Gabriel Lai wrote:
Hi,I'm facing a weird problem where, when I try to telnet <hostname.domain.com.my> 25, it respond very slow, but when I telnet 110 port, it replies very fast. Internally and externally also same.I'm not sure what is happening. When I send an email, it will stayed in the Ms Outlook Outbox for ages, only it will be able to send out.
That's usually a DNS issue. It's usually because one of your blacklists is responding slowly. Have the clients use port 587 instead.
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