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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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554 Sending address not accepted due to spam filter
EQ Admin
Oct 24, 2013
Replies
0
Views
16K
Oct 24, 2013
EQ Admin
554 Your access to this mail system has been rejected due to the sending MTA's
Latest Questions
Jan 19, 2019
Replies
0
Views
3K
Jan 19, 2019
Latest Questions
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
9K
Oct 23, 2015
EQ Admin
72.167.238.29 Remote host said: 552 5.2.0 IB212 msg rejected as spam
EQ Admin
Apr 18, 2014
Replies
0
Views
6K
Apr 18, 2014
EQ Admin
D
A cheap/free MTA for Windows with all bells and whistles
dshaynie2
Feb 23, 2011
Replies
1
Views
8K
Feb 26, 2011
EQ Admin
W
Account Blocked by Hotmail.. HELP... SOS
wongkionboon
Oct 28, 2012
Replies
0
Views
2K
Oct 28, 2012
wongkionboon
W
I
address rejected
idr
Jun 16, 2010
Replies
3
Views
4K
Jun 16, 2010
EQ Admin
E
Address shows as "invalid" in checker
eLIANT
May 31, 2022
Replies
0
Views
2K
May 31, 2022
eLIANT
E
Amazon AWS EC2 outgoing email blocked using Trend Micro oRBL+
EQ Admin
Feb 27, 2011
Replies
0
Views
5K
Feb 27, 2011
EQ Admin
Amazon EC2 SMTP Sending Email Limits
EQ Admin
Jul 12, 2010
Replies
1
Views
27K
Jul 12, 2010
EQ Admin
Amazon SES outgoing network IP ranges (X-SES-Outgoing)
EQ Admin
Oct 3, 2012
Replies
0
Views
6K
Oct 3, 2012
EQ Admin
Amazon Simple Email Service (SES) Registration
EQ Admin
Feb 18, 2011
Replies
5
Views
7K
Mar 10, 2012
EQ Admin
R
Any help would be greatly appreciated - Problem with emails being returned.
raymond949
Jun 5, 2014
Replies
3
Views
4K
Jun 5, 2014
raymond949
R
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
Apache SpamAssassin 3.3.0
EQ Admin
Jan 27, 2010
Replies
0
Views
3K
Jan 27, 2010
EQ Admin
asterisk based pbx can not send email
EQ Admin
Apr 15, 2012
Replies
0
Views
4K
Apr 15, 2012
EQ Admin
AT&T & Yahoo - Your customers are not receiving their email - 5.3.0 flph384 DNSBL RBL 521
EQ Admin
Jun 4, 2014
Replies
13
Views
36K
Apr 29, 2016
Mike Stroven
M
Authentication backend choice
ychaouche
Mar 22, 2016
Replies
2
Views
3K
May 9, 2017
ychaouche
Axigen Mail Server
jshollis
Jan 6, 2011
Replies
2
Views
7K
Jan 6, 2011
jshollis
BACKSCATTERER
EQ Admin
Sep 29, 2011
Replies
0
Views
2K
Sep 29, 2011
EQ Admin
Barracuda BRBL BBL Blacklist
EQ Admin
Feb 29, 2012
Replies
0
Views
4K
Feb 29, 2012
EQ Admin
Barracuda BRBL Whitelist
EQ Admin
Jan 23, 2009
Replies
0
Views
6K
Jan 23, 2009
EQ Admin
Barracuda Default Username and Password
EQ Admin
Nov 12, 2008
Replies
0
Views
32K
Nov 12, 2008
EQ Admin
Barracuda Rate Control
EQ Admin
Dec 16, 2008
Replies
2
Views
10K
Nov 25, 2012
EQ Admin
Barracuda Spam Firewall - 421 Error: too many messages in one session
EQ Admin
Feb 21, 2012
Replies
0
Views
22K
Feb 21, 2012
EQ Admin
R
Best email servers
radha
Jun 23, 2011
Replies
1
Views
3K
Jun 24, 2011
EQ Admin
P
blacklisted shared ip, mydomain
plunk
Mar 11, 2011
Replies
2
Views
4K
Mar 12, 2011
plunk
P
BODY: Message only has text/html MIME parts
EQ Admin
Nov 16, 2010
Replies
0
Views
23K
Nov 16, 2010
EQ Admin
T
Bounce-back email: SMTP not sending or Email Host not Receiving?
tony17112acst
Jan 27, 2017
Replies
0
Views
27K
Jan 27, 2017
tony17112acst
T
D
Bounced Emails get lost
dshaynie
Feb 10, 2011
Replies
4
Views
5K
Feb 23, 2011
KevinF
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