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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
40
Messages
103
Threads
40
Messages
103
Installation & Configuration of IMAPSync Tool on Linux for IMAP Email Migration
Dec 6, 2017
mfaisal678
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
popowich
Postfix
Support for postfix mail servers
Threads
24
Messages
73
Threads
24
Messages
73
Rejected emails
Oct 11, 2017
ychaouche
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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Why did outbound email from my EC2 break?
popowich
Dec 18, 2020
Replies
0
Views
385
Dec 18, 2020
popowich
mail in a box -- server for Ubu 18.4 LTS - super easy install
qqqqq
Sep 17, 2019
Replies
1
Views
2K
Sep 18, 2019
popowich
DKIM
Latest Questions
Feb 14, 2019
Replies
0
Views
1K
Feb 14, 2019
Latest Questions
554 Your access to this mail system has been rejected due to the sending MTA's
Latest Questions
Jan 19, 2019
Replies
0
Views
771
Jan 19, 2019
Latest Questions
S
How to forward the responded mail without including response in it?
Shirley Scott
Jun 8, 2018
Replies
1
Views
2K
Jun 10, 2018
janusz
J
Refuse weak passwords
ychaouche
May 22, 2018
Replies
2
Views
1K
May 29, 2018
ychaouche
Why is my DKIM signature invalid? (The p= field must be base64 encoded)
popowich
May 8, 2015
Replies
3
Views
14K
Nov 30, 2017
popowich
How does maildrop know where to deliver the email ?
ychaouche
Mar 30, 2016
Replies
1
Views
2K
Oct 9, 2017
ychaouche
Mail send problem
BRULE Herman
Jul 1, 2016
Replies
2
Views
2K
May 12, 2017
popowich
The "everybody" alias
ychaouche
May 9, 2017
Replies
2
Views
1K
May 9, 2017
ychaouche
Authentication backend choice
ychaouche
Mar 22, 2016
Replies
2
Views
2K
May 9, 2017
ychaouche
B
Hotmail Not Accepting Emails From My Domain
bluefoxox
Nov 2, 2010
Replies
5
Views
10K
Apr 21, 2017
Livija
L
D
Not recieving mail after server migration!?
Danman335
Mar 28, 2017
Replies
1
Views
2K
Mar 28, 2017
popowich
A
SpamAssasin - make a rule that adds a score EVERY occurance?
Andy Newby
Mar 8, 2017
Replies
6
Views
3K
Mar 9, 2017
Andy Newby
A
A
Enabling SpamAssasin checks for SpamHaus. How to?
Andy Newby
Feb 21, 2017
Replies
5
Views
3K
Mar 2, 2017
Andy Newby
A
T
Bounce-back email: SMTP not sending or Email Host not Receiving?
tony17112acst
Jan 27, 2017
Replies
0
Views
2K
Jan 27, 2017
tony17112acst
T
K
cableone - google vs synacor vs my own mail server
Kram
Jun 15, 2016
Replies
3
Views
3K
Jun 15, 2016
Kram
K
T
Multiple Mail Services
TWP Eagle
May 31, 2016
Replies
1
Views
2K
Jun 1, 2016
popowich
C
No way to prevent backscatter in cPanel/WHM
Chuckee
May 6, 2016
Replies
0
Views
3K
May 6, 2016
Chuckee
C
AT&T & Yahoo - Your customers are not receiving their email - 5.3.0 flph384 DNSBL RBL 521
popowich
Jun 4, 2014
Replies
13
Views
31K
Apr 29, 2016
Mike Stroven
M
B
Problems sending from my email account (GoDaddy hosted) to hotmail/outlook.com
Benjamin Sharp
Mar 1, 2016
Replies
19
Views
16K
Apr 18, 2016
BrienneofTarth
T
im having problems setting up a smtp server
the777
Apr 8, 2016
Replies
2
Views
2K
Apr 15, 2016
popowich
Roundcube SMTP authentication problem
ychaouche
Mar 29, 2016
Replies
2
Views
3K
Mar 29, 2016
unlocktheinbox
The benefits of using mysql as a backend
ychaouche
Mar 22, 2016
Replies
1
Views
2K
Mar 22, 2016
popowich
List of email feedback loops
popowich
Feb 14, 2016
Replies
1
Views
2K
Feb 15, 2016
unlocktheinbox
DMARC Wizard
Latest Questions
Jun 22, 2015
Replies
2
Views
2K
Feb 15, 2016
unlocktheinbox
553 5.3.0 flph384 DNSBL:RBL 521
Latest Questions
Dec 28, 2015
Replies
0
Views
2K
Dec 28, 2015
Latest Questions
status=deferred (connect to alt2.gmail-smtp-in.l.google.com[2404:6800:4003:c01::1b]:25: Connection t
Latest Questions
Dec 14, 2015
Replies
1
Views
2K
Dec 15, 2015
popowich
What affects email deliverability more, DKIM signing or sender score?
popowich
May 8, 2015
Replies
6
Views
6K
Dec 3, 2015
popowich
IP Reputation Clean up -- ?
Big Dan
Oct 3, 2015
Replies
4
Views
3K
Oct 26, 2015
Big Dan
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