User Gryphius

29 votes

How to test a connection without telnet?

answered Apr 17, 2013 at 5:06

14 votes

Accepted

php.ini changes don't have any effect

answered Jan 13, 2013 at 14:23

11 votes

Accepted

Is there a reason why DKIM signs every mail twice

answered Feb 5, 2013 at 7:04

10 votes

How should I test Clam Anti-Virus?

answered Mar 2, 2013 at 16:51

9 votes

How to setup Gitlab with post-receive hook?

answered Jan 6, 2013 at 21:47

9 votes

Disable mailing in cron globaly

answered Mar 14, 2014 at 15:06

8 votes

Accepted

Helo command rejected: Host not found - even though i don't have configured reject_unknown_helo_hostname

answered Apr 28, 2014 at 10:02

8 votes

SMTP Server 550 Access denied - Invalid HELO name

answered Aug 7, 2013 at 5:02

8 votes

Is greylisting still an efficient method for preventing spam?

answered Oct 9, 2012 at 9:59

7 votes

Accepted

Why Postfix on Linux require a "-" character before the pathname of the log file?

answered Apr 10, 2013 at 12:28

6 votes

Email going to a user at a similar domain name

answered Jan 10, 2013 at 12:37

5 votes

The +a part of SPF records

answered Apr 22, 2013 at 16:28

5 votes

Accepted

False positive rate of CBL

answered Oct 14, 2013 at 14:32

4 votes

Accepted

What's the right way to block brute force of HTTP basic auth?

answered Oct 12, 2012 at 6:12

4 votes

How to configure postfix and dovecot so that thunderbird can automatically find settings

answered Jan 3, 2013 at 13:43

3 votes

Accepted

Imap proxy with message cache

answered Dec 14, 2012 at 7:58

3 votes

Accepted

PTR records for mail server

answered Jul 25, 2012 at 13:24

3 votes

Accepted

Reverse DNS does not match SMTP banner vs Reverse DNS mismatch

answered Jul 4, 2012 at 13:19

3 votes

Accepted

Is null return path reliable indication of a bounce?

answered Oct 11, 2012 at 9:24

3 votes

How can I refer to my machine (client) when remoted in to a server via ssh?

answered Jan 9, 2013 at 17:50

3 votes

How to safely move mailbox to another server?

answered Oct 15, 2013 at 8:51

3 votes

Accepted

Saving email from cPanel and integrating it to postfix.

answered Apr 29, 2014 at 15:45

3 votes

identifying emailids that flagged your email as spam

answered Jul 23, 2013 at 5:28

3 votes

Accepted

Is it safe to move IMAP message files around when using dovecot?

answered Apr 25, 2013 at 7:31

3 votes

Accepted

Scripts or tools to parse email message to remove attachment of particular name

answered Apr 15, 2013 at 9:23

2 votes

postfix pcre conditional REPLACE

answered Apr 13, 2013 at 7:30

2 votes

Receiving email to wildcard subdomain @ any alias (anyalias@*.domain.com)

answered Mar 5, 2013 at 15:31

2 votes

Amazon SES and Amavis

answered Apr 30, 2013 at 14:24

2 votes

Accepted

Dovecot Forward Spam

answered May 12, 2013 at 13:17

2 votes

Reverse dns and SaaS Spam Filters

answered Aug 21, 2013 at 8:13

Stack Exchange Network

69 Answers

How to test a connection without telnet?

php.ini changes don't have any effect

Is there a reason why DKIM signs every mail twice

How should I test Clam Anti-Virus?

How to setup Gitlab with post-receive hook?

Disable mailing in cron globaly

Helo command rejected: Host not found - even though i don't have configured reject_unknown_helo_hostname

SMTP Server 550 Access denied - Invalid HELO name

Is greylisting still an efficient method for preventing spam?

Why Postfix on Linux require a "-" character before the pathname of the log file?

Email going to a user at a similar domain name

The +a part of SPF records

False positive rate of CBL

What's the right way to block brute force of HTTP basic auth?

How to configure postfix and dovecot so that thunderbird can automatically find settings

Imap proxy with message cache

PTR records for mail server

Reverse DNS does not match SMTP banner vs Reverse DNS mismatch

Is null return path reliable indication of a bounce?

How can I refer to my machine (client) when remoted in to a server via ssh?

How to safely move mailbox to another server?

Saving email from cPanel and integrating it to postfix.

identifying emailids that flagged your email as spam

Is it safe to move IMAP message files around when using dovecot?

Scripts or tools to parse email message to remove attachment of particular name

postfix pcre conditional REPLACE

Receiving email to wildcard subdomain @ any alias (anyalias@*.domain.com)

Amazon SES and Amavis

Dovecot Forward Spam

Reverse dns and SaaS Spam Filters