mean? Is my mailbox full? postfix 2662 0.0 0.9 106336 4856 ? S 17:37 0:00 smtpd -n smtp -t ...
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0answers
3k views

SMTP Auth - SASL on Dovecot, Postfix and CentOS 6.2 (and Open-Xchange)

I am trying to get open SASL to work on CentOS 6.2. I followed this tutorial: http://wiki.centos.org/HowTos/postfix_sasl I suspect it works perfectly for CentOS 5.x so all I really need is an update ...
1
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0answers
192 views

fetchmail to log complete messages AND pass to mda

I couldn't seem to tell from the fetchmail man page or http://www.catb.org/~esr/fetchmail/fetchmail-man.html#7 whether --bsmtp <filename>.bsmtp.log, applied from cli/cronjob, and --mda ...
2
votes
0answers
327 views

Sendmail configuration with user mapping on Solaris

I have the following: host1.intra.net which has sendmail and users: user1, user2 & user3. It is running SunOS 5.10. host2.intra.net which has SMTP server. No authentication, no encryption. Email ...
19
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4answers
45k views

Can I set up system mail to use an external SMTP server?

Is it possible to set up system mail on a linux box to be sent via a different smtp server - maybe even with authentication? If so, how do I do this? If that's unclear, let give an example. If I'm at ...
1
vote
1answer
734 views

msmtp alternative that understands /etc/aliases

I'm looking for a simple smtp daemon, that supports aliases (due to issues with daemons, that refuse to send emails to anyone else than root). If you don't know msmtp, then basically, I just want to ...
1
vote
1answer
45 views

Setting up a mail server to simply be able to see emails sent

I'm writing an application right now that simply sends emails. All I'd like to be able to do is see clearly that my application is, in fact, sending email and that I'm getting the included attachment. ...
0
votes
1answer
308 views

php mail not working in rhel server?

I have installed roundcube mail and when it tried to use installer which uses php mail it is loading for 5 to 10 minutes and then telling me 'ok' but no mail comes to me. smtp_port is 25 host is ...
2
votes
2answers
663 views

Is there a way to completely disable outbound opportunistic TLS support in SendMail?

CentOS 5.x SendMail 8.14.4 An overzealous network security feature is causing TLS negotiations to fail when my Sendmail server tries to talk to external hosts. This is causing sendmail to constantly ...
2
votes
1answer
2k views

How do I email root?

I am on Debian squeeze and I'd like to forward my root emails to my real email. I setup exim to use gmail so when I write mail myname@myemail.com it sends to my email. However, now I'd like to email ...
3
votes
2answers
623 views

sendmail not sending to the cloud (local mail works)

I'm using a perl module (Mail::Sendmail) which uses sendmail to send stuff. It hasn't been working, but hasn't been giving me any errors. So now I suspect sendmail. I tried: telnet 127.0.0.1 25 mail ...
2
votes
1answer
630 views

How to send non-local mail, with GMail(GApps) SMTP?

I have some (~3) Debian boxes, and I want to post system mail to my non-local mailbox. But I have a problem with configuring exim4. Also I don't like so much exim4's config. Too different, and also ...
1
vote
1answer
190 views

Postfix: Can I configure it to *not* include original email on undeliverable?

The question's title says it all. Scenario: The Postfix server is used only for mail-relay; in the office back-end, we use hMailServer. Some hMailServer users have their emails auto-forwarded to ...
2
votes
2answers
1k views

setting up mail system

So I'm still kind of new to linux, but what are the steps towards setting a linux box up in such a way that it can send mail using shell? echo "hello world" | mail johnny@moo.com I mean, I've done ...
2
votes
4answers
554 views

ssh public keys instead of SASL for authenticated SMTP sending?

I'm currently using postfix and SASL on my personal server for authenticated SMTP. The server is purely for my personal use and my personal domains, so I'd much rather have something simpler based on ...
2
votes
2answers
1k views

How to send mail from a remote SMTP host?

I have Postfix suite installed locally on Ubuntu 10.10. I can send/receive mail to my local address, e.g. user@local.com. I'm given credentials to a remote mail server mailbox, e.g. ...
5
votes
1answer
1k views

Changing SMTP authentication in mutt based on From e-mail address

I use mutt as my e-mail reader, and nbSMTP as my SMTP client. I check e-mail from a half dozen accounts and sort them into miscellaneous folders in my maildir. Some of the folders are ...
19
votes
7answers
17k views

Lightweight outgoing SMTP server

What do you use as a lightweight SMTP for outgoing e-mails only? I am running an app that sends e-mails via SMTP when events occur once in a while, and I don't need a fully featured e-mail server. ...