1
vote
0answers
238 views

send email from ubuntu: msmtp VS esmtp VS ssmtp (and nullmailer)

What are the main differences between these 3 packages that have a very similar name? msmtp VS esmtp VS ssmtp (and eventually nullmailer) Thanks
-1
votes
1answer
92 views

Linux 25 port routing (tunneling/forwarding)

I have: 1) Centos server 1 with postfic/dovecot mail servers IP1 45.45.45.45 (DNS: host1.com.ua) server 1 cannot make outgoing request to 25 port because Internet Service Provider block it! ...
1
vote
1answer
74 views

SMTP as SmartHost for SendMail

My general task is following: We have workable application that sends mails to the users (that are registered in this application on some actions); Mails are sending using sendmail tool; In order to ...
0
votes
1answer
81 views

Hook into sendmail

I have an app on a server that sends mail via the local system's 'sendmail'. I want to write a program that takes the payload of the message, modifies it, and then sends it on to the original ...
0
votes
1answer
171 views

How to use sendmail to send mail as local user from remote computer and protect with password

I have a sendmail server running that currently only accept to send mail coming from localhost. Everything going out is masqueraded as @mywebsite.com and there is DKIM SPF MX and A record bound to the ...
0
votes
2answers
508 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
3answers
5k views

How to configure sendmail to relay emails through Office 365 (SMTP) with TLS

I have a box running RHEL 6.3 and there's and application that needs to send out reports by mail, in order for this functionality to work I have to have mail configured in my box. In addition I ...
0
votes
2answers
817 views

PHP Mail Relay via Remote smtp Server [duplicate]

Possible Duplicate: How to configure php.ini with remote SMTP? We have a php application running on Linux which sends emails to there users. Currently its setup like php.ini is configured ...
0
votes
1answer
300 views

How does “sendmail” send mails to any domain name?

I noticed that one of our servers (running Ubuntu) can send mails to any domain (yahoo.com ,gmail.com) using simple "sendmail" command. But I cannot figure out how to configure similar setup in a new ...
1
vote
1answer
801 views

using gmail as email relay for sendmail

I used to be able to send emails using a gmail account & sendmail configured using one of the guides on the Internet, for example: ...
0
votes
1answer
937 views

configure standard sendmail install to accept outside connections and forward mail to gmail account

I want to have some mail accounts on my domain (contact, webaster) redirected to my gmail account. In order to do this I installed sendmail. Default install (apt-get install sendmail on ubuntu ...
0
votes
1answer
5k views

How to solve authentication error in sendmail relay through gmail [closed]

I followed the steps in http://www.linuxha.com/other/sendmail/gmail.html to setup gmail in send mail. But when I try to send mail I got the authentication failure message. —– Transcript of session ...
-6
votes
1answer
561 views

What is the proper time delay between sending emails for smtp to not fail on windows server 2008 r2 [closed]

What is the proper time delay between sending emails for SMTP to not fail on Windows Server 2008 R2 machines? For example, if I set a 500ms delay, would it successfully send all emails? My software ...
1
vote
1answer
558 views

Exchange 2007 relay from sendmail, message “Undelivered”. Possible reasons?

Note: This is my re-post from Stackoverflow. I've been messing with a test environment for security purposes where a DMZ RHEL5 sendmail server is used as a relay for an Exchange 2007 server. ...
1
vote
2answers
3k views

Sendmail relay authentication

I'm trying to set up my sendmail to authenticate against a relay (comcast). I'm not seeing any attempts to authenticate at all. I'm trying to just debug how authentication works, and can't connect all ...
1
vote
1answer
728 views

Mailx not sending emails

Using CentOS 5.6 and trying to send (only) emails to remote boxes. I am on a CentOS client box and trying to send email to my road-runner email account. mailx -s "Some Subject" me@tx.rr.com < ...
0
votes
1answer
165 views

Use sendmail as client for relaying mail

I'm trying to use an account on my central mail server to send all mails from other boxes. My central mailserver is itracknetworks.ca and I have an account there at testuser@itracknetworks.ca. I ...
0
votes
2answers
2k views

gmail smtp over sendmail

I've setup my sendmail to send mail using Google SMPT. However, I keep getting this error. Jun 20 11:35:24 server sendmail[2370]: p5KBZO3X002370: from=apache, size=1646, class=0, nrcpts=1, ...
4
votes
2answers
3k views

Sendmail on Ubuntu trying to use Google Apps servers as a relay, by default?

I have a recently installed Ubuntu (natty) server, with a domain pointed to it. The mail for this domain is handled by Google Apps (via MX dns records pointing to Google's mail servers). Now, I've ...
1
vote
1answer
707 views

Sendmail: Have to add NAT IP to access list to relay, why?

I have sendmail set up with smarthost to Google Apps (using AuthInfo in /etc/mail/access for authentication). I noticed last night that e-mail was not going through. I send an e-mail like so: echo ...
2
votes
1answer
2k views

Sendmail relaying denied despite successful authentication

I don't have a lot of experience with maintain a mail server, but in spite of that I must configure sendmail as a MTA for one of my servers. I have a problem where sendmail responds to the MUA that is ...
0
votes
1answer
340 views

Understanding sendmail logs

So yesterday we found out that one of our old pop servers had been hacked and was sending out spam. We promptly took care of the situation and it would seem that it's all taken care of. I've been ...
1
vote
1answer
746 views

How to get rid of messages addressed to not existing subdomains?

I have small problem with my sendmail server and need your little help :-) My situation is as follow: User mailboxes are placed on MS exchanege server and all mail to and from outside world are ...
3
votes
3answers
3k views

Sendmail relay out of Amazon EC2?

I have a site running on CentOS 5.4 through Amazon EC2. Unfortunately, Amazon has had nothing but trouble with their entire IP range getting black listed from spam tracking services regularly. I need ...
0
votes
3answers
371 views

Is there a way to set up an SMTP relay that allows users of a web app to have the web app send emails with their own email address as senders?

the web service sends out emails on behalf of the users to their customers. So john@domainA.com uses webservice and webservice sends emails . The emails should be appearing as coming from ...
6
votes
1answer
23k views

How to configure sendmail to send email via GMail (smtp.gmail.com), using port 465 or 587?

I have configures sendmail to send email via my GMail (Google Mail) account, i.e. via smtp.gmail.com, by editing /etc/mail/sendmail.mc and regenerating sendmail.cf: -dnl ...
1
vote
1answer
2k views

Sendmail - Relaying denied (state 14)

I have my sendmail.cf file configured to send local mail and to receive external mail to local users. So sending mail from the server to the external world works fine, but the other way around does ...
0
votes
3answers
6k views

sendmail relay status

I have a RHEL3 server with sendmail configured to relay mail to: # "Smart" relay host (may be null) DSmailrelay This relay server is an exchange server not administered by me. A few days ago its IP ...
1
vote
2answers
2k views

sendmail can not relay from itself

I am running 3 centos 5.2 servers and I have configured the server for forward all messages to root to be emailed to me via .forward rule. This is working fine on two of the servers but not on the ...