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Mail Server Support
Technical discussions with systems administrators about email servers, software, and appliances.
Microsoft Exchange
Support for Microsoft Exchange mail servers
Threads
41
Messages
104
Threads
41
Messages
104
Tens maybe Hundreds of Thousands of Exchange Servers Hacked
Apr 2, 2021
EQ Admin
IMAP Tools
IMAP migration scripts and technical support
Threads
35
Messages
153
Threads
35
Messages
153
A
SMTP Outgoing mail not sending
May 28, 2018
arytxer
Sendmail
Support for sendmail mail servers
Threads
17
Messages
30
Threads
17
Messages
30
Asp.net c# - Sending email with french characters in ToAddress
Jan 21, 2016
EQ Admin
Postfix
Support for postfix mail servers
Threads
25
Messages
74
Threads
25
Messages
74
Postfix - Virtual Alias Table Automated Population
Feb 24, 2022
postmanpat666
qmail
Support for qmail mail servers
Threads
102
Messages
271
Threads
102
Messages
271
O
Qmail does not forward emails with "=" in sender email address
May 6, 2019
Ove Halseth
Zimbra
Support for Zimbra mail servers
Threads
16
Messages
19
Threads
16
Messages
19
zimbra-core is missing
Jan 20, 2019
Latest Questions
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info about ip addresses 209.131.36.158 and 212.162.1.124
Angela
Sep 30, 2009
Replies
6
Views
15K
Apr 30, 2014
mia
M
5.7.0 SMTP; 503 5.7.0 encryption too weak 0 less than 128
EQ Admin
Sep 27, 2010
Replies
0
Views
14K
Sep 27, 2010
EQ Admin
What is the phone number for Amazon EC2 support?
EQ Admin
Nov 2, 2011
Replies
0
Views
14K
Nov 2, 2011
EQ Admin
S
POP3: Download latest emails
SajoSG
Dec 2, 2009
Replies
12
Views
14K
May 5, 2010
SajoSG
S
How to disable DNS_FROM_AHBL_RHSBL - RBL: Envelope sender listed in dnsbl.ahbl.org
EQ Admin
Jan 8, 2015
Replies
0
Views
14K
Jan 8, 2015
EQ Admin
How to disable Spamhaus and other RBL checks in SpamAssassin
EQ Admin
Oct 19, 2010
Replies
0
Views
13K
Oct 19, 2010
EQ Admin
B
Hotmail Not Accepting Emails From My Domain
bluefoxox
Nov 2, 2010
Replies
5
Views
13K
Apr 21, 2017
Livija
L
E
cpanel email problem - 110 Can't open SMTP stream
ebykwee
Dec 19, 2008
Replies
2
Views
12K
Jan 6, 2009
ebykwee
E
UCEPROTECTL1
EQ Admin
Sep 29, 2011
Replies
7
Views
12K
Dec 29, 2011
EQ Admin
DNS MX Record Priority Size Limits
EQ Admin
Oct 24, 2010
Replies
0
Views
12K
Oct 24, 2010
EQ Admin
J
Roundcube With Godaddy Server, Plugin Help
Johnnybravo
Mar 13, 2012
Replies
5
Views
12K
Mar 25, 2012
bburg
AOL Error - Sorry, I couldn’t find any host by that name / name or service not known
EQ Admin
Dec 22, 2010
Replies
0
Views
12K
Dec 22, 2010
EQ Admin
How to add an SPF record
Big Dan
Aug 19, 2008
Replies
6
Views
11K
Jun 3, 2015
EQ Admin
HELP...email error: 452.4.1...temporary failure
Nuts4Mutts
Mar 26, 2014
Replies
4
Views
11K
Mar 26, 2014
Nuts4Mutts
What is a Backup MX Mail Spooling Service?
EQ Admin
Nov 11, 2008
Replies
0
Views
11K
Nov 11, 2008
EQ Admin
SMTP error code # 0X800CCC6A
EQ Admin
Feb 7, 2012
Replies
0
Views
10K
Feb 7, 2012
EQ Admin
How do I configure my incoming mail server settings in Postini?
EQ Admin
Oct 24, 2010
Replies
0
Views
10K
Oct 24, 2010
EQ Admin
IMail Server Intro
KevinF
May 6, 2010
Replies
0
Views
10K
May 6, 2010
KevinF
Fake MX Records - Null MX Records
EQ Admin
Dec 11, 2010
Replies
3
Views
10K
Mar 1, 2011
EQ Admin
S
How can I test backup mail service without taking down my clients server?
scott
Jul 29, 2009
Replies
4
Views
10K
Jul 29, 2009
scott
S
Barracuda Rate Control
EQ Admin
Dec 16, 2008
Replies
2
Views
10K
Nov 25, 2012
EQ Admin
Infraware POLARIS Mobile Mailer v2.5
EQ Admin
Jan 30, 2014
Replies
0
Views
10K
Jan 30, 2014
EQ Admin
Remote host said: 550 5.1.1 recipient rejected 98.139.213.140 is in RBL [RCPT_TO]
EQ Admin
Nov 15, 2013
Replies
0
Views
10K
Nov 15, 2013
EQ Admin
554 Your access to this mail system has been rejected due to the sending MTA's poor reputation
Latest Questions
Oct 23, 2015
Replies
1
Views
10K
Oct 23, 2015
EQ Admin
What affects email deliverability more, DKIM signing or sender score?
EQ Admin
May 8, 2015
Replies
6
Views
9K
Dec 3, 2015
EQ Admin
What are the Postini outgoing mail server IP address ranges?
EQ Admin
Nov 5, 2010
Replies
0
Views
9K
Nov 5, 2010
EQ Admin
How to fix 421 4.7.1 DYN:T1 postmaster AOL error message
EQ Admin
May 25, 2013
Replies
0
Views
9K
May 25, 2013
EQ Admin
Emails never being received no bounce
xxkinetikxx
Jul 23, 2010
Replies
5
Views
9K
Aug 3, 2010
EQ Admin
rejected commands from x.x.x.x due to pre-greeting traffic
EQ Admin
Sep 26, 2013
Replies
0
Views
9K
Sep 26, 2013
EQ Admin
What do the numbers in SMTP error codes mean?
EQ Admin
Oct 24, 2010
Replies
0
Views
9K
Oct 24, 2010
EQ Admin
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