Questions tagged [spam-marked]

This tag is about outgoing email being tagged as spam. Please read the canonical questions given in the full tag wiki before using it.

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spamhaus.org is blocking our IP because we use multiple unrelated HELO values

spamhaus.org is blocking our IP because we send mail using multiples domain names from a single IP. The message is A device (computer, server, mobile phone, etc), or an app on a device that is using ...
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2 answers
109 views

send email from another server than FROM domain without being marked as spam

I want to send a mail from a website. The mail server from this domain is not publicly reachable, so I can't use that to send the mail. The webserver that hosts the website has another email server ...
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How to prevent email forwarded by exim from being seen as spam

I have recently started to look after a mail system where users can host their email with a web mail front end. One of the features provided is a function to set up forwarding. The problem I am ...
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Send each email from a different subdomain?

There are clearly benefits of using a subdomain for sending email to protection domain reputation, but is this always true? What about the extreme case, where a spam domain sends every email from a ...
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eMails sent from G-Suite go to Spam in Gmail clients. IP and Domain not blacklisted

We are running a platform with + 1 Mio users who sign-up with double opt-in to nurture them and allow them to be notified etc. All notifications by email are using our main domain (example.com) that ...
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0 answers
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Spamassassin keeps marking as spam despite low score

I have postfix with Spamassassin and spamass-milter configured. E-mails with score higher than 4.0 are supposed to be treated as a spam and be rejected. Here is my local.conf rewrite_header Subject ***...
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1 answer
193 views

SMTP relay server static public IP always being blocked

I have a SMTP relay server running on a hosted server under IIS, that uses a direct send configuration. I have migrated our old hosted exchange, to cloud exchange on office365 side and had to created ...
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1 answer
5k views

Legitimate emails FilteredAsSpam

Freshdesk is sending emails directly (authenticated via SPF) to Office 365 mailboxes but they are consistently being delivered to the junk folder for all recipients. The following are the ...
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3 answers
281 views

Is there a real technical difference between Transactional e-mail and Marketing / Bulk email? [closed]

There are a lot of articles about differences between Transactional e-mail and Marketing e-mails (or bulk e-mails). I understand the business difference between these two, but is there any real ...
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2k views

Google blacklist removal

One of the email accounts on my Debian server has been compromised (too weak password set by a client) and it was sending countless spam messages over three days. Once I've found out that out (, I'...
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Emails still going to Gmail & Hotmail spam after removing host from several blacklists

As I mentioned briefly in the subject the IP address of our mail server got blacklisted a while ago. One of the sites on the server got hacked, which resulted in the addition to a couple of blacklists....
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1 answer
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Repairing e-mail "domain reputation" on google?

Google's gmail has recently started marking all mail from domain example.com (real domain name is hidden) as spam, with grey-box explanation of: "Why is this message in spam? Lots of messages ...
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1 answer
657 views

Gmail detects emails as spam from domain with neutral reputation

I have a new domain and mail-in-a-box server set up correctly. Unfortunately, when sending to Gmail, it treats emails from my domain a a spam. The domain is not blacklisted and DNS settings are also ...
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2 answers
156 views

Prevent using spam trap e-mail address on registration

I am running a website where the users register using their e-mail addresses and receive a confirmation code before they can log in. (After this every contact is opt-in.) Every now and then some user ...
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1 vote
0 answers
723 views

Yahoo dkim=permerror (bad sig), gmail dkim=fail

We are using postfix(with opendkim) to send registration information from our site. When the information sent to gmail it goes to inbox but it shows dkim=fail and in Yahoo it always goes to spam ...
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Why is my email being marked SPAM by gmail? [duplicate]

I'm running my own mail server in a VPS using iRedMail. I followed all the steps to get a good mail record like setting SPF, DKIM and SMARC values. When I try to send to my gmail account '...
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Why am I getting 500 error while trying to send emails to some domains? [duplicate]

Recently I've been seeing the following error while trying to send emails to some domains: Final-Recipient: name@example.com Original-Recipient: name@example.com Action: failed Status: 5.0.0 Remote-...
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1 answer
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Please help in configuring Sendgrid and HostGator mx records

I am trying to send emails through Sendgrid SMTP and unfortunately, all emails were landing to spam. Upon checking from mail-tester.com service, I got to know an error message that "You are not ...
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0 answers
59 views

Problems with EMail deliverability

I am having the following problem: I am running a Debian server for about a year now, and I have never quite got emails to be delivered correctly. They keep getting caught in Googles Spam filters, ...
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5 votes
3 answers
3k views

Gmail and other private servers mark legitimate email as SPAM

The mail server configuration is driving me crazy. Emails sent from my own private server are being banned, again by Gmail and other private servers. I checked gmail headers and SPF, DKIM and DMARC ...
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3 votes
0 answers
110 views

Combating a persistent spam list

We use Office 365 as our primary mail provider. We have an internal mail server that we use for relaying things like reports from our SSRS, scan to inbox for old scanners, etc. It is an IIS SMTP on ...
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  • 285
1 vote
1 answer
3k views

How to configure an email server so that outgoing emails are not classified as spam [duplicate]

How to configure an email server so that outgoing emails are not classified as spam? I've spent the entire day on this and I'm puzzled by the results I'm getting. Among other things, I have: Added ...
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1 vote
1 answer
166 views

Why is my mail blocked by Gmail (Marked as spam)

Three days ago I have installed CentOS with Directadmin what I've received from TransIP. The mailserver is now working, configured DKIM, SPF, DMARC etc. There is only one problem... mailproviders ...
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  • 111
0 votes
3 answers
290 views

Why is Yahoo blocking our email address verifications and bouncing them back [duplicate]

I have a legitimate site www.angelescity.ph a Free Classifieds site, once someone posts an advert a verification email is sent.. Yahoo has been blocking them, not delivering and bouncing them back, ...
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