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Entries Tagged as 'SMTP'

PHP HTML email to Exchange server not displaying in Outlook

March 2nd, 2010 · No Comments

Was using Free PHP Formmail Generator : http://phpfmg.sourceforge.net to send the contents of a form and when sending to most mail servers/mail clients it would work great.  When sending to a Microsoft Exchange server the HTML contents of the email was displayed as text (not marked up).
Tried this with PHP4 and PHP5 and had the [...]

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Tags: Linux · Networking · Operating System · Protocols · SMTP

SpamAssassin rulebase bug – FH_DATE_PAST_20XX

January 5th, 2010 · No Comments

There is a bug in some older rulebase versions for spam assassin 3.x which will cause an extra 3.4 points to be added onto incoming mail which greatly increases the chances of the mail being marked as spam.
The rule “FH_DATE_PAST_20XX” checks to see if the email is from the future, however, since the new year [...]

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Tags: Networking · Protocols · SMTP

Plesk greylisting handlers_stderr: qmail-inject: fatal: qq trouble in home directory

December 21st, 2009 · No Comments

It appears that when grey listing was enabled on Plesk 9.2.3 for Fedora 8 there maybe an error in the maillog like:
handlers_stderr: qmail-inject: fatal: qq trouble in home directory
Command “/usr/local/psa/bin/grey_listing -i” showed that grey listing was running.  After disabling grey listing with “/usr/local/psa/bin/grey_listing -u -status off” this error went away.
Perhaps a grey listing bug in [...]

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Tags: Control Panels · Linux · Operating System · Protocols · SMTP

qmail alert: cannot start: unable to open mutex

September 23rd, 2009 · No Comments

For some reason the mail log was showing lots of:
Sep 23 09:40:03 hostname qmail: 1253695203.637058 alert: cannot start: unable to open mutex
Sep 23 10:32:16 hostname qmail: 1253698336.515510 alert: cannot start: unable to open mutex
Sep 23 10:32:21 hostname qmail: 1253698341.425333 alert: cannot start: unable to open mutex
and qmail was not working properly.
It turns out that for [...]

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Tags: Linux · Networking · Operating System · Protocols · SMTP

rblsmtpd 451 Sender has sent to LashBack

August 14th, 2009 · No Comments

Bounce message received:
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
user@fromaddress.com
Malformed SMTP reply from mail.server.com [192168.1.1]
in response to initial connection:
rblsmtpd: 192.168.6.62 pid 14483: 451 Sender has sent to LashBack
Unsubscribe Probe accounts:
retry timeout exceeded
Looking further into this it appears that the [...]

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Tags: Linux · Networking · Operating System · Protocols · SMTP