Tagged Questions

0
votes
1answer
106 views

A record blacklisted but not the originating IP of affected messages - Gmail rejections

A customer's email is being rejected by gmail with the following codes: Action: failed Status: 5.7.0 Diagnostic-Code: smtp; 554 5.7.0 Reject, id=17756-61 - SPAM I see the A record for the domain, ...
0
votes
0answers
30 views

Can anyone tell from this email why this message gets flagged as spam? [duplicate]

My iRedMail server servers two domains. The older one sends mail fine. The newer one gets trapped as spam in gmail. Delivered-To: spuy767@gmail.com Received: by 10.58.206.18 with SMTP id ...
-2
votes
2answers
43 views

Second mail server for my domain [closed]

I have to setup a mail server because my hosting account don't allow me to send over 250 mail/hour. I have a HP microserver at home and I want to use it to send the mails. I configured Virtualmin on ...
0
votes
0answers
67 views

The email sent from my server are marked as spam

I have a dedicated server at OVH. For several days I've noticed I'm in a spam list (spamcannibal). The reason I said was for generic PTR. I've changed and I have commanded to remove from the list. ...
1
vote
1answer
57 views

correct way to prevent SPF failures

I have a website on a hosted server whose mail users are using their ISPs SMTP to send mail. I have set their SPF record to look like this: v=spf1 mx a:comcast.net ip4:216.70.103.0/24 ...
1
vote
4answers
204 views

How do SPF records reduce spam?

How do SPF records reduce spam? Note: I'm not asking how to setup an SPF record; I already know how to do this. Does the receiving mail server lookup the SPF record and determine if where the mail is ...
0
votes
2answers
88 views

DNS: MX listing points to google apps and A listing to my own server. Can I send emails from my own server without being classified as spam?

Linux DNS networking question: If an MX record points to IP address 111.111.111.111 and A record of a domain points to 222.222.222.222, can I still send emails from 222.222.222.222 on the behalf of a ...
3
votes
1answer
178 views

What problems can an ADSP record in DNS cause for mailflow?

ADSP is an entry in DNS that works allows a domain owner to assert that all email must be signed with DKIM. (similar to the -all and ~all in SPF/SenderID). Messages that fail ADSP policy may be ...
0
votes
2answers
208 views

Media Temple, SPF, and Changing IP Addresses

OK...so I have a hosting account with Media Temple and recently had problems with mail servers marking my sent emails as SPAM. I looked into the issue and read it's a good idea to implement SPF which ...
1
vote
2answers
4k views

How should I set up my PTR Record?

I am trying to properly set up my ptr record as I have noticed that some email notifications sent from my website have gone to spam for certian people, and I am having trouble figuring out exactly ...
0
votes
1answer
151 views

Correct SPF for using google-apps with additional outbound mailserver

[Asked this on stackoverflow and was referred here] We are developing a custom web app for a client. This app is on a separate server, server.com, than the client's web site, www.client.com. Each ...
4
votes
6answers
314 views

Are SPF needed for domains that do not send mails and do not have MX record?

I have some domains registered that do not send mails. I have totally removed MX record for these domains on my DNS. Is it still useful to set an SPF record in order to avoid spammer to send mails ...
1
vote
2answers
187 views

How to properly set SPF record in my domain (Google Apps)

http://www.google.com/support/a/bin/answer.py?answer=178723 How to properly set up my mailservers DNS record? I mean is it good to only set a: v=spf1 include:_spf.google.com ~all or is it better ...
1
vote
2answers
49 views

Network Solution DNS and email spam

I recently moved one of my domains from freedns back to its registrar (netsol/worldnic) due to unexplained downtime of freedns servers. But since then I have witnesses a huge increase in email spam. ...
0
votes
1answer
766 views

Sending mail through local MTA while domain MX records point to Google Apps

My domain's email is managed by Google Apps, so that domain users get Gmail and Calendar, etc. But I also want to be able to send applicative notifications to users outside the domain via email (e.g. ...
0
votes
1answer
1k views

Multi-IP address zimbra server DNS PTR records and spam

We have a mail server running Zimbra (ZCS 6.0.8). The server has 5 active public IP addresses in the same subnet. (.226-.230). I currently have A records for each of these ...
2
votes
1answer
152 views

Do I need to leave SPF TXT record for backwards compatibility?

There is a dedicated DNS SPF record which can be used for SPF record. However DNS TXT record may also be used for backwards compatibility. If i CAN define SPF record - should i just delete the ...
0
votes
1answer
236 views

All messages being tagged NO_DNS_FOR_FROM on Zimbra server

On our Zimbra 6.0.5 server running on Fedora 6, it seems that all messages are being tagged by spamassassin with NO_DNS_FOR_FROM (despite having legitimate sent addresses). How should I debug this? ...
1
vote
1answer
1k views

Permerror when testing multiple SPF records for Google Apps and MailChimp

Our domain uses Google Apps for mail and Mailchimp for templated email campaigns. Mailchimp recommends adding an SPF record for their servers to decrease the likelihood of spam filter traps. I have ...
4
votes
6answers
5k views

Emails going to Junk for Hotmail recipients

We send daily mass emails to our customers (~30,000+ emails per day). We have problems with Hotmail users receiving our emails. Sometimes the email goes to the Junk folder, but often it will got to ...
1
vote
5answers
452 views

DNSBL - Email Servers Spam

I'm currently doing research on a better way for emailing customers our news letter and not using an ESP such as vertical response since most users there use purchase list and ruin the shared IPs for ...
2
votes
4answers
647 views

Is OpenDNS safe to use in a location with Exchange/Reverse DNS

I like OpenDNS, but was wondering if anyone has experience deploying it for a location with an Exchange installation. I'm concerned specifically about whether any filtering they do would cause ...
5
votes
5answers
10k views

How do I configure SPF for multiple domains on a server? (also allowing gmail as a sender)

SPF (Sender Policy Framework) seems like a good way to combat spammers/spoofing. However, despite reading the explanations several times, I'm not quite understanding how to configure it correctly. ...