I'm receiving the error "HTTP Error 503. The service is unavailable." when loading webmail. I re-installed Windows Server 2012 R2 a couple days ago. The webmail was working fine before. The Application Pool MailEnableAppPool stops on IIS when loading http://webmail.fk-stores.com I've tried re-instal...

Every time I send an email from a classic ASP application I'm receiving the below entry on the SMTP Activity Log. Please confirm if the email is sent when receiving the "Queued mail for delivery" response? I am receiving the SMTP Server Response Code 250 although can not be certain if the email is a...

I never posted the actual AOL email on the forum since it's my customers. I've sent a message to the AOL email from another email provider and the email was sent.

Says on the AOL error-codes webpage 521 Recipient address rejected: This error indicates that the AOL member email address no longer exists or the address is misspelled. On the bounced email the sender and recipient is From: support@fk-wholesale.com To: hammond@aol.com The support@fk-wholesale.com e...

My emails bounce when sending to an AOL email address. I'm receiving the below error. Recipient: [SMTP:hammond@aol.com] Reason: 521 5.2.1 : AOL will not accept delivery of this message. Message contents follow: Received: from FraserPC ([87.74.68.65]) by fk-wholesale.com with MailEnable ESMTP; Tue, 1...

If there a chance I could blacklist genuine IP addresses when using, for example, the wildcard 1.2.*.*

Yes, I only receive emails from one remote mail server. What's a good value to use for "Drop a connection when the failed number of commands or recipients reaches"? I wrote a script what reads the SMTP log files and then writes the IPs with the error "504 Invalid Username or Password" to the access ...

I'm only sending emails using 1 mail server with 1 static IP. Would adding my static IP address in the SMTP "Access Control" list under the "Denied all - except those in the list" work? What about decreasing the value in the "Drop a connection when the failed number of commands or recipients reaches"?

I've been receiving large SMTP Activity logs on MailEnable. The size of the logs are nearly 1MB each day. A couple days ago 1 file was 10MB. A lot of IPs in the log are the same. There not sending emails from the mail server although it look like there trying to find the mail server's SMTP password....

The results still say there's no reverse DNS

I'm trying to create reverse DNS although I do not think it's setup properly. I've asked my ISP to create a PTR record. After running the below Reverse DNS tool with my static IP address this shows the reverse DNS is setup properly. http://mxtoolbox.com/SuperTool.aspx?action=smtp%3a217.37.202.249&ru...

I'm using mail enable on Windows Server 2008. Recently I changed from a static IP address to dynamic IP and using the DNSExit updater to update the IP address. If I send an email from a email domain on the mail server to say a yahoo email address the email will bounce and I'll receive the below erro...

Sometimes when I send an email I receive a Message Delivery Failure email with the error "Remote SMTP Server Returned: 554 This server requires PTR for unauthenticated connections". After searching this error message on the internet. A webpage mentioned to test the domain with http://www.mxtoolbox.c...

The problem has been resolved. There was a firewall issue. How can I tell how many emails had been sent on the activity log file?

I've noticed the SMTP logs are a 1000 times bigger than they were last week. Is there a way to disable the SMTP service without affecting the POP3 accounts?