Srikrishnan Chitoor
  • Member for 12 years
  • Last seen more than 11 years ago
Why are my mails sent from Postfix recognized as Spam?
Accepted answer
5 votes

Take this Email Server Test and it will tell you what you can do to deliver your emails cleanly. Email Server Test Welcome to the Email Server test page. This page does a check of your ...

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E-mail sent with postfix are marked as spam
4 votes

Take this Email server test. It will tell you probable reasons for your emails being considered as SPAM and how to fix the same. If the fixes cannot be implemented for some reason, use a SMTP Relay ...

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How might I stop BACKSCATTER using qmail?
Accepted answer
3 votes

You can replace the stock qmail-smtpd with qpsmtpd. Then you can use the plugin check_badrcptto to validate recipient address and reject emails if it is not valid.

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My EC2 instance's email is being spam blocked by gmail
2 votes

Take this Email Server Test. It will give you possible suggestions to implement. If you are unable to implement the suggestions (or) still have issues, you can get an SMTP Relay Service

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why my mails from zimbra server to yahoo goes in to spam folder
2 votes

Try this Email Server Test. It will tell you what could be wrong and how to fix it.

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Emails sent through SMTP on VPS are considered to be spam
2 votes

Try this Email Server test. It does a whole load of checks to see why your emails could be labeled as SPAM

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"#< #5.1.3 SMTP; 553 sorry, your domain does not exists.> #SMTP#"
Accepted answer
2 votes

The error message says that your domain does not exist. This means your HELO or reverse DNS has issues (or) there are DNS problems with the recipient Email server. If it is an issue at your end, try ...

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All my emails to Yahoo!, Hotmail and AOL are going to Spam, though I've implemented every validation method (works for Gmail though)
2 votes

Try this Email Server Test. If it checks out, contact the Individual service providers and join their Feedback loop program. That will give you some idea of why your emails are classified as SPAM.

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Stop Outgoing Spam Already Tagged as Spam
2 votes

You can delete emails with a particular tag in header. See Postfix Header Checks Man page for details. Example: In "/etc/postfix/main.cf", add header_checks = regexp:/etc/postfix/header_checks ...

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Forward spam is dangerous for my domain repute?
2 votes

If yours is A normal domain, It receives SPAM as well as normal emails, and You forward them to Gmail your IP reputation may go down only when your SPAM emails outnumber genuine emails by a whole ...

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

Try this Email Server Test and see if you get any recommendations useful for your setup.

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

Try this Email Server Test. If nothing comes out (or) you are unable to implement the suggestions, look at a SMTP Relay Service

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How to send 100,000 emails weekly and avoid being considered spammer
1 votes

Additionally, would recommend checking your Email system against this Email Server Test

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Best practices for mass email platform
1 votes

Use software like PHPList to ensure that you do not send emails to people who do not want it. Take this Email Server Test and implement its suggestions so that your emails do not appear like SPAM.

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Server and Application architecture for large outgoing email volume
Accepted answer
1 votes

Use a mailing list software like PHPList to Not send emails to people who did not ask for it. Include a Unsubscribe link in the Emails. Stop sending emails to people who click on the link to ...

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Postfix relay gives error 450 while it should be 550
1 votes

Add/Change "unknown_address_reject_code = 550" in Postfix conf file and try.

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Handling email bounces
1 votes

PHPLIst has one of the best automated bounce handling programs I have seen. Normally, you would use that program to send emails also. However, in your case, you can use PHPList only for bounce ...

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Does sending e-mail in the name of customers increase the risk of being marked as spammer?
1 votes

My answer would be a conditional No. If you do not send Emails to Invalid addresses or people who do not want the emails, it is very unlikely that your emails will be considered SPAM. Take this ...

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How difficult is it to setup a mailserver?
1 votes

Setting up an Email Server locally is the simplest thing to do. There are many Email servers that are easy to setup. My personal preference would be Postfix. This is also the default in many Linux ...

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Custom dedicated email server combined with Amazon AWS?
1 votes

SMTP Relay is definitely possible with any Email server. In this case, all emails will go to an external SMTP Server and then onto outside. If you want to move all your servers and not want to have a ...

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Email Server Validation Website
1 votes

This Email Server Test should help you.

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Please explain my VPS's Mail Queue Manager
1 votes

What are these messages, exactly? Are they messages that are attempted to be delivered TO my domain? Or are they messages that somehow are attempted to by sent FROM my domain? SPAMmers are relaying ...

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Email Server Configuration (exim4)
1 votes

Check out this Email Server Test. It will tell if you anything additional needs to be configured.

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How to avoid mails going to SPAM (Configuring SMTP Server on IIS)
1 votes

To find out what all you can do to avoid emails going to SPAM folder, see this Email Server Test

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Using an SMTP server that isn't attached to my domain?
1 votes

If emails are being blocked by IP based filters, it is possible that Your IP is on some RBL somewhere Your Email server needs some additional configuration that other servers expect. If it is a ...

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how to know that whether qmail is being used as spam sending trojan or proxy
0 votes

The issue could be due to Backscatter. The default Qmail install accepts emails for everybody and then bounces if the Email address is invalid. You can check if that is the case. Normal Qmail log ...

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Is this setup considered email spoofing?
0 votes

Route your emails through the provider and then take this Email Server Test. It will flag things that can make your email be considered as SPAM.

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E-mails consistently delayed
0 votes

Greylisting is one process that can delay emails. To see if that is the case, take this Email Server Test

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See the email reputation score for our public mailinglists?
0 votes

Try this Email Server Test. It will tell you some ways using which you can increase your Email reputation.

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Email sent, but recipients do not receive it?
0 votes

If there are any issues at your end, this Email Server test could tell you.

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