Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [smtp-auth]

131 questions
2
votes
1 answer

Postfix SMTP auth not working with virtual mailboxes + SASL + Courier userdb

So I've read a variety of tutorials and how-to's and I'm struggling to make sense of how to get SMTP auth working with virtual mailboxes in Postfix. I used this Ubuntu tutorial to get set up. I'm using Courier-IMAP and POP3 for reading mail which…
Greg K
  • 169
  • 3
  • 12
2
votes
3 answers

proxy software to relay email

My some software applications need to relay emails to my email account. The only way they can do it via connecting to localhost which relays mail on behalf of application. I have forgotten the name of such a software it is a Debian/Ubuntu…
Registered User
  • 1,453
  • 5
  • 18
  • 37
2
votes
2 answers

issue using Postfix as authen SMTP client relay to Exchange 2010

I'm using postfix to relay mail to Exchange 2010. Here is my config: relayhost = [smtp.exchange.2010] smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/relay_passwd smtp_sasl_security_options = #smtp_sasl_mechanism_filter =…
Gk.
  • 708
  • 12
  • 20
2
votes
2 answers

what is the location of the log file for bugzilla on windows

We are using Bugzlla on windows. We set up the SMTP server configuration in the admin parameters. But Bugzilla is unable to send emails. It always reports "Could not authenticate user". How to know the details of the error? Everything we configured…
dotcoder
  • 115
  • 1
  • 5
2
votes
1 answer

ICMP "Port Unreachable" when sending email

Since several months I have sporadic problems when I send emails. With tcpdump I finally found out that I'm getting "Port unreachable" messages from what seems to be my email provider, according to the source IP. But my email provider says they…
bug.spencor
  • 61
  • 5
1
vote
1 answer

Configure smtp server ssl for different domains

I have a problem which I have been trying to solve for weeks but cannot find a working solution. I have a webserver with 5 different domains. I am using Outlook365 as mail server so no local email addresses are created. Because the PCI scan I need…
Walter
  • 11
  • 2
1
vote
1 answer

Can't telnet to Postfix SMTP server after adding smtpd_sasl_auth_enable option

I have the Postfix SMTP server installed on my CentOS 7 machine on port 25. To test that it's working, I connect to it using telnet, like this: # telnet localhost 25 and the result is: Trying ::1... Connected to localhost. Escape character is…
GetFree
  • 1,460
  • 7
  • 23
  • 37
1
vote
0 answers

Exchange 2013 SMTP AUTH "5.7.1 Client does not have permissions to send as this sender"

I'm having an issue sending email via SMTP AUTH on an Exchange server 2013, was hoping someone can give me some ideas on where else to check. I've had this working on other Exchange servers without any issues, but haven't been able to work out…
theogre
  • 11
  • 1
1
vote
1 answer

Server responded: 503 AUTH command used when not advertised\r\n?

I recently migrated from one server where my mail settings worked without a problem to a new server which now results in the following error: Server responded: 503 AUTH command used when not advertised\r\n. The full SMTP log is: 19:16:12 [MailBee…
Ross Hodgman
  • 31
  • 1
  • 2
1
vote
0 answers

Exchange Server SMTP Auth Login gets rejected

I have an Exchange 2010 Server that denies SMTP logins on a seperate receive connector for no clear reason. For a groupware I have to enable "auth login" on the receive connector. "Basic Authentication" and the "Exchange Users" groups are enabled on…
HannesS
  • 322
  • 5
  • 17
1
vote
1 answer

Setup policyd on Zimbra 8.8.x to rate limit the number of messages each account can send with smtp-auth

I'm running Zimbra 8.8.9 and I'm trying to rate limit the number of messages that a single user can send over smtp after authenticating with smtp-auth. The purpose is to limit the damage in case one of the passwords of my users is guessed/obtained…
Luca Gibelli
  • 2,611
  • 1
  • 21
  • 29
1
vote
1 answer

Trying to make submission (587) work - Exchange 2016

I'm trying to allow the authenticated relay (Client Frontend connector) to process requests from LAN and internet, but I'm struggling so far. First, I have linked this connector to my SSL wildcard certificate (so far so good, openssl starttls on 587…
Nemesis
  • 31
  • 3
1
vote
0 answers

Postfix: How to use reject_sender_login_mismatch when using MySQL virtual users?

I want to force senders to use an envelope sender address that's identical to the SASL login username. From the Postfix SASL README I see I should list, in the smtpd_sender_login_maps option, a hash table that has two identical columns and list all…
JCCyC
  • 670
  • 2
  • 13
  • 24
1
vote
1 answer

postfix: smtpd_sender_login_maps regex matches everything instead of only SASL

I want to prevent spoofing so I found this postfix option: smtpd_sender_login_maps (default: empty) Optional lookup table with the SASL login names that own the sender (MAIL FROM) addresses. ... Then I found this answer:…
Chazy Chaz
  • 329
  • 1
  • 5
  • 15
1
vote
0 answers

How to make nginx mail auth connection persistent?

We are using nginx 1.7.3 as a reverse proxy for our Mail SMTP service. For authentication of each SMTP connection, we have configured nginx to connect with a http based service for authentication. Here is a snippet of our nginx config: mail { #…
Prabhash Rathore
  • 111
  • 3
1 2
3
…
8 9