0
votes
0answers
27 views

Forwarding email through a dummy relay to avoid blacklisting

I have a mail server that allows individual users to forward mail to other providers. The server performs the usual anti-spam checks, but spam still gets through occasionally -- especially with the ...
2
votes
2answers
19 views

Sending mail from sub-domain on different server from domain getting flagged as spam

Our client owns a server with a domain: website.com We have a server that our client points videos.website.com to. Emails sent from videos.website.com are getting flagged as spam because website.com ...
1
vote
1answer
88 views

Postfix: Gmail marking my email as spam

I'm been trying to understand why Gmail is treating the email sent from one of my domain/server as SPAM. I found a lot of threads here about this issue, however I checked the usual suspects like ...
-1
votes
1answer
184 views

GMail sends basic email to spam folder. SPF DKIM ok? [closed]

I am trying to send an email from my server using Mailgun. It's a very basic plain text email but for some reason it is ending up in spam. SPF and DKIM passes. Any ideas? I don't have any clue. This ...
0
votes
1answer
70 views

GMail or Office 365 for small businesses with LOTS of domains [closed]

Sorry if not the right place to ask, I'm pretty new here (mostly post programming questions on SO). I work for a small company, about 5 employees, but we have 5 different domains we use for sending ...
1
vote
1answer
48 views

How to solve gmail spam filter issue

We have a problem when sending emails to "gmail.com" domain. All of our emails end up in spam folder. We do not send spam or bulk emails, so I would like to know is there a way to solve this issue. ...
3
votes
1answer
91 views

Silently drop OUTGOING mails to us.er.n.a.me@gmail.com (more than 3 dots in username part)

With postfix-2.6.6-2.2.el6_1.x86_64 on CentOS 6.4 is there please a way to inspect OUTGOING mails and silently drop them (i.e. do not send them) if the recipient looks like us.er.n.a.me@gmail.com ...
0
votes
1answer
42 views

How to block mails from a server in gmail

I am getting mails daily from different mail address like ry8029@fastmail.fm ry1532@outlook.com etc. Since , the mail Id is changing daily , I can't filter those mails. I checked that ...
0
votes
2answers
81 views

Do email spam detection block domains?

Does email (like gmail, yahoo, hotmail) providers block domains? Or do they mainly block IP addresses? I'm wondering...what if people use my domain to spam others? Then it would be unfair to me ...
1
vote
0answers
57 views

How can I prevent my messages from being marked as spam by Gmail? [duplicate]

I'm working on a PHP application. Swift Mailer is used to send messages to clients. Messages are personal (like appointment confirmations with specific dates/times for the receiver), so we're not ...
0
votes
1answer
358 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
2answers
2k views

cPanel Server Email to Gmail marked as Spam, SPF, DKIM, and rDNS pass

Having this issue on a cPanel server 11.34.1 that hosts multiple domains. Email originating from this box on the sendingdomain.com address is flagged as Spam by Gmail. I've implemented SPF and DKIM, ...
0
votes
1answer
211 views

Received-SPF: unknown domain of _netblocks2.google.com uses a mechanism not recognized by this client

We've configured SPF for our Google Apps For Your Domain domain some time ago, and resources like mail-tester.com validate it as setup correctly (we also have DKIM, etc). For the past year however, ...
1
vote
0answers
248 views

Server emails are considered as SPAM only by Gmail

I'm developping a service which lets users send our content via email to their friends. The problem is that those emails often ended up as Spam. So I went through all the stuff to make my server send ...
4
votes
1answer
861 views

Hotmail and Gmail mark emails as spam [duplicate]

Possible Duplicate: How to send emails and avoid them being classified as spam I have been developing a PHP application and one of the features in that application is the ability to send ...
3
votes
2answers
3k views

Gmail.com detect mail as spam, but the server is not on any BlackList

I have an issue with Google. (GMail to be exact) About 1 month ago, we had a security breach, and mail was relayed through our servers. we got listed in almost ALL Black-Lists :( we fixed the ...
1
vote
3answers
1k views

Email from my new vps is marked as spam

I got a new vps from x10vps (x10hosting) and set up the domain via cloudflare. This is what the email looks like: Delivered-To: xxx@gmail.com Received: by 10.64.19.240 with SMTP id i16csp357708iee; ...
-13
votes
2answers
939 views

All messages from the mail server are marked as spam by default [closed]

There are many similar questions to this one but suggestions are usually pretty generic, like go check your server against that bulk blacklist checker. So my mail server has a correct SPF record, a ...
2
votes
1answer
449 views

Why Gmail mark as spam emails from my postfix server?

I'm trying to send email from postfix to different providers: Hotmail OK, Yahoo Not tested, Italian Provider OK, GMAIL KO ! I have SPF and rDNS set correctly ... this is the header: Delivered-To: ...
3
votes
1answer
65 views

What is the benefit of using DKIM to sign Content Type?

DKIM has the ability to sign headers on a per-header basis. I looked at Google's headers, and they DKIM sign ContentType. What is the security benefit of signing ContentType?
6
votes
2answers
2k views

GMail suspects confirmation email in stealing personal information

When user registers on my web site, web site sends user email confirmation link. Subject: Please confirm your email address Body:Please open this link in your browser to confirm your email address: ...
1
vote
2answers
1k views

Emails forwarded via postfix get flagged as spam and forged in Gmail

I'm trying to setup a forwarding only email server. I'm running into the problem where all messages forwarded via postfix are getting put into gmail's spam folder and getting flagged as forged. I'm ...
10
votes
3answers
3k views

Gmail rejects emails. Openspf.net fails the tests

I've got a problem with Gmail. It started after one of our trojan infected PCs sent spam for one day from our IP address. We've fixed the problem, but we got into 3 black lists. We've fixed that, ...
1
vote
1answer
711 views

Gmail sends bulk messages sent by postfix to spam - spf, rDNS are set up (headers inside) [duplicate]

here are the headers of the blocked messages (actual domain replaced with domain.com, ip address with n.n.n.n and gmail account name with person.account): Delivered-To: person.name@gmail.com ...
1
vote
0answers
40 views

How to use google as a spam filter but also use mailing lists on my own server

I have an existing Linux server that already processes incoming email using some custom email handling scripts (in Perl) that do somewhat complex processing such as routing certain special addresses ...
0
votes
1answer
367 views

How to stop Gmail moving emails to spam folder?

Is there any way I could stop Gmail moving mails sent from my mail server to spam folder? We send users email confirmation links, but they are moved right to spam folder. So users who are less smarter ...
2
votes
7answers
6k views

all mails going to gmail SPAM (sendmail on centos) 127.0.0.1 problem?

UPDATE ON SPF CHECK http://www.openspf.org/Why: The SPF check gives me this: An SPF-enabled mail server rejected a message that claimed an envelope sender address of support@ourdomain.com. An ...
1
vote
4answers
2k views

All my domain's outgoing mail received as spam in gmail/yahoo/hotmail

All my domain's outgoing mail received as spam. I am not bulk emailing or anything like that. I know very little about how email actually works under the hood and having been continually searching for ...
1
vote
2answers
2k views

Does Google/Gmail & Yahoo/YMail cache DNS information related to SPF?

I am configuring my linode server to send mail from my webapp to users. I could use GoogleApps, but the 500/day limit it too restrictive, hence I'm attempting to set it up myself. I set up Exim4 on ...
3
votes
3answers
1k views

Sign multiple domains with single Domain Key (dk-filter)

Motivation The private shopping website GILT, send periodical update emails from giltgroupe.bounce.ed10.net however all of the mails are signed with domain keys of giltgroupe.com. mailed-by ...
4
votes
5answers
2k views

Why are emails sent from my applications being marked as spam?

I have 2 web apps running on the same server. The first is www.nimikri.com and the other is www.hourjar.com. Both apps share the same IP address (75.127.100.175). My server is through a shared ...
1
vote
1answer
763 views

It's possible to use google smtp for sending email from my server?

Well, I am becoming crazy to let my email deliver to gmail/hotmail from my new ip. Last year, i had no problems with my past ip, but now my emails go straight to the spam folder of gmail and hotmail. ...
0
votes
1answer
2k views

I can't send email from my server to gmail addresses

I'm using postfix, and have setup spf, dkim, and domainkeys. I can get my email to go to Yahoo, but not gmail. Here's the headers from an email send to Yahoo. Yahoo reports the email as domain key ...
2
votes
2answers
299 views

Forward spam is dangerous for my domain repute?

I have Postfix with spamassassin and forward the emails (including spam) to gmail.com, my problem is that when I send "legitimate" emails to gmail.com it is marked as spam, I've done everything that ...
1
vote
3answers
602 views

setup qmail, but messages are in spam folder when i test with gmail

I've just setup djbdns and qmail on a debian lenny server. I test sending to my gmail account with qmail-inject, the mail gets there but is in the spam folder. How can I fix this?
9
votes
3answers
2k views

How I stop spam backscatter rendering email on my domain unusable?

Some miscreant is using non-existent accounts on my domain as a forged sender for spam emails (i.e., sdfhdfsg@mydomain.com). All the out-of-office and spam rejection emails are coming back to me ...