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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2answers
815 views

User is getting a RESOLVER.RST.AuthRequired e-mail bounce from a customer

I've been looking all over the Internet for a solution to this issue but it seems none of the solutions fit my symptoms. I am unable to get any e-mail to a customer. His server keeps responding with ...
1
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1answer
1k views

Does Exchange keep a record of the mail it's bounced?

We've just migrated to Office 365 (from Google Apps, BTW) and due to some oversights (groups) have bounced an unknown amount of customer mail. Does Exchange log bounced mail, and better yet, can I ...
0
votes
1answer
3k views

Remote host said: 550 5.7.1 message content rejected

A sender from France is trying to send an email to us. Unfortunately his email is being rejected with the message below. I suspect there are some weird characters in the mail content but how can I ...
2
votes
2answers
130 views

MTA handling of too large emails

If an MTA receives an email that exceeds the message size limit, which bevaviour is preferred? What is the default for common mail servers? Reject the email during the SMTP session. The delivering ...
0
votes
1answer
2k views

postfix relaying all mail through office365 problems

This is a rather long question with a long list of things tried and travails so please bear with me. The summary is this. I am able to relay email from ubuntu through office365 using postfix; the ...
1
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4answers
2k views

Postfix mails bouncing for no reason

I have a Postfix server setup which works fine most of the time but between 100 - 200 mails gets deferred every day with the following errors: status=deferred (lost connection with ...
0
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1answer
145 views

Postfix: don't bounce for remote rejects

I'm having a problem with sending bounces to spammers when a remote "trusted" smtp server rejects a mail. My server manages mail for company1.com that has a virtual alias support@company1.com that ...
0
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0answers
39 views

List the bounce back email ids - .net

I'm sending a mail to bunch of email IDs. Once the emails are sent, I need to display the notification - saying how many successful mails were sent and how many to which mail IDs the email was bounced ...
0
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1answer
237 views

Postfix regex for smtpd_command_filter

Some of my users are using Gmail to send mail to our domain (The mail server for which is hosted on a CentOS 5 machine with postfix). Sometimes, but not all the time, when they do, they get a ...
2
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0answers
238 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 ...
0
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1answer
144 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 ...
-3
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1answer
136 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 ...
-1
votes
1answer
96 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
2answers
629 views

How do I specify what kinds of bounces PowerMTA delivers via local DSN?

I've recently been charged with overseeing the PMTA server for a small marketing company. One of the issues they have is an abundance of 'soft bounce' emails through local DSN transactions. Is there ...
0
votes
1answer
137 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
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2answers
45 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
0answers
112 views

Return-Path showing spam coming from my domain?

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 ...
0
votes
1answer
114 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
1answer
300 views

Our outgoing emails from a shared hosting provider (Bluehost) are returned because the server is listed as SPAM SERVERS

I am getting very frustrated with this web hosting provider -- Bluehost.com. We have several small business sites hosted with them. We also use email accounts provided by the Bluehost for our outgoing ...
0
votes
1answer
916 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
212 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
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0answers
747 views

Sendmail bounce mails stuck in queue

I'm now managing an old mail server based on Sendmail: # cat /etc/issue Lineox Enterprise Linux AS release 4 (Nahant Update 2) Kernel \r on an \m # uname -a Linux myme1 2.6.9-22.0.1.ELsmp #1 SMP Thu ...
0
votes
2answers
355 views

postfix bounce configuration

What I have is: Windows server generating emails with own app and sending them to relay server (2) - this works fine Relay server that sends emails received from (1) - CentOS - working fine What I ...
0
votes
1answer
432 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
3k 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
1answer
2k 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
3answers
523 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
2answers
542 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
43 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
208 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
271 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
267 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
81 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 ...
0
votes
0answers
157 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
59 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 ...
2
votes
1answer
1k 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 ...
-1
votes
1answer
117 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
3answers
6k views

How to disable “sender non-delivery notification” in postfix?

I want postfix to stop sending non-delivery notifications to my local account, here is example from my log 17:47:08 A727B62C6F61: message-id=<20121124174708.A727B62C6F61@mail.***********> ...
0
votes
4answers
257 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
103 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 ...
3
votes
3answers
4k views

Exchange 2010 Mail Contacts get assigned internal SMTP addresses by the recipient policy

This environment has been upgraded from Exchange 2007 to a new Exchange 2010 server. There are several thousand email contacts that reside under the Federation_Contacts OU. Under the Email Addresses ...
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votes
3answers
483 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
2k 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 ...
4
votes
1answer
346 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 ...
1
vote
1answer
1k 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 ...
1
vote
1answer
308 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
3answers
2k 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
2answers
164 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 ...