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On 10/15/2015 01:04 PM, walt wrote: |
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> My ISP recently started offering imap email service in addition to |
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> the pop3/smtp servers they've always had, so I decided to try it. |
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> |
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> I was surprised to see that they recommend using a different smtp |
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> server name when setting up my mail client, and they even offer the |
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> option of using port 587 instead of 465 if I prefer it. |
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> |
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> ... |
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> |
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> (The different server names actually resolve to the same IP address, so |
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> the distinction seems to be more theoretical than real, but the theory |
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> is what puzzles me.) |
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> |
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|
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Port 587 offers optional TLS security, and it uses an "SSL certificate" |
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just like a website. And just like a website, there's a name on the |
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certificate, and that name has to match what you type in the "SMTP |
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server" box, otherwise your mail client will throw a warning. |