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Mike B
  • Member for 12 years, 10 months
  • Last seen more than a week ago
7 votes

Is there a way to completely disable outbound opportunistic TLS support in SendMail?

5 votes

Connection to URL using OpenSSL client works, but curl fails

5 votes
Accepted

Benefits of using a subdomain for sending email?

4 votes
Accepted

Opportunistic TLS for incoming mail with masked SMTP banner

3 votes
Accepted

Load balancing SMTP in a way that doesn't hide the source IP address

3 votes

Why can't other computers access my web server on 127.0.0.1?

3 votes
Accepted

How to allow outbound traffic with UFW?

3 votes
Accepted

Sendmail messages rejected from Microsoft when using TLS

3 votes
Accepted

Mail has stopped working on Centos since instlling MailScanner

3 votes

SMTP session between 2 mail servers on the internet: Without authentication?

2 votes

bcc me when someone sends an email from my email address

2 votes
Accepted

Does sendmail support the BinaryMime ESMTP extension? If so, how can this be enabled?

2 votes
Accepted

How/Where To Set Sendmail Requeue Interval

2 votes
Accepted

554 Transaction Failed message on some messages only

2 votes
Accepted

Is there a way to change the string format for an existing CSR "Country Code" field from UTF8 to Printable String?

1 vote
Accepted

Is it possible to configure sendmail to require/use certain ciphers during TLS negotiation?

1 vote
Accepted

How soon after getting a 400-class SMTP error will SendMail try connecting to a backup MX record/host?

1 vote

Same domain only : smtp; 5.1.0 - Unknown address error 530-'SMTP authentication is required

1 vote

PTR OK, SPF, DKIM passed but email messages are marked as Spam by Google?

1 vote
Accepted

Can anyone tell me why an e-Mail with an attachment fails from one domain but not another?

1 vote
Accepted

Can't connect to SMTP server

1 vote
Accepted

Does Exchange 2010 impose a maximum length for individual headers? If so, what is it?

1 vote

Outlook 2007: User sends mail and recipient receives two copies. What could cause this?

1 vote

How to use sniffer to troubleshoot SMTP traffic?

1 vote

Setup sendmail to relay to another smtp?

1 vote
Accepted

Mounting CIFS filesystems: error -1 opening credential file

1 vote
Accepted

Is it a good idea to use virtualization for apache/php and Mysql servers?

1 vote
Accepted

IIS 7 with verisign certificate, invalid certificate returned

1 vote

How to convert a really big HTML file to PDF in Windows

1 vote
Accepted

When sending emails through smtp do I need to setup DomainKeys and any kind of other email config?