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2
votes
1answer
20 views

Why doesn't Postfix reject a specific client's connection attempts?

My SMTP server is being probed. It looks like a brute force attach on SASL, where they're going through a password dictionary. Having seen thousands of these lines in the log files Sep 18 14:09:52 ...
-2
votes
1answer
28 views

Can somebody explain the difference between IMAP and POP3 [closed]

I dunno if I have right understanding or somewhat faulty understanding of the three topics. From a user-end perspective both IMAP or POP3 credentials are what I need if I need to have mail incoming to ...
0
votes
0answers
17 views

Can You Send Mail With MSMTP Without Putting the Location, ISP, and Hostname in Header?

I've been testing sending mail with mutt and msmtp. I've noticed when replying to a message I sent with msmtp, my state, hostname, and isp show up in the In-Reply-To: header ...
1
vote
1answer
16 views

Altermime and SELINUX

I've setup an application called altermime (http://www.pldaniels.com/altermime/) for postfix (SMTP server) which alters emails midstream. I'm injecting a "X-ListUnsubscribe" header into every email ...
0
votes
2answers
143 views

Can't access mail server through SMTP

I'm trying to send email from a server. Testing on my local machine works fine but on my production Ubuntu server, the webserver fails when trying to send email. I'm using GMail as my SMTP provider ...
0
votes
0answers
21 views

How to receive emails on CentOS 5 server?

I've installed postfix with this nice tutorial http://wiki.centos.org/HowTos/postfix and postfix and dovecot are up and running. I set up user maildir as tutorial suggested. Now I can check my ...
5
votes
1answer
229 views

Postfix: disable authentication through port 25

When using Postfix and IMAP on a mailserver, at least 3 ports are usually opened 25 smtp : incoming emails from anybody (whole internet) 465 smtps : outgoing emails from authorized users (to the ...
3
votes
0answers
154 views

Postfix error: not yet authorized to deliver mail

I am running a private postfix server for my domain mydomain.com, on server 111.111.111.111 (IP and domain sanitized for privacy reasons) I have sent an email to info@example.com which is on server ...
-2
votes
2answers
47 views

Where are sent emails stored on unix?

We have smtp installed on the Unix box. I am looking for the sent emails being sent everyday but not sure which location to look for on unix.
2
votes
1answer
43 views

Can Apache Web server Respond to SMTP/IMAP/POP3 requests?

Bear with me, please. I want to know what functions are provided by the Apache 2.4.9 Web server on Fedora 20. I understand that Apache responds to HTTP request only. I believe that SMTP and POP3 ...
0
votes
1answer
636 views

sendmail not working

I have a website where mails are sent. Those mails from website (contact mail, booking mail) are being sent well. But when I go to shell with ssh and give sendmail myemail@mail.com it is not sending. ...
0
votes
2answers
720 views

Using port 587 with sendmail

I have been using sendmail to send out mails using internally available mail server. But currently port 25 is blocked for security reasons. I would like to know if there is a way to specify port ...
2
votes
0answers
301 views

Impossible to send mail to microsoft (hotmail, live …)

I cannot send mail to hotmail with my postfix server. I can send and receive mail from gmail and others, but not hotmail. I made an "Authentication Report" on auth-results@verifier.port25.com: ...
0
votes
1answer
123 views

How can I use CNAME in Bind properly?

I'm new to Bind/DNS and want to point/map SMTP, webmail and IMAP to my domain but a check in nslookup is failing. How can I nslookup SMTP this way? The error I get is: smtp.stylez24.com: NXDOMAIN ...
0
votes
1answer
311 views

davmail and JAVA INSTALLED MANUALLY

I'm trying to install davmail, I've already install JAVA manually (tar.gz file). After trying with the ppa:webupd8team repo and not having good results. Had to clean a lot of files packages and so ...
0
votes
0answers
111 views

Connection refused - connect(2)

I have set SMTP settings in both config/environments/production.rb and development.rb also i have added the settings in config/initializers/setup_mail.rb: config.action_mailer.default_url_options = { ...
0
votes
2answers
707 views

Mutt not sending email when specifying smtp server

I am trying to use mutt as my email client, and it works fine for my gmail account. But when I use my work email, it does not send the emails. It doesn't give any error, it just doesn't send them. The ...
2
votes
1answer
99 views

Alpine using localhost address

I'm having a hard time figuring out what's going on with my setup, first there's no problem with the imap part as I can see my email, but when I try to send a message I get this error: [Mail not ...
0
votes
1answer
77 views

Blanket blocking SMTP with whitelist

So using a VPS environment, whereby we need to block outbound SMTP by default (spammers), with the ability to unblock when needed. We have found some scripts eg: iptables -I FORWARD 1 -d $VPS_IP -p ...
0
votes
2answers
99 views

Trying to use TLS SMTP against Exim, getting Security Error back; what's wrong?

OS: FreeBSD9 64 Bit MTA: EXIM4 with TLS with Self Signed Certificate. I am using telnet myserver.com 25 EHLO dummy@dummy.com STARTTLS It says TLS go ahead And then I issue MSG FROM: ...
0
votes
1answer
1k views

SMTP issues - unable to connect : CentOS 6.5, Postfix, Dovecot, MySQL

I'm trying to setup an email server on a CentOS system with Postfix, Dovecot and MySQL. I'm following this article for an Ubuntu system: ...
0
votes
1answer
116 views

SMTP server that works with gmail?

I'm running debian and in the past I used google apps free edition. That is no longer available so I won't be able to use it for my new domain on my new box. In the past when I tried to setup a smtp ...
0
votes
1answer
23 views

Disabling sentbox in postfix over Squirrelmail

I have installed POSTFIX over Squirrelmail on CentOS Linux... The services I have ran are: service httpd service ssl service mysql service postfix service saslauthd service dovecot But I want to ...
-1
votes
1answer
76 views

sending mail using telnet [closed]

I'm trying to send mail via the telnet command. I've looked at several tutorials online to use telnet <servername> 25. But I've tried telnet mail.aol.com 25 and it gets stuck on trying ...
1
vote
3answers
634 views

Postfix, SMTP Server, PHPMailer

I have an PHP Forum (vanilla forums) and for its registration emails I installed Postfix. Now As I figured it out, vanilla forums uses PHPMailer for email sending procedure. Now my questions are: ...
2
votes
1answer
1k views

Why I can't send mail to remote mailbox?

I have installed Postfix on my CentOS machine. I can nicely send mails to local accounts with mutt, but when I try to send one to a remote mail like myactualmail@gmail.com, I cannot understand why I ...
2
votes
2answers
824 views

How to configure Exim to forward all incoming mail to new server?

I am moving servers, both of them running Debian (oldstable and stable). Both are running Exim4. When I switch the DNS entries over to the new server, I'd like the old server to still forward incoming ...
1
vote
0answers
73 views

ssh log sent to email in Cygwin

I am using Cygwin in Windows 7. I am trying to make my syslog-ng daemon send a ssh log via email to me when ever someone tries to log into my computer. I tried using the code below (entered into ...
0
votes
2answers
179 views

Format of SMTP headers for scanning inbox email

I am looking for a simple procedure to extract email from my inbox into a file for further processing, using e.g. awk. With "extract" I mean use e.g. regex to get emails with a particular subject. My ...
4
votes
1answer
5k views

How to Allow Outgoing SMTP on iptables Debian Linux

If I choose to allow all traffic on the OUTPUT chain (iptables -P OUTPUT ACCEPT) mail sends fine. As soon as I lock down my server with these rules, outgoing mail stops working. All else works though, ...
1
vote
3answers
4k views

Helo command rejected: need fully-qualified hostname Error

My mail server is in some blacklist cause of spams. I reconfugured postfix. Aften then My customers get this error they can't send emails. 404 4.5.2 <PLLAMNAZIFE>: Helo command rejected: need ...
2
votes
1answer
108 views

Question about MX records and mail delivery?

Let's say, we have multiple mail servers in DNS records. If someone is sending a mail, the outgoing mail server will check the MX and contact the first server with the lowest cost. If this server ...
0
votes
1answer
42 views

How to disable SMTP Auth Plain for James-2.3.2. on Slackware 14.0?

I am trying to disable SMTP Auth plain for James-2.3.2 on Slackware 14.0. Has anyone successfully done this without changing the source code?
1
vote
0answers
98 views

How to disable SMTP auth plain for Citadel 8.20 on Slackware 14.0?

How do I turn off SMTP AUTH PLAIN for Citadel 8.20 on Slackware 14.0? If I set up postfix to handle SMTP would this allow me to not have SMTP auth plain enabled
0
votes
1answer
590 views

SMTP/POP server only for internal e-mails on hosted domain

We have a domain for a web site and e-mail that's hosted off-site. (We don't have a reliable enough connection to host it ourselves.) Our shared host sometimes has SMTP problems, but never POP ...
0
votes
1answer
635 views

Can't send mail with sendmail

I use SENDMAIL, I noticed that none of my mail is sent. I have all my mail in the /var/spool/mqueue when I looked at the log and I have this error MDeferred: Connection refused by ...
0
votes
1answer
190 views

Catch all emails and save them in MySQL

I want to do something like Facebook has with it message system. When you reply to email sent from Facebook User, it automatically gets in his message box. This is done, because you reply to ...
2
votes
2answers
147 views

Considerations when hosting an outgoing email server

I want to host an email server on my VPS so I can send automated emails from my application. Reading about the different ways of hosting email servers (involving ISPs blocking ports, open relay ...
1
vote
1answer
307 views

mails being marked as spam

I configured my own mail server using sendmail for our application . Mail server is used to send automated mails when a user registers at our site . I was able to implement this successfully, but ...
0
votes
0answers
2k views

SMTP Issue: did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA

We had a urgent requirement for creating a mail server to send mail for our Portal application using Liferay. The mail account will be an administrative account to maintain the portal. I was able to ...
0
votes
3answers
3k views

What is the equivalent of telnet localhost 25 with ssh?

What is the equivalent of telnet localhost 25 using SSH ? Clarification : I would like to have an SMTP connection with a server using SSH, just like it can be done with a command like telnet ...
0
votes
1answer
1k views

Postfix: 554 5.7.1 Relay Access Denied

My Problem is this: I can send E-Mails from my E-Mail (evolutio@lars-dev.de) to my other Emails like @gmail @web @gmx ... But when I try to send a E-Mail from GMail to evolutio@lars-dev.de I have the ...
8
votes
3answers
9k views

How to “close” open ports?

A few days ago I started to care a lot about my data security, I end up nmaping myself with: nmap 127.0.0.1 Surprise, surprise, I have lots of active services listen to localhost: $ nmap 127.0.0.1 ...
1
vote
1answer
329 views

OpenSMTPD Configuration Problem

I'm trying to configure a simple mail server on OpenBSD 5.2, running OpenSMTPD 5.3.1, however there is some problem with my configuration file, and I'm unsure how to fix it. I can send and receive ...
0
votes
1answer
875 views

SMTP connectivity issue in Zenoss (“Connection unexpectedly closed”)

I am using Zenoss for monitoring purpose. I have been using its mail service for a long time. Suddenly my mail service in zenoss stopped and started showing <class ...
2
votes
1answer
2k views

mutt SMTP TLS error sending mail

When I try to send a mail, I get the following error: gnutls_handshake: An unexpected TLS packet was received. This is my .muttrc (myname, myaddress and mymail are placeholders): # Automatically ...
2
votes
1answer
351 views

Trouble with postfix install (timing out from client) [closed]

I have just outfitted a basic server (Ubuntu 12.04 LTS /Precise Pangolin) and have installed Postfix and Dovecot, based on the Ubuntu manuals. https://help.ubuntu.com/community/Dovecot ...
4
votes
2answers
2k views

Check SMTP server capabilities on the command line

I know an SMTP server's URL. I want to know about that SMTP server's capabilities: TLS, password encryption, etc. Evolution Mail knows how to report these. How can I get them from the command line? ...
2
votes
2answers
763 views

Recommendations for good MTA / groupware solutions?

I'm setting up a Debian server, and one of the things I need on it is an MTA. I don't want to use something like Exim or Postfix because I want something that ties in SMTP, POP3, and IMAP all in one ...
1
vote
1answer
331 views

How can I configure postfix smtp per user?

I have previously used msmtp as my MDA. msmtp has a configuration file with username and password of the outgoing smtp server (eg gmail) stored in my home directory. I've recently changed ...