email bounces are messages that are delivered to the nominated postmaster account on an email server to indicate a problem delivering the mail to one or more recipients.

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2
votes
0answers
294 views

Exchange 2010 “Cannot send on behalf of user”

I am getting a bounceback when sending an email from another account, the error is "You can't send a message on behalf of this user unless you have permission to do so. Please make sure you're sending ...
-3
votes
1answer
172 views

How to deal with Exim ***Frozen***?

When i checked mail queue, i have found lots-of Frozen mail entries in exim mail queue, will it effect my mail server to deliver mail? Is it possible mail delayed because of frozen ? Entries in queue ...
0
votes
1answer
286 views

any way in exim to automatically delete failed messages?

Is there any way to configure my exim to delete messages automatically that bounce or have errors instead of them getting frozen and accumulating in the queue? i am getting lots of massage in queue ...
24
votes
7answers
14k views

How to stop spammers from sending spam as me

We've starting to receive bounced spam messages and the sender is one of our email address. We know that we don't send spam from that address. We've tried changing the password but we're still ...
0
votes
1answer
3k views

How do I decode the x500 address in a bounce message, so I can add it to a user's account?

I moved a user's email account, and now cached x500 addresses to the user are failing. How do I translate the x500 in the bounce message to the correct x500 alias I should add to their mailbox? ...
-1
votes
1answer
100 views

How to save addresses from bounced messages in Exim 4?

I need to save all bounces in a database, so I can query it from my application and not mail to any address that bounced more than X times. If I recall correctly, Postfix allows to pipe messages to ...
0
votes
1answer
200 views

Spam sent from fake email accounts on my domain [duplicate]

One of my clients is getting thousands of "Delivery Status Notification (Failure)" emails per day and it's replied to random email accounts that don't exist on the domain. The content of the emails ...
1
vote
3answers
1k views

451 Temporary local - PHP Mailer

I am using phpmailer to do may emailing in the website, using SMTP auth. However recently i noticed that i gives me a error, SMTP Error: The following recipients failed: info@xxx.com Then i ...
1
vote
3answers
739 views

Can you configure a custom mail bounce message for specific addresses?

I don't know much about mail servers, but let's say I had a sales@example.com address, and that it got a lot of spam. Could I create a custom bounce message for emails sent to that address? One ...
1
vote
2answers
50 views

Should I change the Envelope From for Sendmail

Currently the Envelope from is apache_user@mydomain.com. All emails sent from this website use the From address of contact@mydomain.com. Should I change the Envelope send address to match the From ...
0
votes
1answer
131 views

Configuring Sendmail to report successful deliveries

I now have Sendmail report the fail deliveries by bouncing back to a bounce mailbox. E.g. failure to reach joe@example.com would bounce back to bounce+joe=example.com@mysite.com. I was wondering if ...
0
votes
0answers
119 views

Return-Path showing spam coming from my domain? [duplicate]

So I just logged into an old email address to see a ton of similar messages like the one below: To: "oliver@example.com" <oliver@example.com> Content-Transfer-Encoding: 7bit Mime-Version: 1.0 ...
1
vote
1answer
2k views

How do I determine whether this email bounce is my fault?

I use Google Apps to handle email for my personal website, so I have an email address username@ellipsix.net through that, and I also have a Gmail account username@gmail.com. Now, I've been trying to ...
0
votes
1answer
1k views

exim is not accepting external connections

Update: It's definitely my ISP blocking port 25. I told Exim to listen on a non-standard port, and then checked from a remote computer to that port, and it went through just fine. So, I guess I have ...
0
votes
1answer
251 views

How to stop get returned email from email address that never sent [closed]

I am receiving tons of returned emails that I had never sent before. Is there any way to stop it? It seems that my email auto sent to some email address that block my email address.Thanks in advance.
0
votes
1answer
524 views

After changing SMTP port from 25 to 587 I can send, but now I don't receive emails

I configured Postfix, after a time I discovered I am blocked from sending emails because my network is on a blacklist (it's a dynamic IP). So, sometimes Outlook does not connect to send (still gets ...
0
votes
1answer
4k views

Gmail is blocking email from my application server

I'm getting the following in my mail logs on my app server: 550-5.7.1 [67.23.15.78] The IP you're using to send mail is not authorized to 550-5.7.1 send email directly to our servers. Please use ...
10
votes
2answers
1k views

How did spammer spoof emails with my google apps domain (it even has DKIM!)

I have been getting a lot of bounce-backs lately. I thought my google apps account has been compromised, but there is no activity on my apps account, and there is certainly no malicious user that I ...
0
votes
3answers
643 views

Postfix won't reject undeliverable messages

I'm not shure about the wording. Maybe bouncing is the right word. Problem is, that a local user did send a message to a non-existing domain. Now I expected that postfix will send the message back to ...
0
votes
1answer
3k views

Email Bounces: Sender address rejected: Domain not found

I'm getting the error below when sending mail via smtp through google apps mail. Can anyone see why I get this error? As far as I can tell my domain exists! THIS IS A WARNING MESSAGE ONLY. ...
0
votes
2answers
781 views

Dovecot Not Receiving Mail From Outside Servers

After a long and hard battle, I was able to configure postfix to send mail to outside domains. Now the problem is receiving them from outside domains. I use the pop3 protocol with dovecot, and it ...
-1
votes
1answer
47 views

e-mails of all the accounts were blocked due to spamming activity of a single account in shared hosting [closed]

I have around 25 websites hosted on shared hosting environment. Somebody, who has also hosted a website on the same hosting server started spamming. Due to this spamming activity the shared IP got ...
2
votes
3answers
219 views

Email won't send

2013-01-18 10:33:04 cwd=/home/USER/public_html/clients 3 args: /usr/sbin/sendmail -t -i 2013-01-18 10:33:04 1TwDwG-00023y-Ks <= USER@host.mydomain.com U=USER P=local S=3993 ...
-1
votes
1answer
301 views

EMail is not sending

I'm running exim with a CPanel setup. However, I am checking var/log/exim_rejectlog and am not seeing a single issue going to this hotmail account. its just not listed. but the email is not going in. ...
2
votes
2answers
311 views

How to avoid email content filtering

I have an online tool that works via email. Some emails are not getting through and I discovered the "550 5.7.1" Message Rejected due to content restrictions error. Things I've discovered that can ...
-1
votes
1answer
86 views

storing bounce notifications in database

I want to get the error code and the bounced mail when a bounce occurs. I have added content filter below bounces in master.cf and created a piping. I created a transport map in main.cf and I ...
2
votes
3answers
2k views

Stop spoof emails in Google Apps

Desperately need some help here. I've been using Google Apps for my domain (2qubed.co.uk) for over 2 years now with no problems at all until recently. For the past few months I have been getting lots ...
0
votes
0answers
171 views

Problems sending SMTP email to large systems such as Gmail

I maintain a mail server. Recently messages sent to valid recipients on gmail, yahoo, and now roadrunner email addresses are bounced with similar messages: Here's one from gmail: The message, sent ...
0
votes
1answer
61 views

How to setup a disposable/sticky mailbox relay server?

I'm a big fan of Gmail's addressing features (aka '+' in address like my.name+throwaway@gmail.com => my.name@gmail.com). Unfortunately a lot of services are too dumb to validate an email addresses ...
-1
votes
1answer
127 views

Send one invalid email response to sender

I discovered that my postfix/dovecot configuration isn't rejecting emails. If a person sends an email to an invalid email-address, it just drops it. I am fine with this behavior since I think it ...
2
votes
1answer
2k views

Having trouble interpreting mail log DNS errors

I have a postfix mail server on Debian. A client of mine just informed me that they were unable to send an email to me and it appears that there is a problem with their mail server. I would like to ...
0
votes
4answers
290 views

Is there a way to get Postfix to both forward an e-mail *and* reject it via recipient_address_rejected

In postfix, I'd like a way to deal with e-mail accounts that are no longer active by having postfix send the standard "Recipient address rejected" type message, but still forwarding the e-mail to ...
1
vote
1answer
123 views

Mailman bounce messages going to list

A number of users on a list had an issue with mail; Mailman messages were being rejected with a 550 error due to a problem with their server. For some reason, these bounce messages were then ...
0
votes
2answers
2k views

Messages fail to deliver when sending out a mass email

A client of mine sent out a mass email to a bunch of people on his contact list. A bounceback email was received by my client stating that: "The server has tried to deliver this message, without ...
-2
votes
3answers
561 views

APACHE - PHP - Bounce emails

I want to improve our mail server lists by handling all the bounces we get in our websites. I have a website which has over 8000+ users and another website which as over 1500+ users, they are emailed ...
2
votes
1answer
3k views

Postfix deferred email - How to expire so bounce-back email gets sent back

My hosted email server is "Refusing to talk : 550" with my postfix server. Gmail, Yahoo, Hotmail all accepts them fine. All of sudden hosted email provider decided not accept email from my server. I ...
-1
votes
1answer
3k views

“Message rejected by Google Groups”? I am not using any Google Groups

Some of my email messages (sent from mydomain.com) just fail, message is returned with the following explanation: Delivery to the following recipient failed permanently: info@somecompany.com ...
0
votes
1answer
281 views

exim bounce address tag validation

I ma trying to set up BATV in exim but i am always getting an error: F=<> temporarily rejected RCPT <prvs=1234abcd=my_email@my_domain.ru>: invalid "condition" value ...
2
votes
1answer
10k views

Domain of sender address does not resolve (in reply to MAIL FROM command)

When sending out emails with postfix I sometimes get this error: 451 #4.1.8 Domain of sender address <user@mydomain.tld> does not resolve (in reply to MAIL FROM command) The domain ...
4
votes
1answer
404 views

Is null return path reliable indication of a bounce?

I have a mailbox that receives bounces as well as normal email (the latter includes messages from automated services). I want to filter out the bounces and forward them to another mailbox. Assume I ...
3
votes
3answers
3k views

Redirecting wildcard emails to one email with postfix

I'm creating a bounce email system where emails can reply to messages on my site. However when the emails are sent to the user containing the previous message, the Reply-To field contains an email ...
1
vote
1answer
355 views

if I define `my_domain`, postfix does not expand mail aliases

I have postfix v2.6.6 running on CentOS 6.3, hostname priest.ocsl.local (private, internal domain) with a number of aliases supportpeople: user1@ocsl.co.uk, user2@ocsl.co.uk, user3@ocsl.co.uk ...
1
vote
2answers
184 views

Is there a common X-Header for RFC 2821 “MAIL FROM”? Should it be DKIM signed?

w.r.t. the difference between RFC2821 MAIL From and RFC2822 FROM I'm considering having my MTA add a header specifying what was sent in the MAIL FROM portion of the envelope. The RFC2821 header is ...
3
votes
1answer
12k views

451 #4.1.8 Domain of sender address does not resolve

When sending out email to xxx@terremark.com through my own SMTP server (mail.sarit.be), the receiving mail server replies with: 451 #4.1.8 Domain of sender address <xxx@sarit.be> does not ...
0
votes
2answers
532 views

Postfix bounce local delivery with source address from orig_to

I am creating a python script to deliver local mail using various means. The problem is this: This script has to accept multiple virtual domains defined in /etc/postfix/virtual The script does the ...
1
vote
2answers
2k views

How to disable all bounce back email in exim 4.69

I have set up an email server to send out solicited newsletters. There should be no "regular" users of this server, so it is not desirable to send bounce notifications back to the recipient. ...
2
votes
1answer
79 views

Understanding the many “FROM” addresses that apply to SenderID, DKIM, and SPF

Can someone tell me when and why a client, MTA relay, Unix .Forward, anonymous relay, or listserver will create, or alter these headers: Resent-Sender: Resent-From: Sender: From: If you can please ...
3
votes
1answer
2k views

451 Temporary local issue with sending out emails

2012-06-14 21:57:14 cwd=/etc/csf 4 args: /usr/sbin/sendmail -f alerts@host2.thetimesoftimes.com -t 2012-06-14 21:57:14 1SfEIE-0000wK-Kj <= alerts@host2.thetimesoftimes.com U=root P=local S=678 ...
0
votes
1answer
896 views

Emails from Hotmail to our domain always bounce

Now this is a rather odd problem with emails from any hotmail address being bounced by one of our domains. First off, I can guarantee that this is not a spam filter issue as there is defintitely ...
0
votes
1answer
550 views

Postfix bounces and rejects some of non existing emails for same domain

Postfix serves for my virtual domains and works fine. But for one of my domains: - it bounces mails targeted at mail@domain.tld - it rejects mails targeted at nonexisting@domain.tld problem is, ...