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AHernandez's avatar
AHernandez
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Oct 18, 2022

Irule to check if traffic SMTP is with authentication or not

I all, I'm very new here and I tryng to get help witt a new IRule that can get if the traffic SMTP it's with authentication or not. The Idea is: Option 1: if the SMTP traffic it's coming with auth...
devops
SMTP IRULE
AubreyKingF5's avatar
AubreyKingF5
Icon for Moderator rankModerator
Oct 18, 2022

Are you using port 587 for Auth SMTP traffic? If you have a single all-ports vip handling both, this is not the best idea. I'm taking a guess here. If that's the case, just do a port 25 VIP and a port 587 VIP for the same IP. Two different pools.

 

 

AHernandez's avatar
AHernandez
Icon for Altostratus rankAltostratus
Oct 19, 2022

AubreyKingF5  many thanks for your fast answer.

With your answer I have resolved one part of my problem:

1.-New servers and that's could accept SMTP AUTH: ✔️ OK

if the SMTP traffic it's coming with authentication---->send it to the Virtual Server (port 587)-->Pool-587 ✔️OK

2.-For legacy server:❓

if the SMTP traffic it's coming without authentication---->actually send it to the Virtual Server (port 25)-->Pool-25, this pool is a postfix server.

There are any way to avoid the postfix server? I mean, can I create some IRule on Virtual Server (port 25) that can resend the traffic to the Virtual Server (port 587), with the SMTP AUTH,  putting the authentication (user, login)?

If you need some flow chart in order to can explain my problem better I can attach it.

 

Thanks,

Andrés H.