SMTP is the Simple Mail Transfer Protocol, the most recent standard of which is defined in RFC 5321. It's the Internet standard for sending and receiving email.
0
votes
1answer
10 views
Amazon SES not working from Rackspace Servers
Has anyone encountered a problem where they cannot connect to email-smtp.us-east-1.amazonaws.com for SMTP from a Rackspace server? WHen I ping from a rackspace server there is always 100% packet loss. ...
0
votes
1answer
23 views
Postfix & Gmail: STARTTLS error
I configured Postfix using this guide. When I send a test E-Mail I get the following error message:
May 23 15:36:26 VM11 postfix/smtp[15321]: connect to smtp.gmail.com[2a00:1450:4001:c02::6d]:587: ...
-1
votes
1answer
30 views
ERROR: Message not sent. Server replied: 354
Hello I have strange problem. On webmail every user gets error "ERROR: Message not sent. Server replied: 354" while sending mails.
But mails are sent properly and reaches properly.
Can you tell me ...
-1
votes
2answers
34 views
Send Connector on Port 465
I recently confront a problem that i think it will become a major situation on the near future.
My ISP blocked the port 25 against spamming. Now I'm forced to fix this situation on another port, so I ...
0
votes
1answer
35 views
What does “domain or user is in the queue only list. Message queued” mean?
Emails to my domain are periodically being delayed. I see in Exim's log file /var/log/exim_mainlog messages like the following:
2013-05-16 18:58:18 1Ud77q-0002ns-Rd <= email@my.host.name ...
-1
votes
0answers
24 views
SSMTP not allowing emails to be sent from alternate email address
I just installed SSMTP and have setup the config for it so that it points to Gmail's SMTP server. The problem is that it's a) not appending my name to when the email is sent, so the user receives an ...
0
votes
2answers
22 views
Outgoing mail through isp's smtp server is not getting delivered
What's the problem with the following emails?
1-
Diagnostic information for administrators:
Generating server: mailrelay002.isp.belgacom.be
secretariat@lagereschoolbissegem.be
[195.47.247.194]
...
1
vote
1answer
28 views
Postfix only allow authenticated users
I have postfix installed and configured so that only authenticated user can relay. If I test it with telnet this seems to work
root@mx3:/var/log# telnet localhost smtp
Trying 127.0.0.1...
...
-3
votes
1answer
49 views
smtp-server privacy at work [closed]
The sys-admin at work has given me the address to the office smtp-server. At work I have to provide username/password to access it. No problems so far.
In addition, at home I must connect to the ...
-1
votes
1answer
32 views
recipient rejected in a SMTP connection from a OpenVz container [closed]
I'm facing a strange problem. I'm getting a recipient rejected on a SMTP server only from inside an OpenVZ container, while from the physical server everything works fine.
Here's an example of a ...
0
votes
1answer
56 views
monit send email does not work
I am trying to use monit, and set up email server using gmail.
The configuration file is like this:
set mailserver smtp.gmail.com port 587
username "someuser@gmail.com" password "password"
using ...
0
votes
1answer
44 views
Postfix Temporary lookup failure
I am trying to set up postfix, but I get a "Temporary lookup failure" error
main.cf:
inet_protocols = ipv4
inet_interfaces = all
queue_directory = /var/spool/postfix
command_directory = /usr/sbin
...
0
votes
0answers
28 views
IIS 7.5 SMTP E-Mail Queuing when SMTP Server is unavailable
I have a Windows 2008 R2 server running IIS 7.5, that also has the SMTP Server feature installed.
In the IIS Manager, SMTP E-mail is configured to deliver to localhost.
The server barfed yesterday, ...
-2
votes
0answers
33 views
GMX email service provider blocking my emails [closed]
Here a below is source of a sent email to outlook.com (aka hotmail.com)
Outlook/Hotmail puts email to the junk
What improvements i can make further ?
GMX completey blocks my emails so never get ...
-2
votes
0answers
31 views
How to reject smtp fallback server [closed]
We have a fallback server for our webservers. So the webservers are whitelisted.
Now we have the problem that hacked websites on the webservers send spam trough the mail fallback server.
What we ...
0
votes
1answer
43 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
1answer
57 views
Postfix - disable sending of NDR's
I have Postfix installed which I am using for SMTP only. It is configured for one of our client's domain and sending newsletters and notifications to the users.
The problem is that because the ...
1
vote
1answer
39 views
SMTP Event Sinks in Windows 2008 R2
We use a 3rd party software to send Bulk Emails. The software does not provide options to add Email addresses in BCC. However, as per Compliance Rules, it is necessary for us to add a BCC address to ...
0
votes
2answers
30 views
Bugzilla is not sending out emails
Hi I'm pretty new at this and I'd like to ask how to debug any of my installations. Bugzilla doesn't seem to be sending out emails. If i set the delivery method to 'test' a mailer.testfile is ...
0
votes
1answer
78 views
Reverse DNS and Godaddy email server, What should it point to?
We are assigned 3 static IP addresses by our ISP and lately we have been having problems delivering our mail. We checked with Cloudmark and they suggested contacting our ISP to add a reverse DNS entry ...
0
votes
1answer
37 views
How to increase Postfix SMTP log retention?
I'm running Postfix Sendmail 2.6.6 and my SMTP logs seem to only be going back one month. How can I configure it to retain logs for a longer period of time?
BTW I'm referring to logs in ...
0
votes
1answer
28 views
Postfix SMTP errors when connecting from another machine
I have a Postfix server, and a client on another machine.
When I am on the Postfix machine and I send an email using telnet, if there is an error, like a relay access denied, I get the error ...
-4
votes
0answers
27 views
Unstable work of SMTP [closed]
I have VPS with a few websites. All services are stable on the server. But look at the smtp
What it works so unstable?
CentOS 6, sendmail
UPD1
I'm using monitor.us for external monitoring of the ...
0
votes
0answers
42 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 ...
3
votes
2answers
52 views
Intermediate SMTP server (exim), how to handle backscatter?
I have a dedicated Ubuntu Lucid box at a hosting provider that is my backup MX (running exim4 4.71-3ubuntu1.4) for domains that I have configured on an Exchange 2007 server on my LAN. So my Exim ...
0
votes
0answers
170 views
What are the raw SMTP commands to attach a file [closed]
Background:
I am working on a project that involves an SMTP server that I setup on a CentOS 6.4 VM. Basically the Arduino telnets to the SMTP server and sends out an email via postfix commands. The ...
0
votes
2answers
45 views
SMTP/HTTP/FTP status check using PHP
I am in need of a piece of code to check whether the website is alive or down . I think this can be done with php curl or fsockopen . But i do want to check whether other services like ftp, smtp, ...
0
votes
0answers
47 views
Postfix + Dovecot wont send outgoing mails (only sending to local mails works)
As the title says do i face problems with my postfix configuration since i cant get it to send mails out from the server.
Im running Ubuntu LTS 12.04 on a cloud server.
all the mails i try to send ...
0
votes
1answer
44 views
generic failure for SASL LOGIN
few years ago I've set up my server using this guide: http://flurdy.com/docs/postfix/ at that time machine was running ubuntu 8.04 LTS, recently I've updated machine to 12.04 LTS but can't force SASL ...
1
vote
0answers
41 views
Fetch all Mail from an IMAP server with Postfix to distribute on local IMAP server
The situation:
The constellation: We have a managed, dedicated server from a professional provider. We currently have Tobit David.fx server in use within our local network which fetches all E-Mails ...
0
votes
0answers
36 views
postfix adding garbage characters in the mail
For my integration mail tests I am using Postfix as my SMTP server. My application is sending base64 encoded mail and when I receive it, looks like postfix is adding some random charters int the mail. ...
0
votes
2answers
103 views
Sending emails using IIS 6.0 SMTP service without using a relay
I am running Windows server 2008 R2 Enterprise with IIS 7.5 & 6.0 and the SMTP service enabled. Following this guide, the SMTP service was installed and configured to relay outbound emails via my ...
0
votes
0answers
154 views
Postfix SMTP-relay server against Gmail on CentOS 6.4
I'm currently trying to setup an SMTP-relay server to Gmail with Postfix on a CentOS 6.4 machine, so I can send e-mails from my PHP scripts.
I followed this tutorial but I get this error output when ...
0
votes
0answers
44 views
How to solve Client host rejected: cannot find your hostname when trying to send email
I'm getting this error, when trying to send messages to some email address. To gmail and hotmail, it sends.
SMTP<< 450 4.7.1 Client host rejected: cannot find your hostname,
How to solve ...
0
votes
0answers
48 views
SMTP server stop sending emails
I am running a Java web application deployed on tomcat5.5 running CnetOS 5.9 to send emails to the users. the application sends the emails but after few hours the server stops sending emails, with the ...
0
votes
1answer
24 views
Internal SMTP server + Hosted E-mail possibiilty
We currently use a 3rd party hosted e-mail system using SMTP and IMAP. I was curious is there a way to setup an internal SMTP gateway or server that the internal client can connect through to ...
0
votes
2answers
52 views
SMTP server to smtp server forwarding?
we have one smtp server and we want incoming mail should store by smtp and forward two other smtp server is their any solution
we dont want email forwarding
Ex mail@mail.com to amail@mail.com
...
-5
votes
1answer
45 views
why does my gmail say “undisclosed recipients” in this case when I send email [closed]
I follow this method to send email through my localhost postfix server to gmail...
http://workaround.org/ispmail/lenny/test-mail-through-telnet
but for some reason, gmail, says "undisclosed ...
0
votes
2answers
89 views
Thousands of port 25 connections
Tonight a few IP addresses made almost 2500 connections on port 25 of a mail server. 2500 is the max limit, and 50 or less simultaneous connections is normal. They did nothing once they made the ...
2
votes
1answer
116 views
Exchange 2010 - can't send to a specific domain - 421 connection dropped due to socket error
I've looked at a few of the existing SF questions/answers and so far can't find the same situation. It's not a TLS issue like I first thought, since the remote server isn't asking for TLS, and it ...
0
votes
1answer
62 views
Exim can't send emails out of my server, but can receive
I installed cpanel on a new server, so exim is included. As my provider blocks port 25, I added port 587 (according to the ISP recomendation), to the "Allow exim to listen on port " setting.
I can ...
3
votes
1answer
100 views
What PID is making outbound connections on port 25?
What is the most ready way to log the PID and process name of anything making an outbound connection on port 25? This is on a 2008 x32 server without the windows firewall enabled.
I'm ...
0
votes
1answer
67 views
Postfix rejects email addresses as unknown if injected via SMTP, but accepts them if injected via /usr/sbin/sendmail
I'm using Postfix together with Mailman to handle mailing lists on one of my servers. There is a delivery method defined in Postfix to handle incoming mail for mailing lists, "mailman". This delivery ...
0
votes
0answers
43 views
Send emails to anywhere from localhost, send emails only to local users from external
I am attempting, for the first time, to set up an email server. So far, I have postfix and dovecot running on my CentOS server (hosted at rackspace). It has 3 interfaces: localhost, internal network, ...
0
votes
1answer
24 views
Special mailbox names
As far as I can see according to RFC 5321, there is only one reserved mailbox name: postmaster
Some time ago I saw a document containing one or two other special mailbox names (I think they were ...
0
votes
0answers
15 views
GNU mail and IMAP
I'm using mail on Ubuntu 12.04 with this version:
mail (GNU Mailutils 2.2)
And the following .mailrc:
set folder=imaps://theo@cc
set password-theo@cc="pp"
set record=+Sent
set from="Theo ...
2
votes
1answer
39 views
Simple, forwarding-only MTA?
I have a domain and a server. I’d like to have some e-mail addresses on the domain and I’d like to forward them elsewhere. I’d love to avoid running a full-featured MTA on the server, since they’re ...
0
votes
1answer
68 views
How to find which local process is sending spam on a Windows Server 2008 server
I am managing a Win Server 2008 system with a number of hosted web sites. Recently I found that something was sending spam through our SMTP server. The logs indicate that the connections were being ...
0
votes
0answers
42 views
OpenDKIM can't determine message sender from MediaWiki pear mail
Iam using http://www.mediawiki.org/wiki/Manual:$wgSMTP to send Emails from my Wiki.
Apr 7 14:29:57 x postfix/smtpd[10763]: connect from <mailserver>[127.0.0.1]
Apr 7 14:29:57 x ...
-1
votes
1answer
23 views
Mails are not getting delivered
I am facing the below error while sending the mail to yahoo and I have configured policyd on my server.
relay=none, delay=150, delays=0.32/0.01/150/0, dsn=4.4.1, status=deferred (connect to ...
